AMD 4th Generation EPYC Processor Platform “Genoa”

Based on AMD’s “Zen 4” microarchitecture, the 4th Generation AMD EPYC processor platform code-named “Genoa” targets 1P and 2P servers. AMD’s first DDR5 server system supports memory speeds up to 4800MT/s across twelve memory channels per processor, with up to 96 cores (192 threads), 128 PCIe Gen 5 lanes, 64 lanes for CXL 1.1+, and built on 5nm lithography, this processor platform revolutionizes data center capabilities for today and tomorrow’s compute demands.

Targeted Uses

  • Artificial Intelligence
  • Multi-cloud Workloads
  • HPC (High Performance Computing)
  • 5G-ready Networks
  • Next-generation virtual Networks
  • Real-time Analytics
Server Memory

At A Glance

AMD 4th Generation EPYC™ (Genoa) 7004 Series

  • Supports up to 6TB (Terabytes) of memory per processor
  • Supports DDR5 Registered DIMMs1 up to 4800MT/s, equivalent to transfer rates of 38.4GB/s per module

Memory Architecture

12 channels of memory

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

AMD Population Rules

(12 Channel, 12 sockets per CPU, 1 DPC)

 
AMD EPYC™ (GENOA) 7004 SERIES – 1DPC
 
AMD EPYC™ (GENOA) 7004 SERIES – 1DPC
Module Type/Ranks
Module Type/Ranks
1 DIMM per Channel 1 DPC
Registered DIMM (RDIMM)
Registered DIMM (RDIMM)
4800
 
Module Type/Ranks
Registered DIMM (RDIMM)

AMD Population Rules

(12 Channel, 24 sockets per CPU, 2 DPC)

 
AMD EPYC™ (GENOA) 7004 SERIES – 1 DPC
AMD EPYC™ (GENOA) 7004 SERIES – 2 DPC
 
AMD EPYC™ (GENOA) 7004 SERIES – 1 DPC
AMD EPYC™ (GENOA) 7004 SERIES – 2 DPC
Module Type/Ranks
Module Type/Ranks
1 DIMM per Channel 1 DPC
2 DIMMs per Channel 2 DPC
Registered DIMM (RDIMM)
Registered DIMM (RDIMM)
4800
4400 (1R + 1R) 4000 (2R + 1R/2R + 2R)
 
Module Type/Ranks
Registered DIMM (RDIMM)
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