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Thread: How Big Should My Power Supply Be?




  1. #1

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    I need more power! I am currently running my system with only a 350 Antec TruPower PSU. My system specs are included below. I recently tried adding another CD-ROM to my system and found that simple addition caused my system to shutdown when under load.

    If I eventually want to have two CD-ROMS in addition to my burner and DVD drive and two removable hard drive bays that will be running 5400 drives, should I get a PSU as big as 550Watts?

    Is it best to buy a high wattage PSU just to be safe?

    I currently use Enermax and Antec PSUs. What other brands are safe brands that actually support the wattage they are rated for?



    My Specs:

    1400MHz AMD Athlon Thunderbird

    Kingston 512 MB DDR RAM

    ePox 8KHA Motherboard

    LeadTek WinFast Geforce3 TI 200

    80 GB Western Digital Caviar

    40 GB Western Digital Caviar

    ASUS 8X DVD Drive

    LiteOn 48x12x48x CD Burner

    Sound Blaster Live! 5.1

    Netgear FA311 Ethernet

    3 Antec Blue LED 80mm Case Fans

    2 Antec 80mm Case Fans

    Enermax 350w Power Supply



    My system can be viewed using the link in my signature.
    <Font size=2>"The demand to restrict technology is the demand to restrict man's mind" -- Ayn Rand
    <a style="text-decoration: none" href="http://www.whiteglovecollection.com/cord">
    <font color=blue><font face="Century Gothic" size="6">My Web Site</a></font>

  2. #2
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
    Posts
    21,907

    Default

    Yes get a higher rated PSU and get one as high as ya can afford if ya goin' to keep addin' to this. ;)
    <center>:cheers:</center>

  3. #3
    Join Date
    May 2002
    Posts
    2,489

    Default

    Wiggo lemme ask you this...what is up with some PSU makers claiming that their PSU is a "TRUE" 400W...?

    What is that "TRUE" all about? ...what the others are "LYING"?...hehe
    - Damien

  4. #4

    Default

    Well Antec's Tru series will actually handle over the rated amount. Other PSUs will give out well before their rated amount of wattage which is why Antec calls their brand TruPower. That's also why I want to know a good brand. I don't need another PSU that is a POS fusing itself to my motherboard.
    <Font size=2>"The demand to restrict technology is the demand to restrict man's mind" -- Ayn Rand
    <a style="text-decoration: none" href="http://www.whiteglovecollection.com/cord">
    <font color=blue><font face="Century Gothic" size="6">My Web Site</a></font>

  5. #5
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
    Posts
    21,907

    Default

    Quote Originally Posted by [size=6
    FLaCo[/size]]
    Wiggo lemme ask you this...what is up with some PSU makers claiming that their PSU is a "TRUE" 400W...?

    What is that "TRUE" all about? ...what the others are "LYING"?...hehe
    It's not really that they're lyin' as their sums are right but the distribution of power is wrong. The cheap PSU's tend to load the watts on the 12v rail to the detrement of the 3.3v and 5v rails where these last two are critical these days. I look for PSU's that equal or exceed 180w total combined on the 3.3v and 5v rails (this is stated on good PSU's and the higher the better) and I've been usin' a lot of 350w Eagle PSU's lately, yeah they're cheap, but they produce 200w across those two rails plus will cure ECS K7S5A power probs. ;)
    <center>:cheers:</center>

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