| Model | Dell PowerEdge R640 |
| Form Factor | 1U Rack Server with Dual Processor Sockets |
| Processor | Up to 2x 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores per CPU |
| Memory | Up to 2TB DDR4 2933MHz RDIMM/LRDIMM |
| RAID / Storage Controller | PERC H330, HBA330, HBA350i (adapter only), H730P, H740P, H750 (adapter only) |
| Expansion / IO Slots | 3 x Gen3 PCIe slots, all x16 |
| Remote Management | iDRAC9, iDRAC Direct |
| Power Supply | Up to 2 Hot-swap PSU, redundant options |
| Connectivity | Supports network and storage expansion via PCIe slots |
| Operating System | Compatible with Windows Server, Red Hat, VMware ESXi, and other major OS |
| Dimensions (H × W × D) | 86.8mm × 434mm × 715.5mm |
| Weight | 28.5 kg |