Technical specifications
Lenovo ThinkSystem SR635 — 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 | 1 |
| CPU Family | AMD EPYC 7002 (Rome) / 7003 (Milan), up to 64 cores, 280W TDP |
| Chipset | AMD SoC |
| Max RAM | 2 TB (16 DIMMs) |
| DIMM Slots | 16 TruDDR4 (8 channels, 2 DPC) |
| Memory Type | TruDDR4 RDIMM/3DS RDIMM, up to 3200 MHz (1 DPC) / 2933 MHz (2 DPC) |
| Drive Bays | Up to 16 x 2.5" hot-swap SAS/SATA/NVMe, or 4 x 3.5" hot-swap SAS/SATA; plus 2 x 2.5" rear |
| Storage Controller | Onboard SATA (12 drives, no RAID); optional RAID 530-8i/540-8i/730-8i/930-8i/16i/940-8i/16i, HBA 430-8i/16i/440-8i/16i |
| Network | OCP 3.0 SFF slot (PCIe 4.0 x16), 1/10/25 GbE adapters; PCIe slots for 1/10/25/100 GbE, InfiniBand |
| PSU | Up to 2x redundant hot-swap: 550W/750W/1100W/1600W AC 80 PLUS Platinum/Titanium; 1100W -48V DC |
| Form Factor | 1U rack-mount |
| Management | ASPEED AST2500 BMC, IPMI 2.0, Redfish, SNMP v3, Lenovo XClarity Administrator/Provisioning Manager |
| Dimensions | 440 x 43 x 755 mm (W x H x D) |
| Weight | Up to 19.2 kg |
| GPU Support | Up to 3 single-width GPUs (≤75W): NVIDIA T4, A2, Quadro P620 |
| Cooling | 7 dual-rotor hot-swap fans (N+1 redundant) |
| PCIe Slots | Up to 4 PCIe 4.0 (3 rear, 1 internal) + dedicated OCP 3.0 |
| Operating Environment | ASHRAE A2 (10-35°C) |
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