Technical specifications
Lenovo ThinkSystem SR950 — Full Technical Specifications
Official datasheet
Original spec sheet © Vendor. Hosted by hardwaresys for buyer reference. Specifications subject to vendor’s published documentation.
Full Specifications
| CPU Sockets | 2-8 (expandable from 2 to 8 processors) |
| CPU Family | Intel Xeon Scalable (1st Gen Skylake / 2nd Gen Cascade Lake), Gold/Platinum, up to 28 cores, up to 205W TDP, up to 3.8 GHz |
| Chipset | Intel C624 |
| Max RAM | 24 TB (96 x 256 GB 3DS RDIMM); up to 36 TB with DCPMM (24 TB persistent + 12 TB DRAM) |
| DIMM Slots | 96 TruDDR4 (12 per CPU) |
| Memory Type | TruDDR4 RDIMM/LRDIMM/3DS RDIMM 2666/2933/2933 Performance+ MHz; Optane DC Persistent Memory up to 48 x 512 GB |
| Drive Bays | Up to 24 x 2.5" hot-swap SAS/SATA; up to 12 AnyBay (NVMe support) |
| Storage Controller | RAID 530-8i/540-8i/730-8i/930-8i/16i/940-8i/16i; HBA 430-8i/16i/440-8i/16i |
| Network | Intel X722 10Gb via PCH; LOM slot (1/10 GbE); ML2 slots (1/10/25 GbE, InfiniBand) |
| PSU | Up to 4x hot-swap N+N redundant: 1100W (auto-sensing), 1600W, 2000W (200-240V), 80 PLUS Platinum |
| Form Factor | 4U rack-mount |
| Management | XClarity Controller Enterprise (standard), XClarity Administrator, XClarity Energy Manager, IPMI 2.0 |
| Dimensions | 447 x 176 x 851 mm (17.6 x 6.9 x 33.5 in) |
| Weight | 32.6-58.7 kg |
| GPU Support | Not supported (full-length cards do not fit) |
| Cooling | 6 hot-swap fans per compute tray (N+1), 19K RPM fans for ASHRAE A4 support |
| PCIe Slots | Up to 17 rear PCIe 3.0 (FHHL or LP) + 2 internal dedicated for RAID/HBA + 1 M.2 |
| Operating Environment | ASHRAE A4 (up to 45°C) with restrictions |
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