Pick parts. See real compatibility. Pay the lowest price.
Pick the budget, resolution, and style.. and get your complete compatible build in under two minutes.
Pick every part yourself with accurate live compatibility and power checks after every change.
Technical specifications, 90-day price history, and price comparison for every part we track.
The auto-builder keeps these 3 ready-made configurations tuned to live store prices. Load one if you like it, then make it yours.
High-refresh 1080p without touching four digits.
7 parts - opens in builder
The price-to-frames curve peaks right here.
7 parts - opens in builder
4K ultra with ray tracing on. Apologies to no one.
8 parts - opens in builder
Prices as of 01 Oct 2026, 22:44 UTC
30-day price drops across our catalog.. parts whose prices have fallen the most over the past 30 days from the stores we track.
Prices as of 01 Oct 2026, 22:44 UTC
Browse the full catalog25 rules run on every part change... socket matches, memory chains, GPU clearance, radiator fit, power rails, ports availability. When something fails, GamingComputerBuild explains why and how to fix it.
RTX 5070 Ti is 304 mm - clears the Corsair 4000D Airflow (max 360 mm) with 56 mm to spare.
DDR5-7200 kit exceeds the B650 Tomahawk's 6400 MT/s ceiling - it will downclock to 6400.
-> fix: G.Skill Flare X5 DDR5-6000 CL30 runs at full speed and costs less.
RTX 5090 build pulls ~850 W est. load - 100 W over the RM750x's 750 W rail.
-> fix: Seasonic Vertex PX-1000 - 1000 W with a native 12V-2x6 cable.
Answer 3 questions and have your compatible, fully priced build ready.
~2 min - no account - every store compared