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AMD’s “Zen 5” microarchitecture delivers the 5th Generation AMD EPYC server processor (codenamed Turin). Targeting 1P and 2P server platforms, the EPYC 9005 series supports DDR5 memory speeds of up to 6000MT/s across twelve memory channels per processor, with up to 192 cores (384 threads).

Target Uses
Artificial intelligence Financial services Product design
Cloud computing Media and entertainment Supercomputing
Data and analytics Networking and telco Virtualisation

At A Glance

AMD 5th Generation EPYC™ (Turin) 9005 Series

  • Supports up to 6TB (Terabytes) of memory per processor
  • Supports DDR5 Registered DIMMs* up to 6000MT/s, equivalent to transfer rates of 48GB/s per module

 

Memory Architecture

Memory architecture is based on twelve channels arranged in two banks per processor. Each processor can be configured with 12 or 24 modules, depending on the motherboard layout, to achieve the maximum aggregated memory bandwidth.

  • 12 memory channels per processor
  • Up to 2 DIMMs per channel
  • Up to 24 DIMMs per processor

 

Population Rules

Turin 12 Channel layout

AMD 5th Gen EPYC (Turin) 9xx5 Series SP5 1P/2P, 12 Socket, 1 DPC

No Mixing of DIMM module types. All must be RDIMM module types with the same ECC configuration (x72 / x80).

No mixing of x4, x8, 16Gbit, 24Gbit, 32Gbit

Turin 24 Channel layout

AMD 5th Gen EPYC (Turin) 9xx5 Series SP5 1P/2P, 12/24 Socket, up to 2 DPC

No Mixing of DIMM module types. All must be RDIMM module types with the same ECC configuration (x72 / x80).

No mixing of x4, x8, 16Gbit, 24Gbit, 32Gbit

AMD 5th Gen EPYC (Turin) 9xx5 Series

 
SP5 1P/2P, 12 Socket, 1 DPC
 
SP5 1P/2P, 12 Socket, 1 DPC
Motherboard Configuration
Motherboard Configuration
12 Channel, 12 Sockets Per CPU, 1 DPC
Module Type
Module Type
1 DIMM Per Channel, 1 DPC
Registered DIMM (RDIMM)
Registered DIMM (RDIMM)
6000 MT/s
 
Motherboard Configuration
Module Type
Registered DIMM (RDIMM)

AMD 5th Gen EPYC (Turin) 9xx5 Series

 
SP5 1P/2P, 24 Socket 1 DPC
SP5 1P/2P, 24 Socket 2 DPC
 
SP5 1P/2P, 24 Socket 1 DPC
SP5 1P/2P, 24 Socket 2 DPC
Motherboard Configuration
Motherboard Configuration
12 Channel, 24 Sockets Per CPU, 1 DPC
12 Channel, 24 Sockets Per CPU, up to 2 DPC
Module Type
Module Type
1 DIMM per Channel, I DPC
2 DIMM per Channel, 2 DPC
Registered DIMM (RDIMM)
Registered DIMM (RDIMM)
5200 MT/s
4400 MT/s (1R+1R)
4000 MT/s (2R+2R)
 
Motherboard Configuration
Module Type
Registered DIMM (RDIMM)
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