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Thread: PSU decision

  1. #1
    Registered c64's Avatar
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    PSU decision

    I'm trying to decide between 3 PSU's.I've already figured out what size I'll need, but I'm having a hard time deciding.These are the 3.

    Corsair TX750W

    Thermaltake Toughpower 850

    PC Power & Cooling Silencer 750 Quad

    Thanks for any help
    Last edited by c64; 02-11-08 at 03:36 PM.

  2. #2
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    All three are good units. Pick the cheapest one. Based on regulation at full capacity, I'd rate them as:-

    TT 850
    PCP 750Q
    Ultra X3

    But, here I'm splitting hairs. All three are good quality units.
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  3. #3
    often times you can get the PCP 750w for only $160 shipped on sale on various websites, imo from that list you provided i think it's the best Value/Quality ratio

  4. #4
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    Quote Originally Posted by IKIKUINTHENUTZ View Post
    often times you can get the PCP 750w for only $160 shipped on sale on various websites, imo from that list you provided i think it's the best Value/Quality ratio

    PCP was the one I was leaning towards because of quality.

    I know 750 or 850 might be overkill. what could I run this setup with some head room?

    My rig
    ASUS MAXIMUS FORMULA
    Core 2 Quad Q6600
    Zalman CNPS9700
    Radeon HD 3870
    mushkin 2GB (996533)
    2 74gb raptors
    4 sataII HDD
    coolermaster cosmos 1000
    X-Fi Xtreme Audio

  5. #5
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    For that rig, in theory, you can get by with a good 550W-600W PSU like the Corsair VX550, HX620, Silencer 600W, Evostream 600W, Toughpower 750W etc. The simultaneous spin-up draw of those HDD's have to be accounted for in all your calculations (say a worst case of 2A on the 12V and 1A on the 5V).

    http://www.digit-life.com/articles2/.../hddpower.html
    Motherboard Repair Tutorial || Power Supply Repair Tutorial || A Closer Look at PSU Signals ||
    Understanding SMPS Technology
    || ASUS P5K Capacitor mod || Kernel Compile Guide || Guide to Wiping an SSD

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  6. #6
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    Quote Originally Posted by Super Nade View Post
    For that rig, in theory, you can get by with a good 550W-600W PSU like the Corsair VX550, HX620, Silencer 600W, Evostream 600W, Toughpower 750W etc. The simultaneous spin-up draw of those HDD's have to be accounted for in all your calculations (say a worst case of 2A on the 12V and 1A on the 5V).

    http://www.digit-life.com/articles2/.../hddpower.html
    I've been using OCZ 620 for almost 2 years,do you think I can get by with this?

  7. #7
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    Yes, but your ability to overclock may be hampered a bit. The OCZ unit does not like to be cross-loaded. Try it before you spend any money on something else.
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  8. #8
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    Quote Originally Posted by Super Nade View Post
    Yes, but your ability to overclock may be hampered a bit. The OCZ unit does not like to be cross-loaded. Try it before you spend any money on something else.
    Thanks for the info.core2duo 6600 has been OC for a year now with no changes and stable.

    Core Speed 3411.7 MHz
    core voltage 1.560v
    temp 29c

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