Summary: This powerful power supply deliver 850Watts true power to meet today"s high-end system requirements, Silent and heat resistant dual fans with smart temperature and automatic fan speed control, It supports Core 2 Dual and Quad Core Processors, Nvidia Sli and Quad SLi is compatible, Dual EPS-12V output support Intel Skulltrail platform systems, This 850W power is for new OEM PC and server assemblies, including MiniServers and rackmount servers, It supports both 20- or 24-pin ATX v, 2, 2 and EPS-12V Xeon motherboards, It also includes four PCI Express 6pin/8pin connectorsfor Multi-GPU graphic card, which can supply power to advanced Graphics cards require Dual 6pin or Dual 8pin, ACTIVE PFC Auto switch is built-in, This power supply supports Intel® Skulltrail and Core i7 platform systems, General Information:, Dual EPS-12V 8pin for Intel Skulltrail, Auto Switch PFC, High efficiency, Low Ripple and Noise, Output over voltage protection, Short circuit protection on all outputs, Reset table power shut down, Two 12 VDE Ball-Bearing Smart Fans, Approved by FCC, TUV, UL, CB and CE, 24Pin (20+4) ATX Connector, Dual 8 Pin EPS-12V Support Quad CPU Xeon M/B, Maximum Power Continuous 850W at 40 degrees C, PCI Express 6 Pin/8 Pin Ready for Muti-GPU Graphic Card, SATA Power Lead Ready, FCC part 15 subpart J Class B at 115VAC operation and CISPR 22 Class B at 230 VAC operation, 100% burn-in under high ambient temperature (50¢J), Vacuum-impregnated transformer, 100% Hi-pot tested, Dimension: 5, 75""W x 3, 25""H x 6, 25""D, Power Description:, Output Power: 850W, Input Voltage: 115V/230V AC, Frequency: 60/ 50 Hz, Voltage(Output): +5V, -5V, +12V1, +12V2, +12V3, +12V4, -12V, +3, 3V, +5V-SB, Current(Output): 24A, 14A, 14A, 14A, 14A, 0, 8A, 24A, 4A, (+5V and +3, 3V Combined Output 210Watt, Peak Surge Max, Output 885Watt), Warranty: 3 year, Technical Information:, Fan: Dual Fan, MTBF: 100000 Hours at 25 degrees C, Connectors: 24pin(20+4) ATX 4pin P4-12V 4pin Molex 4pin FDD 15pin SATA2 6pinPCI Express 8pin EPS-12V, SKU: ATHCPC053