ASRock PRO-650B is a 650 W power supply for desktop PCs, built to the ATX 3.1 specification and certified 80 PLUS Bronze. Its specification and standard ATX format make it suitable for desktop PC builds using an ATX power supply.
Measuring 140 × 150 × 86 mm in length, width and height, the unit has a 120 mm fan and flat cables. Connections include one 24-pin motherboard connector, one 4+4-pin EPS CPU connector and one 6+2-pin PCIe connector, for linking the main PC components.
For storage and peripherals, it provides four SATA connectors and two 4-pin peripheral connectors. The continuous 12 V output is rated at 54.1 A. These available connections can help when assembling or servicing a desktop PC.