Specifications Mfr Part Number: ETL550AWT Features: 82PLUS ready - 82-88% efficiency @ 20-100% load. Compliant with 80 PLUS Bronze efficiency requirements ErP Lot 6 ready - Help system meet ErP Lot 6 2013 (<0.5W at standby mode) with high efficiency 5Vsb circuitry (With ErP Lot 6 enabled motherboard) 100% flexible flat cable design - Facilitate system installation, reduce cable clutter, and enhance internal airflow and cooling performance Japanese brand main electrolytic capacitor - Highest component standards for maximum durability and stability Durable two ball bearing fan - Durable two ball bearing fan with advanced fan speed control for optimal cooling, minimum noise, and longer lifetime 24/7 @ 40°C ready - Non-Stop industrial class performance at 40°C/104°F ambient World ready - 100-240VAC in with automatic adjustment and active PFC for global usage SafeGuard - Multiple protection circuitries of OCP, OVP, DC UVP, AC UVP, OPP, OTP, SCP SIP protects your system SpeedGuard - Advanced fan speed control for optimal cooling and minimum noise AirGuard - Patented air-inlet with optimal aero-dynamical design reduces noisy air turbulences CordGuard - Fixing the AC cord tightly to avoid accidental shutdowns of your PC Type: ATX12V Total Power: 550W Input: Current: 8A - 4A Voltage: 100V - 240V AC Frequency Range: 47 - 63Hz Power Factor Correction: Active PFC Efficiency: 82-88% efficiency @ 20-100% load Fan: 1x 120mm Fan Output: +3.3V @ 18A, +5V @ 15A, +12V @ 42A, -12V @ 0.3A, +5VSB @ 2.5A Connectors: Native Cables: 1x 20+4pin Main Connector, 1x 4+4pin CPU Connector, 2x 6+2pin PCI-Express 2.0 Connectors, 7x SATA Connectors, 3x 4pin Molex Connectors, 1x FDD Connector Dimensions: 5.9 x 3.4 x 5.5 inch