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Tx750 or tx850 for CF-7970s, OC-i5-3570k

Last response: in Components
November 25, 2012 6:24:55 PM

Would a Corsair tx750 be enough to power my build, or should I upgrade to a Corsair tx850?

overclocked i5-3570K @ 4.7GHz
dual 7970s with slight overclock
four 1tb hard drive
a b ) Power supply
November 25, 2012 7:55:20 PM

7970 CF draws 520 on load so 750W would be enough.

520W Gpu
77W Cpu
16W Ram
15W Hdd
25W Dvd

=655W add some OC and goes 700W

Tx 750 can easily deliver up to 900W so u dont need to upgrade.