Need help with PSU!

Hi, I really can't decide which psu I should go with. Can someone kindly help me find psu that I should get?

other parts are:

CPU - i5 2500k
MOBO - Asrock z68 extreme3 gen3 or asrock p67 extreme4 gen3
GPU - hd 6870
Case - HAF 912/922
ram - gskill 2x4gb
hdd - samsung f3

cpu overclock - yes
crossfire/sli - not sure

I'm trying to get 750w, so if I want crossfire in future, I don't have to buy psu again

These are my choices

PC Power and Cooling Silencer Mk II 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817703027

OCZ ZS Series OCZ-ZS750W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341049

CORSAIR Enthusiast Series TX750 V2
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021

Antec High Current Gamer Series HCG-750 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371049
9 answers Last reply
More about need
  1. I would toss a coin between the Antec and the Corsair. Probably get the Antec because do not have to deal with MIR.
  2. You can accurately determine what PSU power is required in watts and amps. on the 12v rail from the link below. It's straight forward and easy so no guessing is required. Then you will have an idea if you are maxing out your PSU. It will also show you how to determine which model PSUs are quality PSUs that can deliver the necessary power for your PC if you need a new one.

    http://www.tomshardware.com/forum/314712-28-please-read-determine-power-required

    KNOWLEDGE IS POWER AND LEARNING IS FUN ! ;)
  3. Thanks for the inputs guys, but is it worth paying more money to get corsair or antec psu? OCZ ZS 750 I have up there is like $20 bucks cheaper. I forgot to mention that i'm on tight budget
  4. nadude said:
    Thanks for the inputs guys, but is it worth paying more money to get corsair or antec psu? OCZ ZS 750 I have up there is like $20 bucks cheaper. I forgot to mention that i'm on tight budget

    You'd be silly not to buy one of the Seasonic made XFX models i listed -cheaper then the anything you've listed.
    Buy whatever you want.
    Do you have an aversion to NCIX shipping for free out of California?
  5. no, i don't lol, I was just gonna buy all the parts from newegg, and the prices of psu that you listed are higher in newegg
  6. nadude said:
    no, i don't lol, I was just gonna buy all the parts from newegg, and the prices of psu that you listed are higher in newegg

    Might be the reason why i didn't use Newegg.
    NCIX is #1 in Canada = same rep as Newegg has in the US.
    NCIX now has facilities in California = good for you competition = lower prices
    I buy all my parts from whoever is cheapest when i build.
    Could be 2 or 3 vendors.
  7. xfx pro750 looks nice in price from ncix. So, is this psu better than corsair tx750 v2 in terms of performance? Or they are about the same since both are seasonic made
  8. I would definitely opt for Seasonic.
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