Lenovo ThinkSystem SR950 V3 System Configuration Manual page 12

Processor
Supports eight Intel Xeon processors up to 350W TDP, with integrated memory controller and Intel Mesh UPI (Ultra
Path Interconnect) topology.
• Designed for LGA 4677 sockets
• Scalable up to 60 cores
• Supports 4 UPI links per processor supporting 12.8 GT/s, 14.4 GT/s and 16 GT/s speeds
For a list of supported processors, see:
Memory
See "Memory module installation rules and order" in User Guide or Hardware Maintenance Guide for detailed
information about memory configuration and setup.
• 128 dual inline memory module (DIMM) slots
• Memory module type:
– 10x4 RDIMM: 32 GB or 64GB
– 3DS RDIMM: 128 GB or 256 GB
• Speed:
Note: Operating speed depends on processor model and UEFI settings.
– 4800 MT/s for 1 DIMM per channel
– 4400 MT/s for 2 DIMMs per channel
• Minimum memory: 256 GB
• Maximum memory: 32 TB
For a list of supported memory modules, see
Internal drives
The server supports up to two internal 960 GB NVMe M.2 drives with 80 mm (2280) form factor.
For a list of supported M.2 drives, see:
Storage expansion
Up to sixteen 2.5-inch or E3.S drives
For a list of supported drives, see:
Expansion slots
• Six front PCIe slots
• Up to eight rear PCIe slots
• One OCP module slot (optional)
• One rear Ethernet slot (optional)
Note: PCIe slot availability is based on riser card selection.
ThinkSystem SR950 V3 System Configuration Guide
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