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  1. #1
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    Nov 2004

    250 Watt PSU sufficient?

    I have access to a Dell Dimension 8300. The computer has a 250 Watt PSU. A 250 Watt PSU seems a bit week to power the machine.

    The machine's components are as follows:
    Intel Pentium 4 Processor 2.80GHz (Socket 478, Northwood)
    2 x 256MB PC3200, RAM
    Analog Devices AD1980 Integrated Audio
    Creative Sound Blaster Live! 5.1 Digital
    nVidia GeForce FX 5200 (AGP) (overclocked at "Detect[ed] Optimal Frequencies" from nVidia's ForceWare driver controls)
    BCM V.92 56K Modem
    Intel PRO/100 VE Integrated Network Connection
    Seagate ST3120026AS (120 GB, 7200 RPM, Serial ATA)
    SAMSUNG DVD-ROM SD-616E
    Hitachi/LG GCE-8483B CD-RW
    3.5" Floppy Drive
    2 x 80 mm fans
    PS/2 Logitech Mouse
    Keyboard

    I would like to know whether the included 250 Watt power supply is sufficient.

    Also is an index of power requirements for components covieniently available? If so, where?

    Comments appreciated. If anything was left out or relevant questions exist, make it/them known.
    Last edited by Ascii2; 06-01-05 at 08:58 PM.

  2. #2
    Senior Delta Fanatic Electron Chaser's Avatar
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    That is pretty slim on the power. So long as you don't plan on upgrading anything, and I mean anything, It should work but just barely. You upgrade your video card or add a hard drive and you had better plan on buying a new PSU with it.
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  3. #3
    Member Feydd's Avatar
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    Man I would go for atleast 300.
    Gigabyte GA-7VT600 VIA KT600
    AMD AthlonXP 2800+
    1Gig PC3200 RAM
    WD 40&80Gig 7200RPM HD
    Saphire Radeon X800XT
    Sound Blaster Audigy 2 ZS
    Logitech Z-640's
    Antec 410 watt PSU

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  4. #4
    The circuit boards inside Dell PSUs are actually made by the same OEM (Channel Well) that makes the circuit boards in Antec Truepowers. If I remember right, the 250w Dell is equivalent to a Truepower 330.
    Believe me, I have a lot of equipment connected to a 250w Dell PSU, and there are no problems.

  5. #5
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    Dell_Axim, what is your relationship with Dell Inc.?

  6. #6
    Member Cyrix_2k's Avatar
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    It's probably fine. I've run an 1800+ AXP with dual hard drives and dual CD-drives off a 120w e-machines PSU before.

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  7. #7
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    Nov 2004
    I added mouse and keyboard to the component list in the initial post to this thread.

  8. #8
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    Nov 2004
    A thought occured noting the presence of eight USB ports on the machine. Would actually using the eight USB ports with something like USB FlexLights push the PSU over the border line.

  9. #9
    Dell_Axim, what is your relationship with Dell Inc.?
    Just a customer. Indeed, the only big reason why I built my new Athlon 64 was because Dell doesn't sell Athlon 64s yet.
    However, I do own a Dell Dimension 4550. The PSU inside actually has bigger heatsinks than my Antec! The caps are 560uF 200v, above average (although my Antec has 820uF 200v).
    However, like the Antec, the Dell PSU needed a fan mod to really run cool. But without mods, it did run cooler than the Antec without mods.

    Also note that a 250w PSU is all that's necessary as long as the system is not too complex. Remember, Shuttle shoebox-sized PCs use 250w PSUs.

    BTW, the hardware attached to my Dell PSU is:
    2.4GHz Pentium 4 533MHz FSB
    Dell motherboard
    1GB DDR333
    Radeon 9000 Pro AIW
    48x CD burner
    16x DVD burner
    60GB 7200RPM HDD
    80GB 7200RPM HDD
    Adaptec SCSI card
    HP DAT tape drive

    Note that if you want to replace the PSU anyways, check to make sure that the original is ATX and not WTX. My 4550 has an ATX PSU but I'm not sure about your 8300.

  10. #10
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    Nov 2004
    Does a way to test whether the power supply is delivering enough power to all the components?

  11. #11
    Does a way to test whether the power supply is delivering enough power to all the components?
    Measure the voltages under load.

  12. #12
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    Nov 2004
    Quote Originally Posted by Dell_Axim
    Measure the voltages under load.
    Is there an easy way to acomplish the measuring of voltages when a Dell motherboard is used?

  13. #13
    Is there an easy way to acomplish the measuring of voltages when a Dell motherboard is used?
    Use a voltmeter.

  14. #14
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    Quote Originally Posted by Dell_Axim
    Use a voltmeter.
    I suppose it would be easy. I do not have a voltmeter; I should be able to attain one. Testing, though, should be quite time consuming.

    I shall conclude this issue with. I shall leave the current PSU in place and not reject the statement, "the 250w Dell is equivalent to a Truepower 330", by Dell_Axim.

    Thanks to all (with exception to myself) who participated in this thread.

  15. #15
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    Jan 2005
    i doubt that system is even drawing 120 watts from the psu during heavy load. you're fine.

    if you're wondering, silentpcreview actually tested the power draw of various systems under heavy load. i'd say only 1% or less of overclockers have ever had a system that drew close to 400 watts. prescott has made 300 watts possible, but still very rare.

  16. #16
    Disabled flamerail's Avatar
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    Im out of bed, I made it to the keyboard. What more do you want!
    I have a dell dem 2350 in my basement running 20 30GB hds... 384mb of ram and a fx5200...... it uses less than 50 watt

  17. #17
    Disabled Poly15's Avatar
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    If I were you I would get like a sparkle 350w. They are very cheap (like $30) and are very nice for the money!

  18. #18
    Disabled apu318's Avatar
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    It is reccomended to have a minimum of a 350watt power supply. 250w is cutting it pretty close and I wouldn't be surprised if you had some stability problems. Throw in an extra 30 bucks and get the sparkle like Poly suggested. BTW, Welcome to the forums Poly.

  19. #19
    It is reccomended to have a minimum of a 350watt power supply. 250w is cutting it pretty close and I wouldn't be surprised if you had some stability problems. Throw in an extra 30 bucks and get the sparkle like Poly suggested.
    But check to make sure that the original PSU is ATX. If it's WTX, you'll cause a short circuit.

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