True 4k Gaming PC (2026) - Classic LTT Build Guide

Thanks for Seasonic for sponsoring this video! Make sure your builds are powered reliably with a Seasonic PSU. Check out the model used in this video, the FOCUS GX-850 80+ Gold, at https://lmg.gg/gx850 Prices are high, and everyone is feeling the pinch, but it’s STILL possible to build a 4k Gaming PC for UNDER $2000. Join us for another classic LTT Build Guide to see what we’ve picked to maximize our bang for the buck, and how everything comes together for some REAL 4K gaming. https://www.lttlabs.com/products/power-supplies/seasonic-focus-gx-750-atx-3-2024 Discuss on the forum: https://linustechtips.com/topic/1640893-true-4k-gaming-pc-2026-classic-ltt-build-guide/ Check out the parts from the build! Intel Core Ultra 5 250KF Plus 4.2 GHz 18-Core Processor: https://geni.us/csO5dhm ASRock B860M Pro-A Micro ATX LGA1851 Motherboard: https://geni.us/lsjYL Corsair Vengeance 32GB (2x16) DDR5-6000 CL36 Memory: https://geni.us/6cqAz Patriot P300 1 TB M.2-2280 PCIe 3.0 X4 NVME Solid State Drive: https://geni.us/qVF5Zd Thermalright Assassin X120 Refined SE: https://geni.us/2OC513 Asus PRIME OC GeForce RTX 5070 Ti 16 GB Video Card: https://geni.us/tw6mC9L Gamdias ATHENA M4M case: https://geni.us/jqKGdQ9 Check out our Channel Partners: Secretlab - Grab a TITAN Evo ergonomic gaming chair: https://lmg.gg/secretlabltt PIA - Get the VPN of our choice: https://www.piavpn.com/ltt dbrand - Buy a "Circuit" series skin for your device: https://dbrand.com/pcb ► SHOP LTT PRODUCTS: https://lttstore.com ► GET EXCLUSIVE CONTENT ON FLOATPLANE: https://lmg.gg/lttfloatplane ► DIVE DEEPER ON THE LTT LABS WEBSITE: https://lmg.gg/labs ► SPONSORS, AFFILIATES, AND PARTNERS: https://lmg.gg/partners Purchases made through some store links may provide some compensation to Linus Media Group. Affiliate links powered in part by https://affilimate.com/?aid=ghz1izbpb Linus Sebastian is an investor in Framework Computer, Inc and HexOS by Eshtek. CHAPTERS --------------------------------------------------- 0:00 Intro 0:33 CPU choice 2:00 What motherboard? 2:26 Safety first! 2:44 Installing the CPU 3:30 M.2 SSD choice and installation 4:54 What RAM? 5:49 Shahrad's law of RAM installation 6:25 CPU cooler 7:41 Applying the thermal paste 8:11 PC case 8:39 Linus Drop Tips 9:04 Installing the motherboard in the case 9:47 Case and front-panel cables 11:35 Seasonic Focus GX-850 PSU 13:34 GPU 15:32 First boot 16:44 Clair Obscur: Expedition 33 17:10 Cyberpunk 2077 18:05 Forza Horizon 5 19:23 Tape to Tape 19:38 Final thoughts