NameAMD Ryzen™ Threadripper™ PRO 9955WX
FamilyRyzen Threadripper PRO
SeriesRyzen Threadripper PRO 9000 WX-Series
Form FactorDesktops
AMD PRO TechnologiesYes
Regional AvailabilityGlobal
Former CodenameShimada Peak
Processor ArchitectureZen 5
# of CPU Cores16
Multithreading (SMT)Yes
# of Threads32
Max. Boost Clock Up to 5.4 GHz
Base Clock 4.5 GHz
L1 Cache1280 KB
L2 Cache16 MB
L3 Cache64 MB
Default TDP350W
Processor Technology for CPU CoresTSMC 4nm FinFET
Processor Technology for I/O DieTSMC 6nm FinFET
Package Die Count3
Unlocked for Overclocking Yes
AMD EXPO™ Memory Overclocking TechnologyYes
Precision Boost OverdriveYes
Curve Optimizer Voltage OffsetsYes
CPU SocketsTR5
Supporting ChipsetsWRX90 , TRX50 , Pro 695
CPU Boost TechnologyPrecision Boost 2
Instruction Setx86-64
Supported ExtensionsAES , AMD-V , AVX , AVX2 , AVX512 , FMA3 , MMX-plus , SHA , SSE , SSE2 , SSE3 , SSE4.1 , SSE4.2 , SSE4A , SSSE3 , x86-64
Thermal Solution (PIB)Not Included
Max. Operating Temperature (Tjmax)95°C
Launch Date07/23/25
*OS SupportWindows 11 - 64-Bit Edition , RHEL x86 64-Bit , Ubuntu x86 64-Bit , Windows 10 - 64-Bit Edition
