Chieftec MRG-5700V. Total power: 700 W, AC input voltage: 100 - 240 V, AC input frequency: 47 - 63 Hz. Motherboard power connector: 20+4 pin ATX. Power supply unit (PSU) form factor: PS/2. Product color: Silver, Fan diameter: 1.57" (4 cm), Number of fans: 2 fan(s). Compliance certificates: RoHS