1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.
  2. Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

    Dismiss Notice

just orded 2 new gpu and psu will i have anough power

Discussion in 'Graphics Cards' started by woody79, 28 May 2013.

  1. woody79


    Joined: 7 Sep 2003

    Posts: 384

    will this psu be anough for 2 power my crossfire setup
    2xVTX3D HD 7870 tahiti Black Boost Edition 2048MB

    Model Number:M12II-850BRONZE
    Package Type:Retail
    Warranty: 5 Years
    Type:ATX 12V
    Continuous Power:850W

    1 x 20/24 Pin Main Power
    1 x 4+4 pin Main Power
    1 x 8 pin Main Power
    4 x 6+2 pin PCI Express Connector
    8 x 5-pin S-ATA Connector
    5 x 4-pin peripheral
    2 x Floppy Power
    PFC (Power Factor Correction):Active
    AC Input:100V to 240V
    Over Voltage Protection:Yes
    Under Voltage Protection:Yes
    Short Circuit Protection:Yes
    Over Power Protection:Yes
    Over Current Protection:Yes
    Over Temperature Protection:Yes
    Cable Type:Semi Modular
    Cable Sleeving:Black Web Full Sleeve
    Cooling System:1 x 120mm Fan
    Product Width:150mm
    Product Height:86mm
    Product Depth:160mm
    Gross Weight:3.12Kg

    Special Features:
    High Reliable Japanese Brand Capacitors
    Ample +12V Outputs
    Active Power Factor Correction [99% PF Typical]
    Smart and Silent Fan Control [S2FC]
    12cm Ball Bearing Cooling Fan
    Soft-Mount Rubber Cushions
    Multi-GPU Technologies Supported

    Package Contents:
    Power Supply Units
    UK Power Lead
    Modular Leads
    Cable Set Bag
  2. RJC


    Joined: 29 May 2005

    Posts: 28,819

    Location: Kent

    More than ample :)
  3. Gregster


    Joined: 24 Sep 2008

    Posts: 38,293

    Location: Essex innit!

  4. whyscotty


    Joined: 6 May 2012

    Posts: 9,402

    Location: Wigan

    And then some
  5. LtMatt


    Joined: 12 Jul 2007

    Posts: 34,219

    Location: United Kingdom

    And then a little bit more
  6. woody79


    Joined: 7 Sep 2003

    Posts: 384

    excellent cant wait to see what they can do picked them up cheap should be a good boost over my 580 gtx
  7. Drangueos


    Joined: 27 Apr 2012

    Posts: 3,420

    Location: London

    with 850W you can use 3 or 4 HD 7850 :p and I'm not joking
  8. Phixsator


    Joined: 10 Oct 2012

    Posts: 3,877

    Im running 2 7950 with a mild OC to 925 together with a gt 640, 3 HDDs, 1 SSD and a OCed powerhungry 8350 on a XFX Proseries XXX 850w and it doesnt give a f..k :) you be more than fine
  9. Something Else


    Joined: 19 Feb 2012

    Posts: 4,405

    Could run 2 7970's off that ;)
  10. pastymuncher

    Man of Honour

    Joined: 12 Jul 2005

    Posts: 18,952

    Location: Aberlour, NE Scotland

    If you have a Gigabyte motherboard make sure you flash to the latest bios before using the 7870 LE's. They tend to not work with older mobo bios.


    Joined: 24 Dec 2004

    Posts: 17,725

    Location: Telford

    That PSU has 70A available on the 12v rail. You will be more than fine.