AMD Ryzen™ Threadripper™ PRO 9955WX Specifications

Name	AMD Ryzen™ Threadripper™ PRO 9955WX
Family	Ryzen Threadripper PRO
Series	Ryzen Threadripper PRO 9000 WX-Series
Form Factor	Desktops
AMD PRO Technologies	Yes
Regional Availability	Global
Former Codename	Shimada Peak
Processor Architecture	Zen 5
# of CPU Cores	16
Multithreading (SMT)	Yes
# of Threads	32
Max. Boost Clock	Up to 5.4 GHz
Base Clock	4.5 GHz
L1 Cache	1280 KB
L2 Cache	16 MB
L3 Cache	64 MB
Default TDP	350W
Processor Technology (CPU Cores)	TSMC 4nm FinFET
Processor Technology (I/O Die)	TSMC 6nm FinFET
Package Die Count	3
Unlocked for Overclocking	Yes
AMD EXPO™ Technology	Yes
Precision Boost Overdrive	Yes
Curve Optimizer Voltage Offsets	Yes
CPU Socket	sTR5
Supporting Chipsets	WRX90, TRX50, Pro 695
CPU Boost Technology	Precision Boost 2
Instruction Set	x86-64
Supported Extensions	AES, 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
OS Support	Windows 11 (64-Bit), Windows 10 (64-Bit), RHEL x86 (64-Bit), Ubuntu x86 (64-Bit)
Native USB 3.2 Gen 2 (10Gbps)	4
Native SATA Ports	4
PCI Express® Version	PCIe® 5.0
Native PCIe® Lanes (Total/Usable/PCIe® 5.0)	148 / 144 / 128
NVMe Support	Boot, RAID0, RAID1, RAID5, RAID10
System Memory Type	DDR5
Memory Channels	8
System Memory Subtype	RDIMM
System Memory Specification	Up to 6400 MT/s
ECC Support	Yes (Default Enabled)
Graphics Model	Discrete Graphics Card Required
Product ID (Tray)	100-000000725
DASH Support	Yes
AMD Memory Guard	Yes
AMD Secure Processor Support	Yes
Windows Secure Boot Support	Yes
UEFI Secure Boot Support	Yes
Windows Device Guard Support	Yes
GMET Trap Support	Yes
VBS Support	Yes
Secured-Core PC Support	Yes
Firmware TPM	Yes
AMD-V (SVM) Support	Yes
AMD-V Nested Paging	Yes
AMD AVIC Support	Yes
AMD-Vi Support	Yes
SLAT Support	Yes
AES-NI	Yes
Enhanced Virus Protection (NX bit)	Yes
FIPS Certification	In Review
Supported Technologies	AMD EXPO™ Technology, AMD PRO technologies, AMD Ryzen™ Technologies

AMD Ryzen Threadripper PRO 9955WX 16C/32T sTR5 Processor

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