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Illustration of a processor

Illustration. Product photos available on request.

Processors

Ryzen Threadripper 3990X desktop processor

Model Ryzen Threadripper 3990X
Also listed as
100-100000163WOF, 100-000000163

64-core, 128-thread Ryzen Threadripper 3000 series desktop processor (Castle Peak, Zen 2) for sTRX4 motherboards.

Cores and threads
64 cores, 128 threads
Clock speed
2.9 GHz base, up to 4.3 GHz boost
Socket and memory
sTRX4, DDR4
Graphics
None, needs a graphics card
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Overview Specifications Media Works with Support
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Overview

Highlights

  • 64 cores and 128 threads, Zen 2 architecture
  • 2.9 GHz base clock, up to 4.3 GHz boost clock
  • 256 MB L3 cache and 32 MB L2 cache
  • 280 W default TDP, unlocked for overclocking; no cooler in the box, AMD recommends a liquid cooler
  • sTRX4 socket, quad-channel DDR4 memory, DDR4-3200 with four modules, PCIe 4.0
  • No integrated graphics; a discrete graphics card is required

It runs at 2.9 GHz base and up to 4.3 GHz boost, with 256 MB L3 cache and a 280 W default TDP. It has no integrated graphics and needs a separate graphics card; no cooler is included and AMD recommends a liquid cooler.

At a glance

Series
Ryzen Threadripper
Generation
Ryzen Threadripper 3000 series
Socket
sTRX4
Graphics
None
Used with
Motherboards, memory (RAM) and CPU coolers See products

Specifications

General specifications

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
CPU cores
64
Multithreading (SMT)
Yes
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
280 W
Process technology, CPU cores
TSMC 7 nm FinFET
Process technology, I/O die
12 nm (Globalfoundries)
CPU compute die (CCD) size
74 mm²
I/O die (IOD) size
416 mm²
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
Cooler in the box (PIB)
Not included, liquid cooling recommended
Max. operating temperature (Tjmax)
95 °C
Launch date
7 February 2020
OS support
Windows 11 64-bit, Windows 10 64-bit, RHEL x86 64-bit

Connectivity

Native USB 3.2 Gen 2 (10 Gbps)
4
Native USB 3.2 Gen 1 (5 Gbps)
0
Native USB 2.0 (480 Mbps)
0
Native SATA ports
0
PCI Express version
PCIe 4.0
Native PCIe lanes
64 total, 56 usable
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 motherboard support

Graphics

Graphics model
Discrete graphics card required

Product IDs

Product ID, boxed
100-100000163WOF
Product ID, tray
100-000000163

Security

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

Key features

Supported technologies
AMD Zen Core Architecture, AMD Ryzen Master Utility

Specifications are taken from the manufacturer's published information and may change. Confirm critical values with our sales desk before ordering.

AMD product page

Media

Illustration of a processor

Photos and datasheets on request

Photos of this model are not on our site yet. Our sales desk can share product photos, the datasheet and the manual for Ryzen Threadripper 3990X.

Request photos and datasheet

Downloads

No downloads are listed for this model yet. Drivers, firmware and manuals are available from the brand's support site.

Official information

AMD product page for Ryzen Threadripper 3990X amd.com

Works with

Motherboards with the sTRX4 socket

Check the chipset supports this processor generation.

View all

Memory (RAM)

View all

CPU coolers

View all
  • GIGABYTE GP-GIGABYTE GME 240I

    GIGABYTE

    GAMING 240 ICE

    GP-GIGABYTE GME 240I

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 240

    GIGABYTE

    GAMING 240

    GP-GIGABYTE GME 240

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 360I

    GIGABYTE

    GAMING 360 ICE

    GP-GIGABYTE GME 360I

    • 360 mm
    • 3 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 360

    GIGABYTE

    GAMING 360

    GP-GIGABYTE GME 360

    • 360 mm
    • 3 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details

Support

Warranty and repairs

Warranty is as per AMD’s terms for this model. For products bought from us, call our service team with the invoice number, the model and the product’s serial number.

From AMD

Practical notes

  1. Update the motherboard BIOS if the board needs it for the processor generation, before fitting the processor.

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