Silverstone OP-1000W Power Supply with Active PFC, Quiet 12cm Ball Bearing Fan & Unique Coating Finish on Exterior.

CAPABLE OF Running Dual Radeon 4870x2 2GB Cards WITH EASE !! Or even Dual 9800GX2 / GTX260 / GTX280 Cards in SLI without Issues.

MASSIVE 80 AMPS of POWER on a single 12V RAIL, many 1200W PSU's Available CAN'T Even do this!!

*Features: upto 85% Ultra High Efficiency & Low Power Consumption
*Support Intel Pentium 4, Pentium D, Core2Duo, Core2Quad, Extreme edition & I7 CPUS
*Support AMD Athlon x2 CPU, Phenom / Phenom II
*Support Quad SLi & Crossfire multi-GPU VGA card
*Unique Double Forward Converter Design technology to enhance stability
*Compliance with 80 PLUS requirement
*RoHS ready
*6x PCI-E 6pin + 2x PCI-E 8pin connectors.


OUTPUT CURRENT CAPACITY:
+5V@30A, +3.3V@28A, +12V@80A, -12V@0.5A, +5Vs@4A. SAFETY: UL, CUL, TUV, NEMKO, CB, CE, CCC, BSMI, cTick, FCC, MIC.

Over current protection, Over power protection, Over voltage protection, Short circuit protection.

Specs:
Class-leading continuous 80A single +12V
combined output
Single PCI-E 8pin connectors
Quad PCI-E 6pin connectors
Six Serial ATA connectors
Industrial class components
Support for ATX 12V 2.2 & EPS12V
Active PFC
Japanese primary capacitors
Perfect for all Gaming PCs

This PSU Is 1 of the Most Efficient HIGH END PC Power Supplies Available. Definatly Best value for money in its class and because it runs more efficiently than other std psu's it will actually save you money on your power bill and you know your doing your bit by being GREEN helping the environment with less power wastage :)

Can surpass many competing 800w + PSU's due to its ultra efficient design, very low wastage=low PC Temps :)
 

Detailed Specs for this PSU: http://silverstonetek.com/products/p_contents.php?pno=OP1000-E&area=usa