Unit Dimensions:2.75 x 3 3/8 x 6 7/8-inches (H x W x D) ApproximatelyGeneral Features:250 watts(2) SATA power connectors(1) 14-inch ATX power connector (supports both 20-pin and 24-pin configurations)(1) 14-inch 12V ATX power connector(2) large power connectors(1) Small power connectors