The Chieftec Proton 650W BDF-650C is an ATX power supply for desktop computer builds. Its 650 W rated output supplies power to a system, while the ATX 12V 2.3 specification and PS II form factor identify its power-supply format.
It has 80 PLUS Bronze efficiency and active PFC. A 140 mm fan is fitted, and the enclosure measures 160 × 150 × 87 mm (depth × width × height).
The listed connections include a 24-pin (20+4) motherboard plug, an 8-pin EPS (4+4), four 8-pin PCI-E (6+2), six SATA and three Molex connectors. These options support connecting the corresponding components in a desktop build.