Socket TR4

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Socket TR4
Tr4 and 1950X.JPG
ProcessorsRyzen Threadripper:
Memory supportDDR4

This article is part of the CPU socket series

Socket TR4, short for Socket Threadripper 4,[citation needed] also known as Socket SP3r2, is a land grid array (LGA) CPU socket designed by AMD supporting its Zen-based Ryzen Threadripper desktop processors,[1][2] launched on August 10, 2017[3] for the high-end desktop and workstation platforms. Socket TR4 is AMD's second LGA socket for a consumer product after the short lived Socket 1207 FX.[4][5] It is physically identical to, but incompatible with, AMD's server Socket SP3.[3]

It uses the X399 chipset, and supports a total of 66 PCI Express lanes for quad SLI/CrossFire setups[6]. PCI express ×16 slots are usually set up on most X399 motherboards like this: slot 1—×16, slot 2—×8, slot 3—×16, slot 4—×8).[citation needed] Slots 2 and 4 usually share bandwidth with M.2 slots (if occupied).[citation needed] The PCI Express ×8 slots will change to x4 speeds if the M.2 slots are occupied.[citation needed] The ASRock micro Taichi is the only microATX TR4 motherboard currently[when?] available on the market.[citation needed]


  1. ^ "AMD's 'TR4' Threadripper CPU socket is gigantic".
  2. ^ "CoolerMaster Wraith Ripper CPU cooler for Threadripper".
  3. ^ a b Cutress, Ian (2017-08-10). "The AMD Ryzen Threadripper 1950X and 1920X Review: CPUs on Steroids". AnandTech. Retrieved 2017-08-10.
  4. ^ Shimpi, Anand Lal. "AMD's Quad FX: Technically Quad Core". Retrieved 2018-08-13.
  5. ^ Hruska, Joel (1 August 2017). "MSI Shows How to Install AMD's Threadripper CPU". ExtremeTech. Retrieved 10 August 2017.
  6. ^ "AMD SocketTR4 X399 Platform-based Motherboards". AMD. Retrieved 2018-12-06.