• Name
    • AMD Ryzen™ Threadripper™ 3990X
    • Family
    • Ryzen Threadripper
    • Series
    • Ryzen Threadripper 3000 Series
    • Form Factor
    • Desktops , Boxed Processor
    • Market Segment
    • HEDT
    • AMD PRO Technologies
    • No
    • Regional Availability
    • Global , China , NA , EMEA , APJ , LATAM
    • Former Codename
    • Castle Peak
    • Processor Architecture
    • Zen 2
    • # of CPU Cores
    • 64
    • Multithreading (SMT)
    • Yes
    • # of Threads
    • 128
    • Max. Boost Clock 
    • Up to 4.3 GHz
    • Base Clock 
    • 2.9 GHz
    • L1 Cache
    • 4096 KB
    • L2 Cache
    • 32 MB
    • L3 Cache
    • 256 MB
    • Default TDP
    • 280W
    • Processor Technology for CPU Cores
    • TSMC 7nm FinFET
    • Processor Technology for I/O Die
    • 12nm (Globalfoundries)
    • CPU Compute Die (CCD) Size
    • 74mm²
    • I/O Die (IOD) Size
    • 416mm²
    • Package Die Count
    • 5
    • Total Transistor Count
    • 39.54 Billion
    • Unlocked for Overclocking 
    • Yes
    • CPU Socket
    • sTRX4
    • Supporting Chipsets
    • TRX40
    • CPU Boost Technology
    • Precision Boost 2
    • Instruction Set
    • x86-64
    • Supported Extensions
    • AES , AMD-V , AVX , AVX2 , FMA3 , MMX-plus , SHA , SSE , SSE2 , SSE3 , SSE4.1 , SSE4.2 , SSE4A , SSSE3 , x86-64
    • Thermal Solution (PIB)
    • Cooler Not Included, Liquid Cooling Recommended
    • Max. Operating Temperature (Tjmax)
    • 95°C
    • Launch Date
    • 02/07/2020
    • *OS Support
    • Windows 11 - 64-Bit Edition , Windows 10 - 64-Bit Edition , RHEL x86 64-Bit

    • Native USB 3.2 Gen 2 (10Gbps)
    • 4
    • Native USB 3.2 Gen 1 (5Gbps)
    • 0
    • Native USB 2.0 (480Mbps)
    • 0
    • Native SATA Ports
    • 0
    • PCI Express® Version
    • PCIe® 4.0
    • Native PCIe® Lanes (Total/Usable)
    • 64 , 56
    • Additional Usable PCIe Lanes from Motherboard
    • TRX40
      16x Gen 4
    • NVMe Support
    • Boot , RAID0 , RAID1 , RAID10
    • System Memory Type
    • DDR4
    • Memory Channels
    • 4
    • Max. Memory
    • 256 GB
    • System Memory Subtype
    • UDIMM
    • Max Memory Speed
    • 4x1R
      DDR4-3200
      4x2R
      DDR4-3200
      8x1R
      DDR4-2933
      8x2R
      DDR4-2677
    • ECC Support
    • Yes (Requires mobo support)

    • Graphics Model
    • Discrete Graphics Card Required

    • Product ID Boxed
    • 100-100000163WOF
    • Product ID Tray
    • 100-000000163

    • PCIe® DMA Security
    • Yes
    • USB DMA Security
    • Yes
    • AMD Enhanced Virus Protection (NX bit)
    • Yes

    • Supported Technologies
    • AMD Zen Core Architecture , AMD Ryzen™ Master Utility