550 Watt 80 PLUS Bronze Certifications 100,000 Hours MTBF, Supports ATX12V V2.4 , ≥16ms (80% Load) Hold Up Time ATX 24-Pin Connectors- 1, EPS 4+4 Pin Connectors-4, PCIe (6+2)- 2, SATA Connectors- 4, Peripheral 4-Pin Connectors-4 Fan Size : 120mm, Operation Temperature : 0 - 40 °C