Is my psu strong enough to handle another gtx670?

nigerson

Honorable
Jan 20, 2013
7
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10,510
System specs

cpu: i7 3770k @ 4.5 turbo
cpu cooler: h100
psu: corsair hx750 (gold ranking in terms of power management)
ram: corsair 16gb LP@1600mhz
mobo:gigabyte ud3h-z77
gpu:evga gtx670 (standard edition) (Not overclocked)

Is my psu strong enough to handle another gtx 670 card? Or do I need a stronger psu?