Dell PowerEdge uses letter prefixes to identify server form factors and series. Here is what each letter means.
Series Guide
| Prefix | Form Factor | Examples |
|---|---|---|
| R | Rack server | R660, R760, R960 |
| T | Tower server | T160, T360, T560 |
| M / MX | Modular (blade) | MX760c (blade in MX7000 chassis) |
| C | Cloud / Scale-out | C6620 (multi-node) |
| XE | Extreme / GPU | XE8640, XE9680 (AI servers) |
| XR | Rugged / Edge | XR4000, XR7620 |
Number format: first digit = socket count (6=1-socket, 7=2-socket, 8=2S-premium, 9=4-socket). Second digits = generation tier.