Dell 305 Watt Power Supply for Dell Dimension and OptiPlex Computers. Dell part number, 0M8805.
Dell part numbers: CN-0M8805, 0M8805, M8805, 0U6794, U6794, D5032
Model number: CX305P-00, CSC305-5000, CX305N-00, CX3O5N-00
Compatible With: Dell Dimension: 5000, 5100, 5150, E310, E510, E520, E521, 3100Dell OptiPlex: GX520, GX620, GX280
Power Output: 305W
Connectors: 1x 24-Pin Standard ATX Motherboard Power Connector 1x Floppy Disk Drive Power Connector 2x SATA Power Connectors 2x Molex Power Connectors 1x 4-Pin ATX CPU Power Connector