305W Genuine OEM Power Supply for Dimension 3100 5100 5150 E310 E510 E520 E521 OptiPlex GX320 GX620 PowerEdge SC430 SC440

This genuine OEM 305W internal power supply is designed for select Dimension, OptiPlex Mini Tower, and PowerEdge systems. All part numbers listed below are interchangeable replacements with the same required power output, physical dimensions, and connector configuration.

✔️ Grade A, Cleaned, Fully Tested!
✔️ Includes CPU Medics Standard 30-Day Warranty!

Technical Specifications

• Maximum Output Power: 305W
• Power Supply Type: Internal fixed-cable power supply
• AC Input: 100–120V AC, 9A, 50–60Hz
• AC Input: 200–240V AC, 4.5A, 50–60Hz
• +5V Output: 22A
• +3.3V Output: 17A
• +12VA Output: 18A
• +12VB Output: 18A
• −12V Output: 1A
• +5VFP Output: 2A
• Dimensions: Approximately 140mm × 98mm × 150mm
• AC Power Inlet: IEC C14
• Required Power Cable: IEC C13 equipment-end power cord
• Cooling: Integrated cooling fan
• Cable Configuration: Fixed and non-modular

Connectors:

• P1: One 24-pin ATX main power connector — approximately 7 inches
• P2: One 4-pin +12V processor power connector — approximately 8.5 inches
• P4: One proprietary 6-pin system connector — approximately 1.5 inches
• P7: One 4-pin floppy-drive power connector — approximately 5.5 inches
• P3 and P5: Two SATA power connectors on the same cable — approximately 16.5 and 18 inches
• P8 and P9: Two 4-pin peripheral IDE/Molex-style power connectors on the same cable — approximately 7 and 10 inches

Interchangeable / Replacement Part Numbers

C5201, C9962, CC947, CSC305-5000N, CX305N-00, D5032, FSP460-60GLC, H305N, H305N-00, H305P-00, H305P-01, HP-P3067F3P, HP-P3107F3P, HP-P3107F3P-LF, K8958, L305N-00, L305P-00, M8802, M8805, M8806, MC164, MC406

Five-character service part numbers may also be printed with a leading zero or as part of a longer regional assembly number. For example, M8806 may appear as 0M8806.

⭐ Recommended C13 AC Power Cable

This power supply has an IEC C14 AC inlet and requires an IEC C13 equipment-end power cable. The power cable is sold separately unless specifically stated in the listing.

5120P - 6FT 125V NEMA 5-15P to IEC C13 Power Cable

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on the system’s form factor and original power-supply configuration. Verify the original part number, dimensions, and connector arrangement before installation.

✔️ Dimension: 3100, 5100, 5150, E310, E510, E520, E521
✔️ OptiPlex Mini Tower: GX320, GX620
✔️ PowerEdge: SC430, SC440

☑️ Key Features

☑️ Genuine OEM 305W internal power supply
☑️ Grade A professionally cleaned component
☑️ Fully tested before shipment
☑️ Includes CPU Medics Standard 30-Day Warranty
☑️ Complete fixed-cable connector harness
☑️ Dual +12V output rails
☑️ Includes two SATA power connectors
☑️ Includes two legacy 4-pin peripheral power connectors
☑️ Integrated cooling fan
☑️ Multiple interchangeable manufacturer and service part numbers

⚙️ Fit Notes

✓ GX320 and GX620 compatibility is limited to Mini Tower configurations.
✓ This power supply is not compatible with Desktop, Small Form Factor, or Ultra Small Form Factor versions of the GX320 or GX620.
✓ The short P4 connector is a proprietary 6-pin system connector. It is not a PCIe graphics-card power connector.
✓ Match the original part number, dimensions, mounting points, connector shapes, and cable arrangement before ordering.
✓ Similar-looking 305W power supplies may use different wiring or connector configurations and should not be selected based on wattage alone.
✓ Manufacturer, model number, label design, fan grille, connector color, and cable appearance may vary between interchangeable revisions.
✓ Cable lengths are approximate and may vary slightly between manufacturing revisions.
✓ Some revisions include a manual 115V/230V input selector. Confirm that the selector is set correctly for the local AC voltage before connecting power.
✓ The IEC C13 AC power cable is sold separately unless specifically stated in the listing.