Video credit: CRATER. Original video: https://www.youtube.com/watch?v=ApkT3xqvv78. This is our independent parts analysis and is not affiliated with the video creator. As an Amazon Associate, CustomPCGaming earns from qualifying purchases. Product prices shown in the video may have changed.
Watch the build
Parts in this build
- Intel Core Ultra 7 265K
- NVIDIA GeForce RTX 5090
- ASUS ROG STRIX Z890-A Gaming WiFi
- G.Skill Trident Z5 Neo 64GB DDR5 6000
- Crucial T705 2TB Gen5
- Corsair HX1200i
- Hyte Y70
- Arctic Liquid Freezer III 360
Parts list is our summary of the video for reference. Confirm current specs and price on the retailer page before buying.
Watch: The Build Video
This is our independent parts analysis and is not affiliated with the video creator. As an Amazon Associate, CustomPCGaming earns from qualifying purchases. Product prices shown in the video may have changed.
The video shows a build in this class, a high end system aimed at 4K and high refresh 1440p, so you can see the scale, airflow layout and cable routing you should expect at this level, even though our specific parts list below is different.
What This Build Is
This rtx 5090 4k gaming pc build breakdown step by step parts list focuses on a high class system built around the Intel Core Ultra 7 265K and NVIDIA GeForce RTX 5090. You get a platform that targets 4K and high refresh 1440p, where the processor is chosen so it does not hold the graphics card back at your target resolution.
At this level, most builders keep the board and cooler practical and put the budget into the CPU and graphics card. That is the approach here. You get a Z890 board with strong power delivery and the I/O you will actually use, a 360mm liquid cooler that keeps the CPU in its normal boost range, and fast DDR5 and Gen5 storage to keep load times and multitasking responsive.
You should think of this as a balanced high end foundation rather than a showcase build. The Hyte Y70 gives you panoramic glass, a dual chamber layout and room for large radiators and long graphics cards, while the Corsair HX1200i gives you ATX 3.1 and PCIe 5.1 support with headroom above the combined draw of the CPU and GPU. That headroom matters for transient spikes and for keeping fan noise low under load.
Tradeoffs are still present. This configuration prioritizes graphics power and platform stability over extras like additional storage or premium board features you may not use. If you stream, create content or run heavy background tasks, the 64GB DDR5 6000 kit helps, but if you only play competitive titles at 1440p you could consider a leaner memory or storage choice. If you want a quieter living room system, you will want to plan fan curves and case placement carefully, since a 5090 class card and a large radiator need airflow and clearance.
In September 2026 this parts mix reflects current platform realities for Intel LGA1851 and RTX 50 series cards, with native 12V-2×6 power and DDR5 tuning that is well supported on Z890. You get headroom to upgrade later without replacing the core platform, which is the main reason to choose this balanced approach over a more expensive board or a smaller power supply.
Parts Breakdown
This is the core of our analysis. Below you will find the buyable parts we evaluated for this build, followed by a table that maps what is common at this level to our 2026 picks and why.
This article contains affiliate links. If you buy through one of our links, CustomPCGaming may earn a commission at no extra cost to you. Commissions never influence which products we recommend or how we rank them. Read our Affiliate Disclosure for details.
Quick Picks at a Glance
HYTE Y70 Snow White Gaming PC Case
Crucial T705 2TB PCIe Gen5 NVMe SSD
Prime G.SKILL Trident Z5 Neo RGB 64GB DDR5 6000 CL30 Kit
CORSAIR HX1200i (2025) 1200W 80 PLUS Platinum
ASUS ROG Strix Z890-E Gaming WiFi Motherboard
ASUS ROG Astral GeForce RTX 5090 OC 32GB GDDR7
Prime ARCTIC Liquid Freezer III Pro 360 AIO CPU Cooler
Intel Core Ultra 7 265K Tray Processor 5.5 GHz LGA
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
Pros
- Stunning panoramic glass design perfect for showcasing high-end builds
- Excellent cooling flexibility with 10-fan capacity and dual 360mm radiator support
- Thoughtful build experience with included PCIe 4.0 riser and excellent cable management
- Sturdy, premium materials with tool-less access and easy maintenance
Cons
- Large 18.5-inch cube footprint requires substantial desk or floor space
- Heavy at 24.3 pounds and all-glass panels need careful handling during moves
- Vertical GPU layout limits traditional horizontal mounting options
The HYTE Y70 is an ATX mid-tower dual-chamber case designed for gamers and enthusiasts who want their hardware on full display. With its Snow White finish and panoramic glass, it is built for showcase builds, custom loops and high-end components that deserve to be seen.
Performance is where the Y70 truly shines, offering cold floor cooling for direct GPU airflow and room for up to 10 fans. It supports a 360mm radiator up to 125mm thick on the side and another 360mm up to 68mm thick on top, giving air and water cooling builders massive headroom for overclocking and quiet operation.
Build quality feels premium throughout, from the precisely fitted 3-piece tempered glass to the metal chassis and clicky blue power button. The dual-chamber design hides cables beautifully with molded rubber grommets, routing channels and Velcro straps, while tool-less panels and rear-eject storage sleds make assembly and upgrades simple.
The size is the main tradeoff, as the wide, tall footprint demands more space than a standard mid-tower. The all-glass exterior also needs extra care to avoid fingerprints and requires gentle handling, and builders wanting a traditional horizontal GPU will need to embrace the vertical showcase layout.
Overall, the Y70 delivers a luxury building experience with showstopping looks and serious thermal capability. If you want a modern aesthetic case that celebrates your components while handling flagship GPUs and extensive cooling, it is an outstanding choice.
Model: HYTE Y70 CS-HYTE-Y70-WW, Snow White, Dual Chamber ATX Mid-Tower
Compatibility: ATX, mATX, ITX, EATX motherboards, 4-slot vertical GPU, bottom mount PSU, 7 expansion slots
Cooling Support: Up to 10 fans, cold floor cooling for 3x 120mm or 2x 140mm, side 360mm radiator up to 125mm thick, top 360mm radiator up to 68mm thick, rear fan mount
Storage: 4 internal bays, supports 2x 3.5 inch HDD or 4x 2.5 inch SSD with floating sleds
Dimensions and Material: 18.5 x 12.5 x 18.5 inches, 24.3 pounds, metal and tempered glass, 4x USB ports
Choose the Y70 if you want a showpiece case to display a flagship GPU, RGB lighting or a custom water loop. It is perfect for enthusiasts who value aesthetics as much as airflow and want generous room for large components and thick radiators.
Consider other options if you need a compact case for a small desk or frequent transport. Its large cube form and glass panels are best suited to a dedicated gaming space where it can be showcased safely.
Pro Tip: Plan your fan and radiator layout early to take full advantage of the cold floor cooling. Adding fans below the GPU provides direct fresh air that noticeably improves GPU temperatures in demanding games.
Pros
- Class leading PCIe 5.0 performance for boot times, game loads and large file transfers
- Large 2TB capacity ideal for gaming libraries and content creation workflows
- Reliable Micron TLC NAND with hardware encryption and 5-year warranty
- Includes Acronis cloning software and Adobe Creative Cloud for easy setup and creation
Cons
- Runs very hot under sustained loads and requires a motherboard or aftermarket heatsink with good airflow
- Requires a Gen5 M.2 slot to reach full advertised speeds, limited benefit on Gen4 systems
- Premium cost compared to PCIe 4.0 drives and no heatsink included in the box
The Crucial T705 2TB is a flagship PCIe Gen5 NVMe M.2 SSD built for hardcore gamers, enthusiasts and creative professionals who demand the fastest storage available. Designed for Intel 13th and 14th Gen and AMD Ryzen 7000 platforms, it is made to eliminate bottlenecks in high end gaming and workstation builds.
In real world use, it delivers blistering sequential reads up to 14,500MB/s and writes up to 12,700MB/s for near instant boot times and game loads. Microsoft DirectStorage optimization reduces latency and CPU overhead, while the generous 2TB capacity easily handles AAA games, 8K video and large creative projects.
Built with Micron 232-layer TLC NAND in a standard M.2 2280 form factor, the drive reflects Crucials trusted quality and reliability. It includes hardware encryption, Acronis True Image for easy cloning and a one month Adobe Creative Cloud All Apps subscription, all backed by a 5-year limited warranty.
The main drawback is heat, as this Gen5 drive runs extremely hot under sustained loads and requires a quality heatsink with strong airflow to avoid thermal throttling. You also need a Gen5 M.2 slot to unlock its full speed, and it carries a premium over PCIe 4.0 alternatives.
Overall, the Crucial T705 is one of the fastest consumer SSDs you can buy and an excellent choice for future proofing a top tier PC. If you have proper cooling and a compatible system, it delivers elite performance that is ideal for competitive gaming, 3D rendering and demanding content creation.
Performance: Up to 14,500MB/s read, 12,700MB/s write, PCIe Gen5 NVMe, Micron 232-layer TLC NAND, 2GB cache
Capacity & Form Factor: 2TB, M.2 2280, 3.15 x 0.87 x 0.15 inches, 9.9g, Black
Compatibility: Intel 13th/14th Gen, AMD Ryzen 7000, Desktop, Workstation, PS5, Xbox Series X/S via M.2 Gen5 slot
Features: Hardware encryption, Microsoft DirectStorage support, heatsink compatible design, requires airflow
Bundle & Warranty: Acronis True Image, Crucial Storage Executive, one month Adobe Creative Cloud All Apps, 5-year limited warranty, Model CT2000T705SSD3
Pros
- Excellent 6000MT/s CL30 performance, the recognized sweet spot for AMD AM5
- High 64GB capacity in a matched 2x32GB kit for future proofing
- Stunning Trident Z5 Neo RGB design with efficient heat dissipation
- Easy EXPO setup and broad AMD motherboard QVL validation
- Limited lifetime manufacturer warranty
Cons
- Requires enabling EXPO in BIOS to reach rated 6000MT/s, defaults to lower JEDEC speed otherwise
- Relatively high 1.40V EXPO voltage runs warmer than lower voltage kits
- Designed for AMD EXPO, Intel users should choose an XMP variant for best compatibility
The G.SKILL Trident Z5 Neo RGB F5-6000J3040G32GX2-TZ5NR is a 64GB DDR5 kit built specifically for AMD AM5 platforms, delivering two matched 32GB modules rated at DDR5-6000. It is designed for gamers, content creators and power users who need high capacity without sacrificing speed on Ryzen 7000 and 9000 systems.
In real world use, DDR5-6000 at CL30-40-40-96 is widely considered the sweet spot for AMD Zen 4 and Zen 5, offering excellent gaming frame rates and low latency. With AMD EXPO enabled in BIOS, the kit hits its rated speed with one click, while the default JEDEC profile ensures reliable booting on any compatible board.
Build quality is premium, with a matte black brushed aluminum heatspreader that dissipates heat efficiently and looks sharp in any build. The integrated RGB bar is bright, fully customizable through motherboard software, and adds flair without being overly bulky for most air coolers.
There are a few caveats to consider. The 1.40V EXPO voltage is higher than many DDR5 kits and reaching the rated speed depends heavily on your CPU and motherboard silicon quality. It is also AMD EXPO focused, so Intel users should choose a Trident Z5 RGB XMP variant for guaranteed compatibility.
Overall, this is a top tier DDR5 kit for AMD enthusiasts who want 64GB of fast, low latency memory with headroom for multitasking and future games. If you are building a high end AM5 gaming or workstation PC and want plug and play EXPO performance with standout looks, this kit is an excellent investment.
Model: F5-6000J3040G32GX2-TZ5NR | Trident Z5 Neo RGB Series | 64GB (2x32GB) DDR5 U-DIMM, 288-pin, Non-ECC
Speed & Timings: Up to 6000MT/s (DDR5-6000) at CL30-40-40-96, 1.40V via AMD EXPO profile. JEDEC default profile for standard boot compatibility.
Compatibility: Validated for AMD X870, X670, B850, B840 and B650 platforms. Check G.SKILL QVL or RAM Configurator for your motherboard.
Features: Matte black aluminum heatspreader, customizable RGB lighting, Intel/AMD desktop compatible form factor. Limited Lifetime Manufacturer Warranty.
To get the rated 6000MT/s, you must enable the AMD EXPO profile in your motherboard BIOS, as the kit will boot at JEDEC default speed otherwise. Enabling EXPO is considered overclocking and stability depends on your CPU memory controller and motherboard.
Do not mix this kit with other memory kits, even of the same model, as mixing can cause stability issues or boot failure. Always install matched kits as sold.
For best results, use a motherboard from the G.SKILL QVL list and update to the latest BIOS before enabling EXPO. Refer to G.SKILL's website for the most current validated configurations.
Pros
- Exceptionally quiet operation, fan often stays off under normal loads
- Rock solid, stable power delivery that handles transient GPU spikes with ease
- Premium build quality with Japanese capacitors and durable FDB fan
- Fully modular with generous cable selection including dual 12V-2x6 connectors
- iCUE digital platform allows detailed monitoring and control
Cons
- Higher cost than Gold rated or lower wattage alternatives
- 1200W capacity is overkill for mid range or budget builds
- Large chassis and full cable kit can be tight to manage in compact cases
The CORSAIR HX1200i (2025) is a premium 1200 watt fully modular power supply built for enthusiasts running demanding gaming rigs and workstation PCs. It is designed for users planning high end builds with modern GPUs that require ATX 3.1 and PCIe 5.1 compliance and headroom for overclocking.
In real world use it delivers exceptionally stable power with 80 PLUS Platinum efficiency, handling transient spikes from next gen graphics cards without issue. Reviewers consistently highlight near silent operation, with the 140mm fluid dynamic bearing fan staying off at low to medium loads and remaining quiet even under heavy gaming sessions.
Build quality is a clear strength, featuring Japanese 105C rated capacitors, flexible extra long cables and a fully digital platform. The fully modular layout simplifies cable management in full tower cases, and the included native 12V-2x6 cables make RTX 40 and 50 series installations clean and reliable.
There are a few tradeoffs to consider. The 1200 watt capacity and platinum efficiency come at a premium over lower wattage units, and the physical size plus extensive cable bundle can be challenging in compact cases. Advanced features like custom fan curves and power monitoring also require Corsair iCUE software.
Overall the HX1200i is a top tier choice you install and forget, offering quiet, efficient and future proof power. If you are building a high end system and want long term reliability backed by a ten year warranty, it is one of the best 1200W options available.
Power Output: 1200 watts, 80 PLUS Platinum efficiency, ATX 3.1 and PCIe 5.1 compliant with native 12V-2x6 support for modern GPUs.
Design: Fully modular ATX form factor, 7.87 x 5.91 x 3.39 inches, 5.3 pounds, single 140mm Fluid Dynamic Bearing fan with Zero RPM mode.
Platform: Fully digital with CORSAIR iCUE software for fan control and power monitoring, switchable single to multi rail OCP, Modern Standby support.
Components and Warranty: Japanese 105C rated electrolytic capacitors, air cooling, 100 to 264V input, 10 year manufacturer warranty.
Pros
- Powerful AI features simplify overclocking, cooling and networking automatically
- Excellent future proof connectivity with WiFi 7, Thunderbolt 4 and seven M.2 slots
- Premium power design ensures stable performance for gaming and heavy workloads
- Advanced DDR5 tuning tools make memory optimization easy even for beginners
- Strong build quality and thermal design from the ROG Strix lineup
Cons
- ATX form factor requires a mid or full tower case, not ideal for compact builds
- DDR5 only, so DDR4 memory is not compatible and requires new RAM
- Limited to Intel Core Ultra Series 2 CPUs on the new LGA 1851 socket
The ASUS ROG Strix Z890-E Gaming WiFi is a high end ATX motherboard designed for Intel Core Ultra Series 2 processors on the LGA 1851 socket. It is built for gamers, content creators and enthusiasts who want an AI ready platform with serious overclocking and future proof expansion.
In real world use, its exclusive AI suite including NPU Boost, AI Overclocking, AI Cooling II and AI Networking II delivers noticeable gains in responsiveness and stability. Combined with DDR5 optimization via DIMM Fit, DIMM Flex and AEMP III, plus WiFi 7 and Thunderbolt 4, it handles demanding gaming, streaming and AI workloads with ease.
Build quality is pure ROG Strix, featuring a robust 18+2+1+2 power stage design with 110A and 90A stages, ProCool II connectors, MicroFine alloy chokes and premium metallic capacitors. The layout is clean and well spaced, offering seven M.2 slots, ample USB Type-C connectivity and efficient thermal armor for sustained performance.
There are a few tradeoffs to consider. As a Z890 ATX board it is large and packed with features that casual users may not fully utilize. It also requires DDR5 memory and is limited to the new LGA 1851 platform, so builders will need compatible RAM and a Core Ultra Series 2 CPU.
Overall, the ROG Strix Z890-E Gaming WiFi is an excellent choice for anyone building a powerful, AI capable Intel system that will stay relevant for years. If you want top tier connectivity, intelligent tuning and rock solid power delivery in a premium gaming motherboard, this one is easy to recommend.
Brand and Model: ASUS ROG Strix Z890-E Gaming WiFi, ATX Form Factor
Socket and Chipset: LGA 1851 for Intel Core Ultra Processors Series 2, Intel Z890
Memory Support: DDR5 with DIMM Fit, DIMM Flex and AEMP III, Platform: Windows 11
Power Design: 18(110A) + 2(90A) + 1(90A) + 2(80A) stages, ProCool II connectors, MicroFine alloy chokes
Connectivity and Expansion: WiFi 7, Thunderbolt 4, USB Type-C, 7x M.2 slots
Choose this motherboard if you are building a new high performance Intel system with a Core Ultra Series 2 CPU and want AI assisted tuning. It is perfect for gamers and creators who need WiFi 7, Thunderbolt 4 and multiple fast SSDs.
It is also ideal for overclockers and enthusiasts who value a strong power delivery and automated optimization. If you prefer a compact build, want to reuse DDR4, or need a budget board, consider a smaller or more basic option.
Pros
- Best in class performance for 4K, 8K and heavy ray tracing workloads
- Advanced quad-fan vapor chamber cooling stays surprisingly quiet under load
- Premium and rigid full metal construction with GPU Guard technology
- Future proof 32GB GDDR7 memory for gaming and professional workloads
- DLSS 4 and high boost clocks enable smooth ultra settings and streaming
Cons
- Enormous 14.1 inch, 3.8 slot, 6.6 pound design requires a full tower E-ATX case
- Extreme 600W power draw requires a 1200W PSU and careful clearance planning
- Complete overkill and poor value for casual or 1080p gamers
The ASUS ROG Astral GeForce RTX 5090 OC Edition is NVIDIA's flagship Blackwell GPU built for enthusiasts who demand absolute performance. With 32GB of GDDR7 memory and a 2610MHz boost clock, it is designed for extreme 4K and 8K gaming, sim rigs and heavy creative workloads, not casual play.
In real world use, it handles ultra settings, full ray tracing and high quality streaming without compromise. DLSS 4 boosts frame rates while the quad-fan system with patented vapor chamber and phase-change thermal pad keeps temperatures low and noise surprisingly controlled even under sustained loads.
Build quality is exceptional, with a full metal die-cast shroud, frame, backplate and rear I/O bracket that adds rigidity to the massive 14.1 inch card. GPU Guard secures all four corners of the GPU, while 80A MOSFETs and a protective PCB coating ensure stability, overclocking headroom and long term durability.
The tradeoffs are significant. At 3.8 slots wide and 6.6 pounds, it needs a full tower E-ATX case and strong GPU support, and its 600W draw means a 1200W power supply is mandatory. It is also far more power and cost than most gamers will ever need.
Verdict: If you run a triple 1440p sim setup, create high resolution content or want the best gaming GPU available today, the ROG Astral RTX 5090 is unmatched. For everyone else, it is impressive but intentionally overkill.
GPU: NVIDIA GeForce RTX 5090, Blackwell architecture, 2610MHz boost clock in OC mode
Memory: 32GB GDDR7 with DisplayPort 2.1a x3 and HDMI 2.1b x2, max resolution 7680x4320
Cooling: Quad Axial-tech fans, patented vapor chamber, phase-change thermal pad, 3.8 slot heatsink
Build: Full metal die-cast shroud and backplate, GPU Guard, 80A MOSFETs, PCI-Express x16 interface
Dimensions: 14.1 inches long, 5.9 inches wide, 3.8 slots, 6.6 pounds, includes ROG graphics card holder
Pros
- Excellent thermal performance for overclocking and high TDP CPUs
- Quieter than previous P12 fans, especially at low to medium speeds
- VRM fan and contact frame add real value beyond standard AIOs
- Clean installation with single visible cable and 6 year manufacturer warranty
Cons
- 360mm radiator requires a large case with dedicated 360mm support
- Heavy 2020g unit can be tricky for first time builders to install
- No RGB lighting or aesthetic options for users who want visual customization
The ARCTIC Liquid Freezer III Pro 360 is a premium 360mm all in one liquid cooler designed for enthusiasts, gamers and creators pushing modern Intel and AMD CPUs. It is purpose built for users who need maximum thermal headroom without excess noise, especially in overclocked or high performance desktop builds.
Standout features translate directly to real world gains. The triple P12 Pro fans push up to 77 CFM at 3000 RPM while staying quieter at low speeds, and native offset mounting aligns the cold plate with the CPU hotspot for more efficient heat transfer. The integrated PWM VRM fan is a rare bonus that helps keep motherboard power delivery cool during long gaming or rendering sessions.
Design and build quality are a clear strength. The radiator and block use a durable mix of metal, plastic and rubber, and integrated cable management routes all fan PWM cables through the hose sheathing. The result is a clean look with only a single cable to the motherboard, plus an included contact frame for LGA1851 and LGA1700 that improves pressure distribution.
There are some tradeoffs to consider. The large 15.7 inch radiator and 2kg weight demand a spacious case and careful mounting, so compact builds are not compatible. Users looking for RGB lighting or extensive software control will also find the design focused purely on performance and simplicity.
Overall, the Liquid Freezer III Pro 360 delivers class leading cooling efficiency, quiet operation and thoughtful extras that justify its best seller status. For anyone building a powerful, reliable system where thermal performance and longevity matter more than lighting effects, it is an outstanding value and a highly recommended choice.
Model: ARCTIC Liquid Freezer III Pro 360 (ACFRE00180A) - 3 x 120mm AIO
Compatibility: Intel LGA1851, LGA1700 with included Contact Frame, AMD with native offset mounting, Desktop systems
Fans: 3x ARCTIC P12 Pro, up to 3000 RPM, 77 CFM airflow, PWM control
Special Features: Integrated PWM VRM fan, offset cold plate design, integrated cable management with single cable
Material and Dimensions: Metal, Plastic, Rubber, 15.7 x 4.7 x 2.9 inches, Weight 2020g
Power: 4-Pin connector, 12V, 3.96W
Warranty: 6 years manufacturer warranty
Pros
- High 5.5 GHz boost clock for excellent single and multi threaded performance
- Modern LGA 1851 platform supports DDR5 and PCIe 5.0
- Efficient hybrid core design great for gaming and demanding multitasking
- Tray option offers flexibility for custom builders who already have cooling
Cons
- Tray version does not include a stock cooler or retail boxed warranty in some regions
- Requires a new LGA 1851 motherboard, not compatible with LGA 1700 or LGA 1200
- Needs a capable aftermarket cooler to manage heat at full boost
The Intel Core Ultra 7 265K Tray is a high performance desktop CPU built on Intel's Arrow Lake architecture with the new LGA 1851 socket. It is aimed at gamers, creators and enthusiasts building a new Windows PC who want flagship level speed without moving to a Core Ultra 9.
In real world use, the 5.5 GHz turbo frequency provides snappy responsiveness for gaming, video editing and heavy multitasking. The hybrid core design efficiently handles background tasks while prioritizing performance cores for demanding apps, and the new platform enables faster DDR5 memory and PCIe 5.0 storage.
As a tray processor it ships as the CPU only without retail box or included cooler, which suits custom builds. Build quality reflects Intel's latest process with improved power management and thermal control compared to previous generations.
Drawbacks center on platform cost and cooling. You will need a compatible LGA 1851 motherboard and a quality aftermarket cooler, and tray CPUs can have different warranty terms than boxed retail models. It also cannot be used with older Intel sockets.
Overall, the Core Ultra 7 265K is a compelling choice for anyone starting a new build and wanting strong, future ready performance. If you value high frame rates, smooth creation workflows and a modern upgrade path, it hits a sweet spot between power and value.
Processor Series: Intel Core Ultra 7, Model: 265K, Model Number: AT8076806412, Manufacturer Part: AT8076806412
Socket: FCLGA1851 / LGA 1851, Architecture: 64-Bit, Platform: Windows, CPU Manufacturer: Intel
Max Turbo Frequency: 5.5 GHz, Package: Tray (CPU only, no cooler or retail box included), GTIN: 08592978576486
Compatibility: Requires LGA 1851 motherboard with DDR5 and PCIe 5.0 support, cooler sold separately.
| Part | Common at this level | Our 2026 pick | Why |
|---|---|---|---|
| CPU | a cpu in the same class | Intel Core Ultra 7 265K | a current platform match for this GPU tier so the processor does not hold it back |
| GPU | a gpu in the same class | NVIDIA GeForce RTX 5090 | the class of card this build is planned around |
| Motherboard | a motherboard in the same class | ASUS ROG STRIX Z890-A Gaming WiFi | a board with a proven VRM and the I/O this build needs, without paying for features it will not use |
| Memory | a memory in the same class | G.Skill Trident Z5 Neo 64GB DDR5 6000 | the tuned capacity and speed sweet spot for this platform |
| SSD | a ssd in the same class | Crucial T705 2TB Gen5 | responsive storage sized for a modern game library |
| Power Supply | a power supply in the same class | Corsair HX1200i | a modern ATX 3.1 unit with headroom above the combined draw of the CPU and GPU |
| Case | a case in the same class | Hyte Y70 | good stock airflow and clearance for the cooler and graphics card in this build |
| CPU Cooler | a cpu cooler in the same class | Arctic Liquid Freezer III 360 | quiet, capable cooling that keeps this CPU in its normal boost range |
The NVIDIA GeForce RTX 5090 is the part this build is planned around. In our evaluation, the ASUS ROG Astral GeForce RTX 5090 32GB GDDR7 OC represents this class with its 32GB GDDR7, quad fan cooler, patented vapor chamber and 3.8 slot heatsink. Per the spec sheet it lists an OC mode boost of 2610 MHz and a default boost of 2580 MHz, a length of 357.6mm and a weight of 6.6 lbs, so you need to confirm case clearance and slot spacing before you buy.
The Intel Core Ultra 7 265K at up to 5.5 GHz on LGA1851 is chosen as a current platform match so the processor does not hold the card back at 4K and high refresh 1440p. We paired it with the ASUS ROG STRIX Z890-A Gaming WiFi, which per the spec sheet offers an 18+2+1+2 power stage design, DDR5 support, WiFi 7, seven M.2 slots and Thunderbolt 4, giving you proven VRM and I/O without paying for features you will not use.
Memory and storage complete the platform balance. The G.SKILL Trident Z5 Neo RGB Series DDR5 RAM kit is a 64GB (2x32GB) DDR5 6000 CL30-40-40-96 at 1.40V kit that hits the tuned sweet spot for this platform, while the Crucial T705 PCIe Gen5 NVMe 2TB SSD delivers up to 14,500MB/s read and 12,700MB/s write per the spec sheet, which helps with boot times, game loads and large asset transfers.
Compatibility Check
Will these parts fit together and run without clearance or power issues? That is the first question you should answer before you order, and this build needs attention to socket, memory, cooler mounting, graphics card size and power connectors.
This build is Intel LGA1851 (Core Ultra Series 2). Use a 32GB DDR5 6000 kit on the memory QVL, confirm cooler support for the socket, and size the supply above the combined CPU and GPU draw with a native 12V-2×6 cable for an RTX 50 card. The ASUS ROG Strix Z890-E Gaming WiFi Intel Z890 LGA board in our data is built for Core Ultra Series 2, and Z890 is the current pairing for the Core Ultra 7 265K. Check the board revision and BIOS version with the retailer, BIOS updates are done at your own risk and may affect warranty, so follow the manufacturer instructions and use anti static handling.
For memory, the G.SKILL Trident Z5 Neo kit is rated for DDR5 6000 and lists support for AMD EXPO with JEDEC fallback, and the product notes advise checking the G.SKILL QVL or configurator for validated boards. On Z890 you will run it via the board memory support, so confirm the exact kit model F5-6000J3040G32GX2-TZ5NR is on the ASUS QVL for the Z890-A or Z890-E at 6000MT/s. Do not mix kits, run the matched pair in the recommended slots, and enable the profile in BIOS only if it is validated for your board. Overclocking is done at your own risk and may void warranty.
Graphics card and case clearance need careful measurement. The ASUS ROG Astral GeForce RTX 5090 32GB GDDR7 OC is 357.6mm long and 3.8 slots wide, so you need a case that supports that length and width plus the PCIe 4.0 riser layout if you use vertical mounting. The Hyte Y70 Modern Aesthetic Gaming PC Case supports up to a 360mm radiator on the side with up to 125mm thickness and an adjustable top with up to 68mm thickness, plus room for either three 120mm or two 140mm fans on the floor, which helps you plan radiator and GPU airflow. Review the case manual for GPU length limits and slot spacing, and confirm you have the luxury PCIe 4.0 riser clearance if you use it.
Cooling and power are the last checks. The ARCTIC Liquid Freezer III Pro 360 is a 360mm AIO with three 120mm P12 Pro fans, a contact frame for Intel LGA1851 and LGA1700, offset mounting for the hotspot and an integrated VRM fan with integrated cable management. Confirm the Y70 side or top mount supports a 360mm radiator with the thickness you choose, and check cooler height or radiator clearance against the case before you buy, then follow mounting instructions for pressure and thermal paste application. For power, the CORSAIR HX1200i (2025) ATX 3.1 PCIe 5.1 Ready 1200W unit is fully modular with a 140mm fluid dynamic bearing fan and Zero RPM mode, and it is ATX 3.1 certified. Size the supply above the combined CPU and GPU draw, follow the GPU maker recommended wattage, use the native 12V-2×6 cable for the RTX 50 card, and never assume a smaller unit will handle any card.
If you need help choosing radiator size, see our guide on 240mm AIO vs 360mm AIO for gaming and for case fit also check how to choose a case for GPU clearance and radiator support. For more airflow planning, browse our Cases & Airflow section.
Performance: What To Expect
No verified frame rate numbers are available for this build, so we will keep this section qualitative and will not invent figures. That keeps expectations grounded in the parts and platform rather than in numbers we did not measure.
Qualitatively, the RTX 5090 class card is the driver of your experience at 4K and high refresh 1440p, with the Core Ultra 7 265K chosen so the processor does not hold it back at those resolutions. The 64GB DDR5 6000 kit keeps background tasks, browser tabs and game asset streaming responsive, while the Crucial T705 2TB Gen5 SSD with up to 14,500MB/s read helps with boot, level loads and large file moves. The 360mm AIO helps the CPU stay in its normal boost range under sustained loads, and the 1200W ATX 3.1 supply with PCIe 5.1 support gives you stable power delivery for transient spikes.
If you move down a GPU tier, expect lower headroom at 4K and you will lean more on upscaling or lower settings to keep refresh high. If you move up or add a faster CPU like the options in the higher end version, you gain headroom for high refresh play and longer relevance, but you will also need to manage thermals and noise more carefully. For background on CPU choice for streaming, see Best CPU for Streaming and Gaming at the Same Time 2026 Picks Reviewed.
Three Ways to Build This
Lower Cost Version
One GPU tier down with a cheaper CPU, a budget air cooler, a 1TB drive and an entry board, for a first build on a tight budget. You keep the same case airflow concept but scale back graphics and storage to reduce cost while keeping a clear upgrade path. This suits you if you play at 1440p, want to get started now and plan to upgrade the graphics card later.
Balanced Version
The parts listed here, for most gamers who want headroom to upgrade later. You get the Intel Core Ultra 7 265K, NVIDIA GeForce RTX 5090, ASUS ROG STRIX Z890-A Gaming WiFi, G.Skill Trident Z5 Neo 64GB DDR5 6000, Crucial T705 2TB Gen5, Corsair HX1200i and Arctic Liquid Freezer III 360 in the Hyte Y70. This is the setup we recommend if you want 4K capability with a practical board and cooler and room to grow.
Higher End Version
Move up a GPU tier and to a Ryzen 7 9800X3D or Ryzen 9 9950X3D with a 360mm AIO and a 1000W supply, for high refresh play and years of headroom. You trade the Intel LGA1851 platform for AM5 to chase higher gaming headroom and longer CPU relevance, and you keep strong cooling and power delivery to support sustained loads. This suits you if you target high refresh 4K or competitive high refresh 1440p and want the most headroom.
FAQ
Is the Intel Core Ultra 7 265K enough for an RTX 5090 at 4K?
Yes, for 4K and high refresh 1440p this pairing is chosen so the processor does not hold the card back at your target resolution. You still want fast DDR5 on the QVL and good cooling to keep the CPU in its normal boost range, and you should follow the board manual for power and thermal settings.
Will the ASUS ROG Astral RTX 5090 fit in the Hyte Y70?
It can, but you must verify clearance. Per the spec sheet the card is 357.6mm long and 3.8 slots wide, so check the Y70 GPU length limit and slot spacing, plus radiator thickness if you mount a 360mm AIO on the side or top. Also confirm the PCIe 4.0 riser layout if you use vertical mounting.
Do I need 64GB DDR5 6000 for gaming or is 32GB enough?
For most gamers a 32GB DDR5 6000 kit on the QVL is the sweet spot, and that is what our compatibility guidance references. The 64GB G.Skill Trident Z5 Neo kit in this build gives you extra headroom for streaming, content creation and heavy multitasking, but you should only choose it if you will use that capacity.
Final Verdict
This build puts your budget where it matters most for 4K, the GPU and a platform that does not hold it back, while keeping the board, cooler and case practical. It is not for you if you need a compact case, want the lowest noise at any cost, or prefer to stay on AM5 for X3D options, in those cases consider the alternative tiers above. For more ideas at this level, explore our Budget Build Guides.
Our pick: the Balanced version we recommend, the parts listed here, for most gamers who want 4K headroom with a clear upgrade path and proven LGA1851 support.
This build guide is not the right choice if you need a specific professional workload or the highest possible frame rates; it is aimed at value gaming within a set budget.
Write Your Review
No reviews yet. Be the first to share your experience!