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WOW!! 700 Watts PSU

Discussion in 'Overclocking' started by No_ONE_Here, Dec 26, 2004.

  1. No_ONE_Here

    No_ONE_Here Guest

    No_ONE_Here, Dec 26, 2004
    #1
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  2. No_ONE_Here

    Triffid Guest

    According to the label, it draws 805W (7A @ 115v), and outputs 388W (28A
    @ 3.3v + 30A @ 5v + ... etc) - and it has LED fans. What more could you
    ask? :-;
     
    Triffid, Dec 26, 2004
    #2
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  3. No_ONE_Here

    borolad Guest

    http://edazz.com/antrue333pen.html
     
    borolad, Dec 26, 2004
    #3
  4. No_ONE_Here

    No_ONE_Here Guest

    Huh?
    +3.3v x 28A 92.4
    +5v x 30A 150
    +12v x 11A 132
    +5vsb x 3A 15

    Total = 389.4

    You tell me, did I do this math wrong somewhere?
     
    No_ONE_Here, Dec 26, 2004
    #4
  5. No_ONE_Here

    No_ONE_Here Guest

    No_ONE_Here, Dec 27, 2004
    #5
  6. No_ONE_Here

    Triffid Guest

    Exactly, it's a 350W power supply sold as 700W. I guess you missed my
    attempt at sarcasm :)
     
    Triffid, Dec 27, 2004
    #6
  7. No_ONE_Here

    Overlord Guest

    Yup, the cheap no name brands often claim high wattage outputs.
    Didn't know they were claiming low wattage outputs and high wattage inputs now.
    Cheap transformers, spindly little capacitors, poor circuit designs, horrific tolerances....
    Occasionally one of them will put out close to their claims on A single bus but a current
    draw on any 2 buses...... well......
    The only advantage I can see is that with 800 watts input and less than 1/2 that
    in output it will sure keep you warm in the winter....
    ~~~~~~
    Bait for spammers:
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    ~~~~~~
    Remove "spamless" to email me.
     
    Overlord, Dec 27, 2004
    #7
  8. No_ONE_Here

    Wes Newell Guest

    Close enough for government work. What gets me is the $49 they want for
    this piece of crap when for $9 You can get one with these outputs.

    DC Output : +5V 40A +/-5%, +3.3V 28A +/-4%, +12V 18A +/-5%,-12V 1.0A
    +/-10%, -5V 1.0A +/-10%, , +5Vsb 3.0A +/-5%.

    Now where's all those people that say you get what you pay for.:)
    On second thought, $49 isn't too bad for a good screwing.:)
     
    Wes Newell, Dec 27, 2004
    #8
  9. No_ONE_Here

    No_ONE_Here Guest

    Ohh yeah, Dahhh,,, he he.
    I guess I am tired.

    <<According to the label, it draws 805W>>

    I found the thing looking for better power for another system I want to
    build.
    I saw 700 Watts, and jumped at it, read the ratings, and it didn't seem
    right.

    I would like to see though what would happen if I tried it with this setup.

    2 cd-dvd rw, one's a cd-r w, the other is a dvd +- r rw.
    2 hd's
    2 CPU's
    Asus PC-DL Deluxe (Xeon)'s are 2.66 GHz
    AIW Card, just the 128 rage pro, & only 32MB
    SB Audigy2
    I want to go with PC2100 1GB for ram.

    TT Case is what I want, TT Cooling for cpu's as well.


    My guess is, it would probably not even post before it ran out of power.
    If I figured it out @ least close, my cpu's and MB take up close to 300
    Watts
    with just them alone.
    A server board takes up something like 100 + on the watts.
    But I'm not sure where.
    The board & cpu's may even take up more then 300Watts, I'm just not sure.

    Now that the jokes r out the way for the time.

    600 Watts enough for all of that, or should I try for something higher?
     
    No_ONE_Here, Dec 27, 2004
    #9
  10. No_ONE_Here

    Mitch Crane Guest

    I'm sure it is, but don't buy based on output ratings. Buy a brand with a
    good reputation.
     
    Mitch Crane, Dec 27, 2004
    #10
  11. No_ONE_Here

    Spajky Guest

    you can not sum the +5V & +3,3V lines together; look at the sticker on
    thePSUs: there is always a claime there about maximum wattage that can
    be sucked from there; usually approx. half power of PSU capability;
    so if there is written max 200W for example, the PSU has rating around
    400Watts...
     
    Spajky, Dec 27, 2004
    #11
  12. No_ONE_Here

    Michael Stum Guest

    Michael Stum, Dec 27, 2004
    #12
  13. No_ONE_Here

    No_ONE_Here Guest

    If putting together a single cpu AMD Athlon or P4
    12 Volts & 11 Amps is most of the time enough.
    Total power was more the point here.
    132 Watts is not bad on the 12 volt side @ all.
    That is enough for 4 cd-r/cd-r dvd/dvd-r and so on.
    or 2 and 2 /HDD/Cd or DVD rom or R R - Or all four formats
    and cd-r w.
    Look at a ATX power ratings, it comes from all sides of the power.
    the 3.3
    the 5
    and the 12 Volt side.
    It's more then enough for most things, normal desktop systems thaat is.
    I'm going to notice something like this, I'm looking for a 500 Watt + PSU
    It's for my PC-DL Deluxe Board (Xeon server board) 604 Pin.

    No_ONE_Here
     
    No_ONE_Here, Dec 27, 2004
    #13
  14. No_ONE_Here

    No_ONE_Here Guest

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    No_ONE_Here, Dec 28, 2004
    #14
  15. No_ONE_Here

    No_ONE_Here Guest

    What do you mean by that?
    Are you saying I cant add the watts for the 5V rail with the 3.3V rail?
    Or do you mean I cant add the volts then figure it out?
    If you mean I cant add 5V & 3.3V and multiply it that way, I'm
    not.

    Besides, I only care about having enough power to run what I want to run.

    I figure if a normal mother board uses close to 100Watts, my server would
    use
    200 just for both CPU's, then @ least 70Watts for the Cpu's

    http://processorfinder.intel.com/scripts/details.asp?sSpec=SL6NR&ProcFam=528
    &PkgType=ALL&SysBusSpd=ALL&CorSpd=ALL
    Specs for @ least one cpu.
    Intel Tech Support said up to 77 Watts..
    I just looked, they r the 77 Watt Xeon CPU's
    I would have to guess this means, just as I said, @ least 80 or so for
    each for the MB as well.
    Intel runs some of their servers on 350W but they have next to nothing on
    the
    servers they r running only a 350W PSU on.
    Intel suggested a 450 Watt to be safe.
    I asked, how bout a 600 Watt PSU, would that be over kill.
    they said, "It would be overkill by a bit, you could run all of what I said
    on a 450 Watt."
    If I'm going to Overclock, a slight over kill in power is a good thing.
    Didn't ask about that.
    72ÂșC hm, now what is that, highest temp, or other.
    Could have asked this, but I didn't.
    It puts total at about 314 Watts, so if I were to only run one cd-rom drive
    & one HDD, it would just be enough, as Intel said.
    But, if I put both my cd-rw and dvd-rw + n - r rw drive
    +
    both my HDD's and (AIW) 128Pro and SB Audigy2, and four sticks of ram,
    600 Watts will do.

    Sorry that I said more info then you may have wanted.....
     
    No_ONE_Here, Dec 29, 2004
    #15
  16. Remember, the higher the wattage the PSU, the more the
    efficiency curve will tend to be skewed to that wattage:
    o A 450W PSU may have 80% efficiency @ 90% load
    ---- however it may be only 60% efficient @ 35% load
    o 35% load is 150W, typical figure for a PC
    ---- so more of the PSU capability goes into heat

    Consider a (real) 700W PSU and figs get even worse,
    partly because someone specifying that from a PSU is
    putting it in a 24/7 dbase multi-user multi-SCSI server.
    As such the high-end thermal efficiency matters most.

    You can find "real" 700W+ PSUs on ebay, particularly
    of the N+1 redundant variety. However they may be an
    oddball case design - requiring some creativity. Nice tho.

    If a PSU outputs 150W @ 60% efficiency it will draw in
    250W so around 100W is being dissipated as heat inside.
    So size accordingly, Sparkle/Forton/FSP-Group are good
    and often the OEM supplier to many other "Brands".
     
    Dorothy Bradbury, Dec 30, 2004
    #16
  17. No_ONE_Here

    No_ONE_Here Guest

    Cool, so 50 more would be a little better, around 85% or so.
    So if I just use the 500 Watt I already have for now, and just plan
    on getting something better in the future, that should be just fine.

    Ty Very Much..

    No_ONE_Here (Denny. ;-) :)
     
    No_ONE_Here, Dec 31, 2004
    #17
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