Is this a good enough PSU ?

Hi , so i'm buying a 7850 next week and i'm also buying a new PSU . I ran a PSU Calculator it it said that i needed ~350w . So I was thinking about this PSU .

OCZ ModXStream Pro 500W
http://www.amazon.co.uk/gp/product/B001GLFD4U/ref=s9_simh_gw_p147_d0_g147_i2?pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=center-2&pf_rd_r=0ARK7DK5GCVJXREG1MX3&pf_rd_t=101&pf_rd_p=467128533&pf_rd_i=468294

Is it good enough for my rig ?

i5-650 , 6GB 1333MHz (3 Sticks) , 1 HDD , 1 DVD , 1 CPU Fan and the 7850.

BTW , i currently have no fans installed , so would you recommend installing an exaust fan ? And which one ? Thank you
5 answers Last reply
More about good
  1. That will be adequate. The PSU has 2 x 18A +12V rails. The HD 7850 requires 208W at full load.
    http://forums.atomicmpc.com.au/index.php?showtopic=264
    That translates into 17.3A from the +12V rail it is connected to. Personally, I would look for a PSU that has a bit more capacity on the +12V rail(s). Maybe 20A on each rail or 40A if it is a single rail PSU.
  2. clutchc said:
    That will be adequate. The PSU has 2 x 18A +12V rails. The HD 7850 requires 208W at full load.
    http://forums.atomicmpc.com.au/index.php?showtopic=264
    That translates into 17.3A from the +12V rail it is connected to. Personally, I would look for a PSU that has a bit more capacity on the +12V rail(s). Maybe 20A on each rail or 40A if it is a single rail PSU.


    I see ... This has 44A i think . What do you think ?

    http://www.globaldata.pt/index.aspx?p=ProdDetailRef&ProdRef=P1-550S-XXB9
  3. That's more like it! :)
    (I'm a fan of single rail PSUs, anyway)
    For the slight difference in price, I would go for the XFX.
  4. clutchc said:
    That's more like it! :)
    (I'm a fan of single rail PSUs, anyway)
    For the slight difference in price, I would go for the XFX.


    It's exactly the same price ;) Thanks for your help . I'm new to this forum , so how can i choose a best answer ? Thanks again :)
  5. If there's no 'best answer' button visible, don't worry about it. Enjoy your build.
Ask a new question

Read More

Power Supplies Components