PC build
True 4k Gaming PC (2026) - Classic LTT Build Guide
This build utilizes the modern Intel LGA1851 platform, pairing a Core Ultra 5 250KF with an RTX 5070 Ti. It is highly capable for high-end 1440p or 4K gami
Component prices & shopping links
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| Part | Component | AUD price & shopping |
|---|---|---|
| cpu | Intel Core Ultra 5 250KF Plus 4.2 GHz 18-Core ProcessorNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| motherboard | ASRock B860M Pro-A Micro ATX LGA1851 MotherboardNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| ram | Corsair Vengeance 32GB (2x16) DDR5-6000 CL36 MemoryNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| storage | Patriot P300 1 TB M.2-2280 PCIe 3.0 X4 NVME Solid State DriveNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| cooler | Thermalright Assassin X120 Refined SENone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| gpu | Asus PRIME OC GeForce RTX 5070 Ti 16 GB Video CardNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
| case | Gamdias ATHENA M4M caseNone | $129.00 Last seenOct 22, 2026, 2:45 PM UTCCurrent price and stock need a new check.Confirm variant, stock, shipping and tax at checkout. |
| psu | Seasonic FOCUS GX-850 80+ GoldNone | Price not recorded yet. Check local retailers below.Confirm variant, stock, shipping and tax at checkout. |
What this build is good for
This build utilizes the modern Intel LGA1851 platform, pairing a Core Ultra 5 250KF with an RTX 5070 Ti. It is highly capable for high-end 1440p or 4K gaming and general productivity workloads. While the core components are performance-oriented, the inclusion of a PCIe 3.0 Patriot P300 SSD creates a significant storage bottleneck that prevents the system from fully leveraging the platform's bandwidth potential. The Thermalright Assassin X120 is compatible but may be pushed to its thermal limits under sustained high-load scenarios compared to more robust cooling solutions. Additionally, the Gamdias ATHENA M4M's front-mount power supply configuration requires careful verification of PSU cable length and AC inlet orientation to ensure successful assembly within its compact form factor. Overall, the system is a strong foundation, though storage and cooling adjustments are recommended for optimal performance and long-term utility.
- Storage bandwidth bottleneck due to PCIe 3.0 SSD
- Potential assembly difficulty in compact case with front-mounted PSU
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Useful next steps
Upgrade NVMe Storage
The Patriot P300 is a PCIe 3.0 drive. Upgrading to a PCIe 4.0 or 5.0 NVMe SSD will better match the performance capabilities of the LGA1851 platform.
Verify PSU Compatibility
The Gamdias ATHENA M4M uses a front-mount PSU design. Confirm the Seasonic FOCUS GX-850 AC inlet orientation and cable lengths are compatible with this specific layout.
Assess Cooling Requirements
While compatible, the Core Ultra 5 250KF may require a more substantial cooler than the Assassin X120 if subjected to prolonged heavy processing loads.