Lenovo ThinkSystem SR665 V3 User Manual page 14

Memory
See "Memory module installation rules and order" on page 51
setup.
• Slots: 24 dual inline memory module (DIMM) slots (12 channels per processor, 1 DIMM per channel)
• Memory module types:
– TruDDR5 RDIMM: 16 GB (1Rx8), 32 GB (2Rx8), 96 GB (2Rx4)
– TruDDR5 10x4 RDIMM: 32 GB (1Rx4), 64 GB (2Rx4)
– TruDDR5 9x4 RDIMM: 32 GB (1Rx4), 64 GB (2Rx4)
– TruDDR5 3DS RDIMM: 128 GB (4Rx4), 256 GB (8Rx4)
• Capacity:
– Minimum: 16 GB (1 x 16 GB RDIMM)
– Maximum: 6 TB (24 x 256 GB 3DS RDIMM)
• Speed: 4800 MT/s
For a list of supported memory modules, see
Internal drives
• Front drive bays:
– Up to 24 x 2.5-inch hot-swap SAS/SATA/NVMe drives
– Up to 12 x 3.5-inch hot-swap SAS/SATA drives
– Up to 4 x 3.5-inch hot-swap NVMe drives
• Middle drive bays:
– Up to 8 x 2.5-inch hot-swap SAS/SATA/NVMe drives
– Up to 4 x 3.5-inch hot-swap SAS/SATA drives
• Rear drive bays:
– Up to 8 x 2.5-inch hot-swap SAS/SATA drives
– Up to 4 x 3.5-inch hot-swap SAS/SATA drives
– Up to 4 x 2.5-inch hot-swap NVMe drives
– Up to two 7mm drives
• Up to two internal M.2 drives
Expansion slots
• Up to 12 PCIe slots
• One OCP module slot
PCIe slot availability is based on riser selection and rear drive bay selection. See
slots and PCIe adapters" on page
ThinkSystem SR665 V3 User Guide
4
https://serverproven.lenovo.com/
54.
for detailed information about memory configuration and
.
"Rear view" on page 24 and "PCIe