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Will my power supply be enough for 560 ti 448 SLI?

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Jan 13, 2012
Herndon, VA
I assumed when I ordered a second 560 ti 448 that my 800 watt Corsair would be enough, but i'm starting to second guess myself. I run my system 24/7 for [email protected] and with my watt meter I have the following current measurements.

96 watts at idle
370 watts CPU & GPU folding
245 watts GPU folding
223 watts CPU folding

System components:
Case: NZXT Tempest410 Elite (2) front 120mm fans<, 2 top 140mm fans^, (1) 120mm bottom fan^
Motherboard: ASUS P8P67 PRO REV 3.1 (version 2103)
PSU: Corsair 800w
CPU: i7 2600k 3.4Ghz overclocked to 4.5Ghz
CPU Cooler: Anteck Kuhler 920
VGA: EVGA GeForce GTX 560Ti 448 Cores Classified 1280MB overclocked slightly to 845 core clock
RAM: Corsair Vengeance 16GB PC12800 DDR3 1600MHz (9-9-9-24-2T) Running at 1333 in Auto*
HDD: Intel 320 Series 160&120 GB SATA SSD