In today"s power hungry world you need a PSU that can deliver, and the Rosewill RD400-2-DB does. With 400W of total output power there"s plenty of juice for the most demanding situations. Dual 12V rails with 27 amps of power provide plenty of independent, reliable power. Specifications • Type: ATX12V Ver.2.2 • Maximum Power: 400W • Fans: Dual 8cm Ball Bearing Fan • PFC: No • Main Connector: 20+4Pin • +12V Rails: 2 • PCI-Express Connector: 1 x 6-Pin • SATA Power Connector: 4 • SLI: No • CrossFire: No • Modular: No • Hold-up Time: >16ms • Over Voltage Protection: Yes • Input Voltage: 115/230 V • Input Frequency Range: 50/60 Hz • Input Current:10A @ 115V, 6A @ 230V • Output: +3.3V@20A, +5V@14A, +12V1@14A, +12V2@13A, -12V@0.3A, +5VSB@2.5A • MTBF: 100k hours at max. load, normal line and 25°C • Approvals: UL, CSA, TUV, FCC • Dimensions: 5.91" x 5.51" x 3.35"(WxDxH) Connectors • 1x 20+4 pin Main Connector • 1 x 4 pin ATX12V Connector • 1 x 8 pin EPS12V Connector • 1 x 6 pin PCI-Express Connector • 2 x 4 pin Peripheral Connector (Quick-release) • 4 x 5 pin SATA Connector • 1 x 4 pin Floppy Connector