Optiplex GX 240, 260, 270, 280 350w Power Supplies

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Optiplex GX 240, 260, 270, 280 350w Power Supplies

  • I have currently looking for a replacement power supply in the 350W range for the GX 240,260,270,and 280 models. I have having a hard time finding a power supply without the rocker switch that will fit these systems. Does anyone know where I can find such power supplies and are these systems in the "non-standard" power supply category? If so, will I need to track down adapters for each model or are they similar enough to all use the same adapter ?

    Thanks!
  • The GX 240, 260, 270, 280 are not the same.

    GX 240, 260, 270 TOWER work with standard PSU and you hack a hole on the back with nibbler tool.

    GX280 has 24 pin not 20 pin so its not at all the same.

    No such thing as 1 size fits all at least not without adaptors of some kind and a bit of metal work.

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  • Hmm...sounds like I could end up with a problem then. According to Dell Tech Support the 350w power supply (part # c4849) will work in all four models so long as they are all the mid-tower chassis (which they are).
  • Ask the Dell Tech How does a 24 pin connector fit onto a 20 pin ATX? There is techmically a way to shoehorn it in there but its definitely Not the same on all.  Some are 24 pin and Some are 20. An interesting Idea that theres one supply to fit all.  Even more interesting if its REALLY 305w and not 250 or 220 or 200 watts. The Documentation for the GX280 Verifies this. They must aLL Be towers to interchange power supply parts as far as the CASE of the supply goes. The connectors and wire length?? thats a whole nuther issue.  There may be a specifc version of GX280 tower motherboard that fits the SKYDIVE Mini Tower case.  Perhaps they mean NEO instead of MR SMITH.

    This is Mr SMith                       This is NEO             The NEO has always been referred to me as the SKYDIVE CHASSIS.

    My sources tell me that  Dell Dimension 8400 F4284 C4849 350W Power Supply 

    http://support.dell.com/support/edocs/systems/dim8400/SM/techov.htm#wp1058366

                                      http://www.xoxide.com/20-24-pin-adapter.html

    http://support.dell.com/support/edocs/systems/opgx280/

    Message Edited by SpeedStep on 08-22-200606:29 PM

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  • The GX 280 chassis in question would be the style you have pictured on the right. Guess I need to check to see for certain if it is 20 or 24 pin.

    I really appreciate all of the info!
  • i have the case on the right.  i think its a gx 270 (not sure, at work right now).  im looking to upgrade to something in the 400-500w range for my new vid card.  would something like this work: http://www.newegg.com/Product/Product.asp?Item=N82E16817709010
    i was told atx12v was the correct size..with a little modification  ive heard that to get it to fit you need to hack a hole into the back of the case.  while i have no problem doing this can someone whos done it already tell me if its a big hole?  small hole?  and what do i use to CUT it.  if thats wrong if something fits better can someone please steer me in the right direction.  need it in the 450-500w range.


  • morellomre wrote:
    i have the case on the right.  i think its a gx 270 (not sure, at work right now).  im looking to upgrade to something in the 400-500w range for my new vid card.  would something like this work: http://www.newegg.com/Product/Product.asp?Item=N82E16817709010
    i was told atx12v was the correct size..with a little modification  ive heard that to get it to fit you need to hack a hole into the back of the case.  while i have no problem doing this can someone whos done it already tell me if its a big hole?  small hole?  and what do i use to CUT it.  if thats wrong if something fits better can someone please steer me in the right direction.  need it in the 450-500w range.


    If the spec is correct it should work fine.  However Im not sure I trust a 480w psu thats only $20.

     

    Only Tower case can use REAL PSU.  Other cases its an itty bitty box and doesnt fit.

    On the Left the HackJob  on the Right the original.

    Hackjob by speedstep using right angle tin snips  45 seconds.

    Using Kronus Nibbler tool  .. 15 minutes.

    Generally I use the tin snips now as I dont care if anyone thinks its an ugly hole.

    Left side is Antec True Power Right Side is original Dell.

     


     

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  • lol SpeedStep. I like the nibbler tool though. Radio Shack used to carry them.
  • If you are patient the Nibbler works fine and makes a nice clean hole. But Im an instant gratification kind of guy so the tin snips gets the down and dirty right away.

    Radio Shack Still carries the Kronus Nibbler tools.

    http://www.radioshack.com/product/index.jsp?productId=2062765&cp

    http://shopping.msn.com/specs/shp/?itemId=133811899

    Kronus Nibbling Tool

    Model: 64-2960 Catalog #: 64-2960  

    http://www.radioshack.com/product/index.jsp?productId=2289712

    GO! MOD Nibbler 29524 Metal Cutting Tool 
     
    Model: 29524
    Catalog #: 55010716


     

    Message Edited by SpeedStep on 08-22-200606:23 PM

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  • yup! thats the one.
    "Kronus Nibbling Tool"