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Overclocking and Power Usage?

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December 6, 2012 9:39:16 PM

I am planning to overclock my GPU and my CPU...will I have enough power for that and an additional GPU in the future? Here's my setup:

SDD: Seagate Barracuda ST1000DM003 1TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
GPU: SAPPHIRE 100355-1GOCL Radeon HD 7850 1GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card OC Version (overclocked)
CPU: Intel Core i5-3570K Ivy Bridge 3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000 BX80637I53570K (overclocked)
PSU: Thermaltake TR2 TR-700 700W ATX 12V V2.3 & EPS 12V SLI Ready CrossFire Ready Active PFC Power Supply (is this enough for an additional gpu in the future?)
Motherboard: MSI Z77A-G45 LGA 1155 Intel Z77
CPU Fan: ARCTIC Alpine 11 Pro Rev 2 CPU Cooler for Intel
RAM: G.SKILL Trident 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 2400

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December 6, 2012 11:54:03 PM
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I had my 3570k oc'd to 4.5 and ran my two 260 in SLI, I've upgraded to a 5870. I'm using a 650w psu so you should be good.
a b K Overclocking
December 6, 2012 11:59:55 PM

Ok.. You should be fine. At 4.5Ghz that CPU is only going to run maybe 100w or so and the GPU? Maybe 250 max? The rest isn't going to use too much so you're probably looking at 500-550w max . That 700W should run that no problem.

December 7, 2012 12:29:05 AM

Best answer selected by cabaton.
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