Socket SP6

Socket SP6 (LGA 4844) is a zero insertion force land grid array CPU socket designed by AMD supporting its Zen 4c-based Epyc Siena server processors that launched on September 18th, 2023. It is designed for server systems targeting infrastructure and edge computing segments.[1][2]

Socket SP6
Release dateSeptember 18, 2023 (2023-09-18)
Designed byAMD
Manufactured by
  • Lotes
  • Foxconn
TypeLGA-ZIF
Chip form factorsFlip-chip
Contacts4844
FSB protocolPCI Express
Infinity Fabric
Processor dimensions58.5mm × 75.4mm
4110.9mm2
ProcessorsEpyc:
PredecessorSocket SP3
VariantSocket SP5, Socket sTR5
Memory supportECC DDR5
This article is part of the CPU socket series

History

In November 2022, AMD launched the SP5 socket alongside its Epyc 9004 series of processors, codenamed Genoa. The large physical socket and thermal footprint excluded SP5 from certain edge applications. Socket SP6 was created as a smaller variant of socket SP5 with fewer pins and less memory support, reducing the footprint from 72×75.4 mm to 58.5×75.4 mm, identical to that of Socket SP3.[1][2]

Socket SP6 will serve segments of the server market where performance is not a priority but cost, value, small footprint, and low power consumption / heat dissipation are. Examples of this are infrastructure computing and edge computing. Currently, it only supports the Epyc "Siena" lineup of processors.[1][3] It supports processor TDPs up to 225 W.[4][5]

On October 19th, 2023, AMD released the Theadripper 7000 family, utilizing the sTR5 socket, which is physically identical to the SP6 socket, but not electrically compatible.[6]

Features
  • Supports 6 channels of DDR5 ECC RAM
  • Supports 96 lanes of PCIe 5.0
  • Supports 48 CXL 1.1 lanes (as a subset of the PCIe 5.0 lanes)
  • Single socket only

See also
  • Socket AM5, contemporary desktop socket from AMD in use since 2022
  • Socket SP5, server socket for mainstream and high power Genoa and Bergamo series processors

References
  1. Kennedy, Patrick (September 18, 2023). "AMD EPYC 8004 Siena Launched for Lower Power EPYC Edge". ServeTheHome. Retrieved September 27, 2023.
  2. Olšan, Jan (September 21, 2023). "AMD launches Epyc 8004: lower-cost, lower-power SP6 platform". HWCooling.net. Retrieved September 27, 2023.
  3. Wallossek, Igor (September 18, 2023). "AMD Epyc 8004 and the Socket SP6 - AMD goes one better". igor´sLAB. Retrieved September 28, 2023.
  4. "Shown is AMD SP6 socket for next generation Zen4 EPYC series, same size as SP3". hitechglitz.com. AnandTech. Retrieved September 28, 2023.
  5. "AMD EPYC 8004 "Siena" Processors with "Zen 4c" and New SP6 Platform Announced". TechPowerUp. September 19, 2023. Retrieved September 28, 2023.
  6. Bonshor, Gavin. "AMD Unveils Ryzen Threadripper 7000 Family: 96 Core Zen 4 for Workstations and HEDT". www.anandtech.com. Retrieved October 26, 2023.
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