PSU powerful enough?

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Right, I currently have the system in my spec but have got a new MB, Ram and ordering CPU soon.

Anyway, In the next few weeks my system will be going to:
Core i5 750 @ 4ghz (hopefully)
MSI P55 GD80
4 GB G-Skills Ripjaw
Corsair H-50
EVGA GTX 260 SSC
3 x 500GB HDD
1 Optical
5 x 120mm fans

I think my PSU should be fine powering that, its a Corsair VX550, but Its my birthday soon and was thinking of asking for 2 x 5770's for crossfire to replace my GTX. Will my PSU be powerfull enough for;

Core i5 750 @ 4ghz (hopefully)
MSI P55 GD80
4 GB G-Skills Ripjaw
Corsair H-50
2 x Sapphire 5770 vapour X
3 x 500GB HDD
1 Optical
5 x 120mm fans

Thanks.
 
1 6pin for each card, there should be a molex to 6pin adaptor supplied with each card too.
 
THats okay then, My PSU has a 6 pin and an 8 pin PCI-E :D

Would I be better of if I removed a HDD? So If I had 2 x 500GB's instead?
 
Okay, Will do. Will be getting my system i5 based before I get the 5770's aswell so will see how much it draws then.
 
I have the i7 overclocked and 2 5850 gpus and my system pulls 430w from the wall at full load.
 
Okay, having another thought. Would a single 5870 like this be better than two 5770's in crossfire?

Am running a single 24" @ 1920x1080
 
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Would a 5870 be better @ 1920x1080? single screen. I want to run everything on the MAX possible with no lag. Or would a 5850 be enough power for a single 24"?
 
Would a 5870 be better @ 1920x1080? single screen. I want to run everything on the MAX possible with no lag. Or would a 5850 be enough power for a single 24"?

I went 5770> x2 5770> 5870> x5870 > x3 5870 trifire

My advise for gaming at that res 1 5870 will do you fine for 18m then grab another when there on the cheap 2 years from now :D
 
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