Power supply for crossfire asus radeon hd 7770

hi i like to know if my powercool 750watts power supply will be powerful to run 2 asus radeon hd 7770's in crossfire and would like to know a good motherboard to run the 2 gpu's i was thinking to buy the asrock 970 Extreme 4 but i dont understand the specs between diffident motherboards and i live in the uk.

Powercool 750watts (what i got)
http://www.scan.co.uk/products/750w-powercool-pc750um-modular-80-eff-80-plus-sli-crossfire-eps-12v-quiet-fan-atx-v22-psu

Asus Radeon HD 7770 ( got 2 of these )
http://www.scan.co.uk/products/1gb-asus-radeon-hd-7770-4600mhz-gddr5-28nm-gpu-1020mhz-640-cores-dual-link-dvi-i-hdmi-2x-mini-displa

ASRock 970 Extreme 4 ( thinking of buying )
http://www.scan.co.uk/products/asrock-970-extreme-4-am3plus-amd-970-atx-4-d3-2100-glan-usb-30-esata

my other specs
cpu - amd fx4170 @ 4.2
ram - Kingston 8GB DDR3 1600MHz HyperX Memory (KHX1600C9D3K2/8G)
hhd - seagate 300gb 7200rpm
mb - asrock 960GM-GS3 FX ( what i got at the mo)
monitor - a old Compaq 7500 15" 85 MHz crt at 1280x1024 ( will be replacing some time soon )

if any one could help me it would be great, i got about £100 for new motherboard
thanks
simon
2 answers Last reply
More about power supply crossfire asus radeon 7770
  1. Yes the 750 watt supply will be adequate.
  2. cool thanks for that, i wasn't to sure now i just need to get the motherboard to run crossfire i just not to sure which one to get that will work great/good to run my setup i got
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