240W SFF Power Supply for OptiPlex — Compatible with H240AS-00 H240AS-01 H240ES-00 D240ES-00 (YIWEI)

Replacement 240W power supply crafted for Small Form Factor Dell OptiPlex systems, including 390 and 790 series models. This unit is compatible with and can replace part numbers H240AS-00, H240AS-01, H240ES-00 and D240ES-00 and is supplied under the YIWEI name. Each power supply is put through full aging diagnostics and includes short-circuit protection to help ensure reliable performance in everyday use. The enclosure is constructed from durable metal with a silver finish to match system aesthetics. Physical size is 9 x 9.45 x 2.5 inches — verify your chassis dimensions before purchasing to confirm fit. Provides standard connector support with P1 24-pin ATX and P2 4-pin ATX power connections for hooking up essential components.