Chieftec Value APB-500B8. Total power: 500 W, AC input voltage: 230 V, AC input frequency: 50 Hz. Motherboard connector: 20+4 pin ATX, Cable type: Nicht-modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 Plus certification: 80 PLUS. Product colour: Silver, Cooling: Active, Fan diameter: 12 cm. Certificates of conformity: RoHS, Certification: CE, CB, TUV, EAC