AMD · CPU

AMD Ryzen 9 PRO 9955

12 cores · 5.4 GHz · AM5 · DDR5-5600

Specifications

From Wikipedia^[1]

Cores: 12 cores, 24 threads
Boost clock: Up to 5.4 GHz
L3 cache: 64 MB
Power (TDP): 120 W
Built-in graphics: Yes
Socket: AM5
PCIe: PCIe 5.0
Official DDR5 speed: DDR5-5600 (DDR5-3600 with 4 modules)
Segment: Desktop
Launched: June 30, 2026

Specs last checked Oct 19, 2026. Spotted a mistake? Tell us and we'll fix it.

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