Single Gigbyte 7970 oc 1000mhz Power Consumption Requirement

[elvos]

How much Power (Watts) dose a single gigabyte 7970 OC 1000Mhz On max consume all on its own require

I ask cause

i have 2 7970s on a Sea sonic 1050watt 80 plus Gold

I wanna get a 3rd 7970

my plan is buy a Azza Genesis 9000 and get a 2nd power supply to power the 3rd video card on its own

Ive seen around 355 watts at max put that's from the wall from what i understood

My mother board is the Mpower z77

I was also wondering what the best proficiency to go with is bronze good enough or should i go for higher for better life and quality

 

[realchaos]

Why would you even want to triple-crossfire a 7970? AMD has horrible drivers for crossfire, and you probably aren't noticing much difference between a single 7970 and dual 7970.

 

[M7ammad]

sell both of them and get 2x770 GTX and forget about something called AMD and "Cross-Fire" that have never worked

 

[ultimate noo]

it uses 1x8-pin=150Watt & 1x6-pin=75Watt 150+75=225Watt give it +25Watt my recomendation 250Watt