What PSU should I get?

I'll be using an i5-4670k and an R9 270X and I was going to get the XFX 650W but I want to crossfire in the future and I don't think 650W is enough. The rest of my components:

CPU: 4670k
GPU: Asus 7870
Cooler: 212 EVO
HDD: Caviar Blue 1TB 3.5" 7200RPM
Case: Z11 Plus
Optical drive: LG GH24NS95 DVD/CD Writer
RAM: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600
Motherboard: Z87-G45

It can't be over £70
3 answers Last reply Best Answer
More about psu
  1. Perhaps a Seasonic G-750? You should be OK as long as you aren't overclocking a lot. I would recommend waiting until you are going to crossfire and upgrade to a 850+ PSU at the same time. Then again, I'm not sure how much power consumption the 270X draws.
  2. It is recommended to use 700watts 750 watt is what I would go for. Gold rated Corsair
  3. Best answer
    You might actually be able to get away with 650W with two 270x. However a 750W PSU will give you a little more headroom for overclocking and stuff.
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