| Model | Lenovo ThinkSystem SR250 |
| Form Factor/Height | 1U rack, Height: 43mm, Width: 434.6mm, Depth: 497.8mm (19.6'') |
| Processor (Max) | 1-socket Intel® Xeon® E-2100 processors, up to 6 cores at 95W |
| Memory | Up to 64GB of 2666MHz TruDDR4 ECC UDIMMs (4 slots) |
| Disk Bays - Maximum Internal Storage | 4x 3.5'' simple- or hot-swap SATA drives |
| 4x 2.5'' simple-swap SATA/SAS drives | |
| 10x 2.5'' hot-swap SATA/ SAS/ SSD drives | |
| 8x 2.5'' hot swap SATA/SAS/SSD drives + 2 x 2.5'' NVMe drives | |
| Expansion Slots | 1x 16-lane or 2x 8-lane PCIe 3.0 slots |
| 4-lane PCIe Gen3, x8 internal RAID slot | |
| RAID Support | Software RAID supports simple swap and hot swap |
| Multiple RAID configurations (common with ThinkSystem) | |
| Power Supply | Fixed power supply unit 300W Gold, dual redundant AC (450W, Platinum) |
| Network Interface | 2x 1GbE ports embedded, 1x 1GbE dedicated management |
| USB Ports/VGA Ports | Front: 1x USB 2.0, 1x USB 3.1 Gen1, support XCC mobile |
| Rear: 2x USB 3.1 Gen1, 1x Serial COM, 1x VGA | |
| Systems Management | Lenovo XClarity, Administrator with mobile option, optional National Z TPM 2.0 |
| Operating Systems Supported | Microsoft, Red Hat, SUSE, and VMware ESXi |