I'm putting together my first PC and want to make sure everything is compatible and that I'm not overlooking anything. The planned parts are a Gigabyte X870 AORUS Stealth motherboard, Ryzen 9 9900X3D processor, Gigabyte Radeon RX 9070 XT graphics card, 32GB (2x16GB) Corsair Vengeance DDR5-6000 memory, Samsung 990 Pro 2TB PCIe 4.0 NVMe SSD, Lian Li Hydroshift II LCD-S 360mm AIO cooler, Corsair RM850e 850W ATX 3.1 power supply, and a Lian Li V100 ATX mid-tower case with four 120mm ARGB fans. Does this combination work, and is there anything important I should add or verify before ordering?
3 Answers
The 9900X3D will work, but it may be more CPU than you need if this is primarily a gaming build. A Ryzen 7 9800X3D could offer similar gaming performance for less money, while the 9900X3D makes more sense if you also need extra cores for rendering, streaming, compiling, or other productivity work.
The main thing I’d double-check is physical clearance. Confirm that the V100 supports a 360mm radiator in the position you plan to use and that the exact RX 9070 XT model fits with the radiator and front fans installed. Also verify that the AIO includes the correct AM5 mounting hardware and that its fan or RGB controller connections match the motherboard or included controller.
Yes, these parts should work together. The X870 board uses the AM5 socket and is intended for Ryzen 9000 processors, while the 32GB DDR5-6000 kit and PCIe 4.0 SSD are suitable choices. The 850W ATX 3.1 power supply should also be enough for the 9900X3D and RX 9070 XT. Before assembling, check that the motherboard has the appropriate BIOS version and enable the memory’s EXPO profile after installation.
I don’t specifically need the extra cores, but the 9900X3D is only about $100 more than the 9800X3D, so I figured the upgrade might be worthwhile.