3-year warranty Here are the specifications for the VITA-850GM power supply unit: Rated Output Power: 850W Form Factor: ATX12V V3.1 80 PLUS Certification: Gold Input Voltage: 100-240V Input Current: 11-5.5A Input Frequency: 50 -60Hz PFC: Active ≥ 0.9 Efficiency (at typical load): ≥ 90% Fan Type: HYB fan, 120mm Dimensions (L x W x H): 140 x 150 x 86 mm Operating Temp.: 40°C Protection: OCP, OVP, SCP, OPP, UVP, OTP