Antec EA-450 Platinum 450 Power Supply 450W Continuous Power - Guaranteed 450W of Continuous Power from Antec, 80 PLUS PLATINUM certified - Up to 93% efficient, to reduce your electricity bill, by up to 25% with the new EA-450 Platinum. Thermal Manager - An advanced low voltage fan control for optimal heat & noise management, all cooled by a 120 mm DBB Silence - Whisper-quiet high-quality double ball bearing fan with a long lifetime! High Current Rails - 2 fully-protected High Current +12V rails with high load capabilities ensure maximum CPU & GPU compatibility. Our power distribution is; +5v@16A, +3.3v@16A, +12v1@30A, +12v2@30A, -12v@.3A, +5VSB@3A. CircuitShield - Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Short Circuit Protection (SCP), Over Power Protection (OPP), Surge & Inrush Protecion (SIP), No Load Operation (NLO) & Brown-Out Protection (BOP) Safety Approvals UL, cUL, CB, CE, FCC, TV, BSMI, CCC, C-Tick, GOST-R, KCC Operating Temperature 0C - 50C Voltage, 100-240 +-10% Frequency Range, 50Hz-60Hz Current, 8-4A Efficiency Up to 93%