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edolzan

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edolzan

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November 14th, 2014 06:00

Precision T5500 Power supply replacement

Hello

I have a Dell Precision T5500 with a single CPU (Xeon X5650) and Nvidia Quadro 5000 video card installed.

The PSU of the device has developed a noticable coil whine and I was thinking of replacing it. As far as I know, the original PSU is rated to 875W of power. I'm guessing the unit needs to be that powerful only if you want to run a second CPU. As I have no intention of installing a second CPU, I was wondering if anyone can recommend how powerful the new PSU should be. 

Thank you for any info you can provide.

  • R

    RoHe

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    Posted November 14th, 2014 12:00

    First question to ask: 

    • Is this a proprietary Dell PSU so another one won't fit the available space or won't align with the mounting holes?

    Second question to ask:

    • The  Quadro 5000 graphics card alone draws 157 Watts and needs an auxiliary power connection to the PSU. So can you find a smaller PSU that will feed the GPU and still have enough connectors and power left over for the rest of the system needs, even if you only have one CPU?

    I don't have answers to either of those questions...

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