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Need to upgrade PSU ASAP - Help

Hey gents, Ive got to do a PSU upgrade and was just wondering what yalls thoughts were. My specs are as follows:

Windows 7 Ultimate 64bit
ASRock Z77 Extreme4
Intel i5-3570k
8GB Ram
AMD Radeon HD 6870
1TB Caviar Black
500GB Seagate External
OCZ-Vertex 30GB Solid State
450w Antec


That PSU was good for my previous build but I have upgraded to the i5, Z77 and the 1TB Internal.

Any other upgrade recommendations would be welcome! (I like my GPU a lot but would be okay to upgrade or do Crossfire with another 6870.)

Thanks!
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  1. provenancewow said:
    Hey gents, Ive got to do a PSU upgrade and was just wondering what yalls thoughts were. My specs are as follows:

    Windows 7 Ultimate 64bit
    ASRock Z77 Pro4
    Intel i5-3570k
    8GB Ram
    AMD Radeon HD 6870
    1TB Caviar Black
    500GB Seagate External
    OCZ-Vertex 30GB Solid State
    450w Antec


    That PSU was good for my previous build but I have upgraded to the i5, Z77 and the 1TB Internal.

    Any other upgrade recommendations would be welcome! (I like my GPU a lot but would be okay to upgrade or do Crossfire with another 6870.)

    Thanks!


    Hi - You could prob run that sys with the Antec 450,
    but I'd upgrade, realhardtech suggests 500w(min 28a on the +12v).

    Kinda need to know if you are going to CF down the road as
    that not only affects the power requirement but also the # of
    PCI-E connectors (yes, you could use molex/pci-e adapters, but
    nice not to have to), and your PSU budget.

    Tom
  2. provenancewow said:
    Hey gents, Ive got to do a PSU upgrade and was just wondering what yalls thoughts were. My specs are as follows:

    Windows 7 Ultimate 64bit
    ASRock Z77 Pro4
    Intel i5-3570k
    8GB Ram
    AMD Radeon HD 6870
    1TB Caviar Black
    500GB Seagate External
    OCZ-Vertex 30GB Solid State
    450w Antec


    That PSU was good for my previous build but I have upgraded to the i5, Z77 and the 1TB Internal.

    Any other upgrade recommendations would be welcome! (I like my GPU a lot but would be okay to upgrade or do Crossfire with another 6870.)

    Thanks!


    You might want to upgrade gpu also, for example the 7870 is a significant
    performance increase over the 6870
  3. 450w will hold on nicely. just that you should be overclocking too much

    if you really want a new one, get this
    http://us.ncix.com/products/?sku=59615&promoid=1257
  4. Thanks guys! I need to make a change to that hardware list, its the Extreme4 Not pro 4. I'm pretty sure I want to CF in the future. Id prefer to stay roughly under or around $120. Thanks!
  5. this is nice and under your price range, and would give room to overclock and crossfire or sli whichever way you upgrade http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006&nm_mc=AFC-C8Junction&cm_sp=&AID=10446076&PID=3938566&SID=
  6. Best answer
    provenancewow said:
    Thanks guys! I need to make a change to that hardware list, its the Extreme4 Not pro 4. I'm pretty sure I want to CF in the future. Id prefer to stay roughly under or around $120. Thanks!


    with your set up, two AMD 6870 in CF will have you around 400w total system power, 425w in a stress test

    Measured power consumption two 6870 cards

    System in IDLE = 184W
    System Wattage with GPU in FULL Stress = 421W
    Difference (GPU load) = 237W
    Add average IDLE wattage x2 ~ 19W (ATI specified)
    Subjective obtained GPU power consumption = ~ 275 Watts


    http://www.guru3d.com/articles_pages/radeon_hd_6850_6870_crossfirex_review,4.html

    for $120 there are a lot of quality 650w that will offer you plenty of power. brands like seasonic, corsair, antec, pc power and cooling, ocz, and xfx are just some of the companies that offer good PSU.

    maybe something like the corsair HX650
  7. I think im gonna check that one out. Thanks for the replies guys! I may just go ahead and upgrade the GPU as well like toyftw recommended. Any recommendations out there for that besides the 7870? I looked at the MSI one and that looks pretty solid.
  8. http://pcpartpicker.com/p/DObP

    that is what i plugged in to check your wattage if you went sli with the same card you already have.

    as far as upgrading the gpu....whats your budget on that?
  9. under $300 preferably
  10. provenancewow said:
    I think im gonna check that one out. Thanks for the replies guys! I may just go ahead and upgrade the GPU as well like toyftw recommended. Any recommendations out there for that besides the 7870? I looked at the MSI one and that looks pretty solid.


    Ah - the hx650 is a good unit, but please be aware that even tho
    the overview states that it has 4 pci-e connectors, it has only
    2(the discntd model had 4). So, I would not recommend it
    for CF for cards needing 2 pci-e each.

    Yes, you can use molex to pci-e adapters, but if you are going
    to buy a psu to be capable of CF/SLI, might as well get one
    with 4 pci-e connectors.

    There are several avail @ $120 or less. I'll look for a few in a few min
  11. the 66ti is the way to go for that price nvidia route

    amd route i would go the 7950
  12. go modular if you can, you'll appreciate it el oH! el
  13. Best answer selected by provenancewow.
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