Brand: Dell · SKU: PS-6311-6DM-LF · MPN: PS-6311-6DM-LF · Category: Components
This is a genuine Dell 305W Power Supply Unit (PSU) compatible with the Dell OptiPlex 980 Mini-Tower (MT) chassis. It is often cross-referenced with part numbers L305P-03 and M177R. It is crucial to note that this unit uses a mini 24-pin Molex (Black) P1 connector to the motherboard, which is specific to certain Dell configurations and is NOT the standard 24-Pin (White) Molex connector found on other systems. The power output is 305W. Connectors typically include one mini-24-Pin ATX Connector (P1), one 12V ATX Connector (P2), one Floppy Connector (P7), four SATA Connectors (P3, P5, P8, P9), and one 4-Pin 2x2 connector to the motherboard. It is designed for the Mini-Tower (MT) form factor only.
| Model Number | L305P-03 / M177R |
|---|---|
| SATA Connectors | 4 |
| Compatible System | Dell OptiPlex 980 MT (Mini-Tower chassis only) |
| Maximum Power Output | 305W |
| Floppy Drive Connectors | 1 (P7) |
| Motherboard Connector Type | mini 24-Pin Molex (Black) P1 Connector |
| Warranty | Varies by seller (e.g., 90 day CPI limited warranty or 60-day Non-D.O.A. warranty reported in listings) |
| Weight | N/A |
| Dimensions | 150mm x 98mm x 140mm (based on a similar Dell PSU, PS-6311-6DF1-LF) |
A 305W replacement power supply unit specifically for the Dell OptiPlex 980 Mini-Tower computer. Verified compatible part number for Dell MT systems.
Yes, this DELL M177R 305W PSU Optiplex 980 MT L305P-03 PS-6311-6DM-LF (PS-6311-6DM-LF) is 100% genuine Dell hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This DELL M177R 305W PSU Optiplex 980 MT L305P-03 PS-6311-6DM-LF includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the PS-6311-6DM-LF.