Read our Dell desktop power supply buying guide for help choosing a compatible replacement.
| COMPATIBILITY | Dell OptiPlex 3090 — SFF configuration |
|---|---|
| POWER OUTPUT | 200W |
| FORM FACTOR | SFF |
| POWER CONNECTOR | 1 × 6-Pin system-board connector; 2 × 4-Pin 12V connectors. |
| COMPATIBLE PART NUMBERS | 664DM, CPX-664DM. Match the original PSU label, wattage and connector layout. |
| ESTIMATED WEIGHT | Approx. 0.80 kg (PSU unit only; excludes packaging) |





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