OEM D250AD-00 250W Power Supply for Dell OptiPlex 3010 / 390 / 790 / 990 (24‑pin, SATA, 4‑pin & Floppy)

Replacement OEM D250AD-00 250W PSU for Dell OptiPlex desktops. Built for reliable everyday use, this compact power supply delivers stable power to system components while offering a durable, practical design. Compatible with OptiPlex 3010, 390, 790 and 990 models (MT / SFF), it fits space‑constrained chassis thanks to its ultra‑thin dimensions of 5 x 8.5 x 6.5cm. Output: 250W maximum. Connectivity includes a 24‑pin main connector, SATA connectors, a 4‑pin connector and a floppy disk connector to support a variety of drives and peripherals.