Part / accessory · AMD

AMD Ryzen 9 5900X

verified 2026-10-13 Specs from AMD processor specifications. Also known as: ryzen 9 5900x, amd ryzen 9 5900x, 5900x, 100-100000061wof, 100-000000061.

Specs

socketAM4
cores12
tdp w105
memory typeDDR4
stock coolernone (not included)

Fits

  • CPU socket AMD Socket AM4 (CPU socket)
    AMD desktop socket for Ryzen 1000-5000 series processors; AM4 boards use DDR4 memory.

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Good to know
  • AMD: not all processors are supported on every chipset, and support may require a BIOS upgrade. Check the board maker's CPU support list for the minimum BIOS before buying.
  • Ryzen 5000 runs on X570, B550, A520 and on 400-series boards (X470, B450) per AMD's chipset table, but a 400-series board whose BIOS predates Ryzen 5000 must be updated before it will boot one.
  • On 300-series boards (X370, B350, A320) AMD marks Ryzen 5000 as 'Selective Beta BIOS update needed' - only some boards got that BIOS.
  • AM4 processors do not fit AM5 boards and AM5 processors do not fit AM4 boards.

What does the AMD Ryzen 9 5900X work with?

8 models in the graph.

Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.