Dell OptiPlex 780 USFF 180 Watt Power Supply (K350R L180EU-00) Input: 100-240V 50-60Hz, P1 - Main 8-Pin Motherboard Connector Output: 180W Max, P2 - 4-Pin 2x2 connector Part Number: K350R, M178R Model Number: L180EU-00, F180EU-00 Other Part Numbers: PS-3181-9DA-RoHS, VP-09500096-000