Dell C3760 305w Power Supply Fits Dimension 4700 and Optiplex GX280 Tower Systems Compatible Part Numbers: Y2103, G3148, Y2682 Compatible Model Numbers: PS-6311-1DFS, NPS-305AB C, PS-6311-1DS, NPS-305BB C Replaces the Following Dell Part/Model Numbers: W4827, U4714, D6369, PS-5251-2DF2, HP-P2507FWP3, NPS-250KB J, NPS-250KB C Replaces the Following Dell Part Numbers: W4827, U4714, D6369 305 Watt Max Output 100-120V or 200-240V Input Dell Part Number: C3760 Connectors: 1x 24-Pin ATX Power Connector, 1x 6pin Dell Proprietary Connector, 1x 4pin ATX Power Connector, 2x SATA Power Connectors, 3x Molex Connectors, 1x Floppy Power Connector