What PSU should I get for this build?

This is my build:

CPU: AMD Vishera FX-8350, Octa-Core
Motherboard: ASUS Sabertooth 990FX R2.0
Soundcard: 7.1
RAM: Crucial Ballistix Sport 8GB DDR3-1600
HDD: 500 GB SataIII
GPU: AMD Radeon HD 7970 3GB
Wifi Card: TP-Link 450Mbps
Monitor: BenQ GW2255 22 Inch Full-HD / LED / DVI / VGA, 1920x1080
OS: Windows 7 Home Premium 64Bit

What PSU should I get:

- 600 Watt Cooler Master PSU
- 700 Watt Cooler Master PSU (20 bucks more than 600W)
- Cooler Master Silent Pro M2 1000W PSU (100 bucks more than 600W, 80 bucks more than 700W)
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  1. Best answer
    1. Go to the manufacturer's web site for your GFX card by searching on "AMD 7970 System Requirements"

    2. Click on System requirements tab

    3. Read the req'd PSU size
    500W (or greater) power supply with one 150W 8-pin PCI Express power connector and one 75W 6-pin PCI Express power connector recommended.

    Guru3D is also a great source of this info,8.html


    Radeon HD 7970 - On your average system the card requires you to have a 550 Watt power supply unit.
    Radeon HD 7970 Crossfire - On your average system the cards require you to have a 750 Watt power supply unit as minimum.

    If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina.

    4. Coolermaster should not be on you list of desired suppliers.

    1st Tier - Corsair AX / HX series (except HX1000 and 1050), Seasonic X Series
    2nd Tier - Corsair TX V2 Series, Antec HCP / HCG series, XFX Core Edition, Seasonic MD series

    Other liens from above manufacturers like Corsair TX suffix M, Corsair CX, Antec Basiq, Antec Neo etc are ones id skip
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