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Illustration of a processor

Illustration. Product photos available on request.

Processors

Ryzen 9 3950X desktop processor

Model Ryzen 9 3950X
Also listed as
100-100000051WOF, 100-000000051

16-core, 32-thread Ryzen 3000 series desktop processor (Matisse, Zen 2) for AM4 motherboards. It runs at 3.5 GHz base and up to 4.7 GHz boost, with 64 MB L3 cache and a 105 W default TDP.

Cores and threads
16 cores, 32 threads
Clock speed
3.5 GHz base, up to 4.7 GHz boost
Socket and memory
AM4, DDR4
Graphics
None, needs a graphics card
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Overview Specifications Media Works with Support
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Overview

Highlights

  • 16 cores and 32 threads, Zen 2 architecture
  • 3.5 GHz base clock, up to 4.7 GHz boost clock
  • 64 MB L3 cache and 8 MB L2 cache
  • 105 W default TDP, unlocked for overclocking; no cooler in the box, AMD recommends a liquid cooler
  • AM4 socket, dual-channel DDR4 memory, DDR4-3200 with two modules, PCIe 4.0
  • No integrated graphics; a discrete graphics card is required

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 9
Generation
Ryzen 3000 series
Socket
AM4
Graphics
None
Used with
Motherboards, memory (RAM) and CPU coolers See products

Specifications

General specifications

Family
Ryzen
Series
Ryzen 3000 Series
Form factor
Desktops, boxed processor
Market segment
Enthusiast desktop
AMD PRO technologies
Yes
Regional availability
Global, China, NA, EMEA, APJ, LATAM
Former codename
Matisse
Processor architecture
Zen 2
CPU cores
16
Multithreading (SMT)
Yes
Threads
32
Max. boost clock
Up to 4.7 GHz
Base clock
3.5 GHz
L1 cache
1024 KB
L2 cache
8 MB
L3 cache
64 MB
Default TDP
105 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
125 mm²
Package die count
3
Total transistor count
9.89 billion
Unlocked for overclocking
Yes
CPU socket
AM4
Supporting chipsets
X570, X470, X370, B450
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 July 2019
OS support
Windows 11 64-bit, Windows 10 64-bit, RHEL x86 64-bit, Ubuntu 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
24 total, 20 usable
Additional usable PCIe lanes from motherboard
X570 16x Gen 4
NVMe support
Boot, RAID0, RAID1, RAID10
System memory type
DDR4
Memory channels
2
Max. memory
128 GB
System memory subtype
UDIMM
Max. memory speed
2x1R DDR4-3200, 2x2R DDR4-3200, 4x1R DDR4-2933, 4x2R DDR4-2667
ECC support
Yes, requires motherboard support

Graphics

Graphics model
Discrete graphics card required

Product IDs

Product ID, boxed
100-100000051WOF
Product ID, tray
100-000000051

Security

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

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 9 3950X.

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 9 3950X amd.com

Works with

Motherboards with the AM4 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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