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Build a PC / heavy gaming

$8,000 4K gaming PC, part by part

An AMD Ryzen 9 9950X3D2 with the GeForce RTX 5090, and the 6 parts around them that fit it: $7,944 all in.

One of the three heavy targets at a time, and the result says which: 4K high settings by default, with ray tracing or 240 Hz at 1440p as the alternatives the same class of card serves. Every part here was checked against every other for fit, and picked for the strongest graphics card the budget allows. Typical US prices read on 2026-09-09, not a live checkout total: no operating system, shipping, tax, screen, keyboard or mouse.

The AMD Ryzen 9 9950X3D2 and the GeForce RTX 5090 are well matched at 4K.

Change the budget or the job
97Fit for the job

Flagship

$7,944 of $8,000

Fractal Design TorrentRTX 50901500 W

Build order

Eight steps, the way a builder works through the case. $7,944 all in.

  1. ASUS ROG Strix X870E-E Gaming WiFi on the tray
  2. Ryzen 9 9950X3D2 in the socket
  3. Arctic Liquid Freezer III Pro 360 on top
  4. 2 sticks of memory
  5. Two drives on the board
  6. RTX 5090 in the x16 slot
  7. 1500 W supply in the basement
  8. Panel on, power on
PartScore for the jobTypical priceBuy
ProcessorAMD Ryzen 9 9950X3D2

Highest heavy gaming score the budget allows next to this card: 16 cores, boosts to 5.6 GHz.

2 swaps that still fit
97
$899
Buy on Amazon
MotherboardASUS ROG Strix X870E-E Gaming WiFi

X870E board for the AM5 socket, DDR5, 5 M.2 slots, Wi-Fi.

2 swaps that still fit
96
$391
Buy on Amazon
MemoryCorsair Vengeance 48GB (2x24GB) DDR5-6000 CL30 White

48 GB DDR5 at 6000 MT/s CL30; 32 GB or more is the floor for heavy gaming.

84
$139
Buy on Amazon
Graphics cardGeForce RTX 5090

32 GB of video memory, index 100 at 4K; tuned for the strongest graphics card the budget allows.

2 swaps that still fit
100
$4,830
Buy on Amazon
CPU coolerArctic Liquid Freezer III Pro 360

Rated 330 W for a chip that turbos to 270 W.

2 swaps that still fit
96
$70
Buy on Amazon
Power supplyCorsair HX1500i (2023)

1500 W, 80 Plus platinum; this build draws about 1100 W at full tilt, native 12V-2x6 cable.

1 swap that still fit
98
$350
Buy on Amazon
CaseFractal Design Torrent

5 fans in the box, 4 is the least 845 W of parts needs behind a mesh front. Takes EATX/ATX/MATX/ITX boards and cards up to 461 mm.

2 swaps that still fit
92
$205
Buy on Amazon
StorageSamsung 9100 Pro 2TB

2 TB PCIe 5.0 NVMe, 14,700 MB/s reads, with cache.

4 swaps that still fit
97
$400
Buy on Amazon
Second driveWD Black SN8100 4TB

4 TB for games, footage or models; the budget had room once every other slot was at its best.

99
$660
Buy on Amazon
Total, typical prices9 parts$7,944

The same list, more or less money

$7,500 4K gaming PCWhat $500 less buys, and which parts change.$8,500 4K gaming PCWhat $500 more buys, and where it goes.

$8,000 spent on a different job

The same money buys a different machine when the work changes.