AMD Ryzen Threadripper 2950X socket: Socket TR4

The AMD Ryzen Threadripper 2950X uses the Socket TR4 socket on X399 boards. It is a 16 core Colfax HEDT chip for heavy creation.

Launched
August 2018
Cores and threads
16 and 32
Default TDP
180 W
Codename
Colfax
Segment
HEDT
Clocks
3.5 / 4.4 GHz

AMD Ryzen Threadripper 2950X specifications

Cores16
Threads32
Core architectureZen+ (Colfax) cores on 12 nm
Clocks3.5 GHz base, up to 4.4 GHz
Cache32 MB L3, 8 MB L2
Processor base power (TDP)180 W
Manufacturing process12 nm
Memory supportDDR4-2933 ECC, four channels
PCI Express64 lanes from the CPU, PCIe 3.0
Integrated graphicsNone, discrete GPU required
MultiplierUnlocked
PackageSocket TR4 (LGA, 4094 contacts)

Motherboard and chipset compatibility

AMD Ryzen Threadripper 2950X needs a motherboard with a Socket TR4 socket. The table shows which chipset series accept it.

SeriesChipsetsSupport
X399 HEDTX399Works out of the box

Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for Socket TR4.

Socket TR4 at a glance

TypeLGA, 4,094 contacts
Package size58.5 × 75.4 mm
IntroducedAugust 2017
MemoryDDR4-2933 ECC, four channels
Cooler mounting holesBoard specific (TR4 heatsink)

Read the full Socket TR4 socket guide

What the Threadripper 2950X is

The Threadripper 2950X scales Colfax to sixteen cores with multithreading. It launched in August 2018 with a 3.5 GHz base and up to 4.4 GHz boost at 180 W. AMD targets creators who need high thread counts without workstation prices.

Thirty two megabytes of L3 with 8 MB of L2 feed parallel exports across 32 threads. The steady base sustains all core renders. Boost to 4.4 GHz keeps interaction smooth during timeline scrubbing.

No integrated graphics is included. The process is 12 nm. DDR4-2933 ECC in four channels suits large scenes. Quad channel bandwidth feeds many threads without starving.

Socket and motherboard compatibility

The 2950X fits Socket TR4 on X399 boards only. Vendors shipped Colfax BIOS builds from August 2018. First generation boards may need an update for second generation IDs. Server SP3 and sTRX4 never accept it.

DDR4-2933 ECC in four channels carries large projects. Eight slot population gives full bandwidth for 32 threads. The Socket vs chipset: what decides whether a CPU works guide details HEDT matching.

Single socket towers hold this SKU well. Dual socket scaling needs EPYC on server sockets instead.

Memory, PCIe and cooling

DDR4-2933 ECC in four channels up to large capacities covers creation and labs. Matched kits across channels sustain bandwidth for 32 threads. Plan 64 GB for heavy video work.

Sixty four Gen3 CPU lanes can hold quad GPUs plus NVMe RAID for editing. Most creator boards split lanes between two graphics slots and fast storage. Chipset links handle the remaining I/O.

TR4 cooling from the CPU cooler compatibility by socket guide needs full coverage cold plates for 180 W. Even torque through the carrier matters. Maintain airflow where GPUs add heat.

Upgrade paths

On the same socket, the AMD Ryzen Threadripper 2920X trims to twelve cores at the same 180 W for lower cost. The 2970WX moves to 24 cores at 250 W for denser rendering where listed. Both share X399 after a BIOS check.

Mainstream Ryzen 7 2700X gives eight cores without HEDT lanes for gaming. It suits play rather than production threads.

Past TR4 third generation needs sTRX4. The 2950X covers balanced HEDT where sixteen cores must endure.

Frequently asked questions

What socket does the Ryzen Threadripper 2950X use?

It uses Socket TR4 on X399 boards.

How many cores does the 2950X have?

Sixteen cores with multithreading give 32 threads. Base is 3.5 GHz with boost to 4.4 GHz.

Does the 2950X include integrated graphics?

No. Discrete graphics are required.

What memory does the 2950X support?

DDR4-2933 ECC in four channels.

When did the 2950X launch?

August 2018 with Colfax.

Sources and verification

  1. AMD Ryzen Threadripper 2950X Benchmarks and Specs (CPU-Monkey)
  2. Ryzen Threadripper 2950X specs (Technical City)

Facts last checked against these sources on . Page last edited on .