Specification

Processor

• AMD Ryzen™ Threadripper™ PRO 9955WX
• Ryzen™ Threadripper™ PRO 9000 WX-Series
• Zen 5 Architecture
• 16 Cores / 32 Threads
• Up to 5.4 GHz Max Boost Clock
• 4.5 GHz Base Clock
• AMD PRO Technologies Support
• Global Availability

Cache

• 1.25 MB L1 Cache
• 16 MB L2 Cache
• 64 MB L3 Cache

Performance & Overclocking

• Simultaneous Multithreading (SMT)
• Precision Boost 2 Technology
• Precision Boost Overdrive (PBO)
• AMD EXPO™ Memory Overclocking Technology
• Curve Optimizer Voltage Offsets
• Unlocked for Overclocking

Platform

• Socket sTR5
• Supports WRX90, TRX50, and Pro 695 Chipsets
• PCIe® 5.0 Support
• 148 Total PCIe Lanes
• 144 Usable PCIe Lanes
• 128 PCIe® 5.0 Lanes

Memory Support

• DDR5 RDIMM Memory
• 8 Memory Channels
• Up to 6400 MT/s Memory Speed
• ECC Memory Support (Enabled by Default)

Storage & Connectivity

• 4 Native USB 3.2 Gen 2 (10Gbps) Ports
• 4 Native SATA Ports
• NVMe Boot Support
• RAID 0, RAID 1, RAID 5, RAID 10 Support

Architecture & Manufacturing

• Codename: Shimada Peak
• TSMC 4nm FinFET CPU Process
• TSMC 6nm FinFET I/O Die Process
• 3 Package Dies

Security Features

• AMD Memory Guard
• AMD Secure Processor
• Firmware TPM
• Windows Secure Boot
• UEFI Secure Boot
• Windows Device Guard
• Virtualization-Based Security (VBS)
• Windows Secured-Core PC
• DASH Support
• FIPS Certification (In Review)

Virtualization Support

• AMD-V (SVM)
• AMD-V Nested Paging (RVI)
• AMD AVIC Interrupt Virtualization
• AMD-Vi (I/O MMU Virtualization)
• Second Level Address Translation (SLAT)
• Guest Mode Execution Trap (GMET)

Supported Instruction Sets

• x86-64
• AVX, AVX2, AVX-512
• AES, SHA
• FMA3
• SSE, SSE2, SSE3
• SSE4.1, SSE4.2, SSE4A
• SSSE3

Graphics

• Discrete Graphics Card Required
• No Integrated Graphics

Thermal & Power

• 350W TDP
• Maximum Operating Temperature: 95°C
• Thermal Solution Not Included

Operating System Support

• Windows 11 64-bit
• Windows 10 64-bit
• Ubuntu x86 64-bit
• Red Hat Enterprise Linux (RHEL) x86 64-bit