VIO 550W ATX 20/24-Pin with SATA 2-LED Speed Control Fan Power Supply 550W Aluminum/Acrylic Power Supply with Dual Blue LED Fans This ATX power supply features 550-watts of power with a Serial ATA (SATA) connector, six large 4-pin power connectors, and two small power connectors. There are two fans that glow a bright blue LED when the system is on, and features a chrome knob that adjusts fan speed and thermal degree. Styled in an aluminum and clear acrylic finish, this power supply offers maximum performance for your PC gaming needs! Features Aluminum and Clear Acrylic finish 550 watts total Two (2) 80 mm LED fan s that glows blue and red Adjustable chrome knob that adjusts fan speed and thermal degree One (1) 20-inch ATX connector One (1) 20-inch ATX12V connector One (1) 20-inch ATX Auxiliary connector(Optional Item) One (1) Serial ATA (SATA) power connector Six (6) large 4-pin power connectors Two (2) small power connectors Supports Intel P4 and AMD motherboards ATX ver 2.03 & ATX 12V ver 1.1 compliant Works with Always "On" applications High energy power Low ripple Short circuit protection Overload protection Power Specifications 115V, 230V switchable power supply +3.3V, 28A +5V, 40A +12V, 25A -12V, 0.8A -5V, 0.5A +5Vsb, 2.0A Unit Dimensions: 3.25 x 5.75 x 6.5-inches (H x W x D) Regulatory Approvals: FCC, CB, TUV & UL