The AMD 5th Generation EPYC™ processor platform (Turin) is built on AMD’s Zen 5 microarchitecture, designed to deliver higher performance, improved efficiency, and scalability for today’s demanding data center workloads. Supporting 1P and 2P configurations, the EPYC 9005 Series provides twelve DDR5 memory channels per processor, with speeds up to 6000MT/s for enhanced bandwidth and responsiveness. With configurations offering up to 192 cores and 384 threads, the Turin platform delivers the compute power and memory throughput required for intensive enterprise, virtualization, and HPC applications.
| Target uses | ||
| Artificial intelligence | Financial services | Product design |
| Cloud computing | Media and entertainment | Supercomputing |
| Data and analytics | Networking and telco | Virtualization |
At a glance
AMD 5th Generation EPYC™ (Turin) 9xx5 Series
- Supports up to 6TB (Terabytes) of memory per processor
- Supports DDR5 Registered DIMMs* up to 6400MT/s, equivalent to transfer rates of 51.2GB/s per module
* Turin does not support DDR5 LRDIMM, DDR5 UDIMM, NVDIMM-N, and NVDIMM-P module types.
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
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
AMD 5th Gen EPYC (Turin) 9xx5 Series - SP5 1P/2P, 24 Socket, 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 chipset population rules
AMD EPYC™ (Turin) 9xx5 SERIES – SP5 1P/2P, 12 Socket - 1 DPC
(12 Channel, 12 sockets per CPU, 1 DPC)
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|---|---|
| Module Type | 1 DIMM per Channel (1 DPC) |
| Registered DIMM (RDIMM) | 6400MT/s |
AMD 5th Gen EPYC (Turin) 9xx5 Series - SP5 1P/2P, 24 Socket - 2 DPC
(12 Channel, 24 sockets per CPU, 2 DPC)
![]() | ![]() | |
|---|---|---|
| Module Type | 1 DIMM per Channel (1 DPC) | 2 DIMMs per Channel (2 DPC) |
| Registered DIMM (RDIMM) | 5200MT/s | 4400MT/s (1R+1R) 4000MT/s (2R+2R) |

