Socket sTRX4

Socket sTRX4, also known as Socket SP3r3,[1] is a land grid array (LGA) CPU socket designed by AMD supporting its Zen 2-based Castle Peak Ryzen Threadripper desktop processors,[2] launched on November 25, 2019 for the high-end desktop and workstation platforms.

Socket sTRX4
TypeLGA
Contacts4094
ProcessorsRyzen Threadripper:
PredecessorTR4
Memory supportDDR4

This article is part of the CPU socket series

Socket sTRX4 is the direct successor to Socket TR4 used in the first- and second-generation Ryzen Threadripper products. It is physically identical to, but electrically incompatible with both TR4 and AMD's server Socket SP3.[3][2]

While Socket SP3 doesn't require a chipset, instead utilizing a system-on-a-chip design, Socket sTRX4 and its predecessor require a chipset to provide improved connectivity and functionality. For Socket sTRX4, the TRX40 chipset was developed, which provides a total of 88 PCIe 4.0 lanes,[4] an increase from the 66 PCIe 3.0 lanes on its predecessor platform.[5] Also it no longer features a built-in High Definition Audio controller, a feature appearing in every new platform since 2004 as a replacement of AC'97; instead motherboard manufacturers are including a separate USB audio controller onboard to provide audio functionality, such as Realtek's ALC4050H controller + ALC1220 codec.[6] AMD has promised long-term support for socket sTRX4.[7]

See also

References

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