OEM 160W PSU Compatible with Dell PS-5161-7D P2721 F6442 OptiPlex GX280

The PS-5161-7D is a 160W internal power supply designed as a replacement unit for select Dell Small Form Factor (SFF) and slim desktop systems. This power supply is installed internally inside the computer chassis and is intended to restore reliable power delivery for compatible Dell desktop computers. It is compatible with Dell OptiPlex GX50, GX60, GX240, GX260, GX270, and GX280 SFF systems, as well as Dell Dimension slim models including 2400C, 4500C, 4600C, and 4700C. This unit cross-references multiple Dell part numbers such as PS-5161-7D, PS-5161-7DS, PS-5161-7DS2, PS-5161-1D1S, P2721, F6442, 3N200, R5953, U5427, P0813, 7E220, and 3Y147. This product is an internal computer power supply and is not an external AC adapter or power brick. It is designed exclusively for Small Form Factor (SFF) or slim chassis systems and is not compatible with Mini Tower (MT) or Desktop (DT) configurations. Please confirm your original PSU model number and system form factor before purchase.