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August 16th, 2025 08:34
VRTX GPU power
Hello I have a Dell VRTX with M630/M640 blades.
I'm looking to install a nVidia RTX 4000 ada card (possibly two)
The card only requires 130W max and I believe the VRTX can support upto 2 x 150W cards so should be fine from that point of view.
What I cant work out is the RTX 4000 has a 16 port power connector and I cant work out how to get that type of connector in my vrtx. I know there is a cable that plugs into 2 x 6 pin connectors in the PCIe cage which will give a 8 pin connector but how do I convert that to a 16 pin.
Also the cable I mentioned before use 2 x 6pin ports to give 1 x 8pin.
I will be looking at adding a second RTX 4000 at a later point but with only 3 x 6 pin connectors on the PCIe cage how would I even connect up another power cable?
As I said the RTX 4000 only requires 130W max so not outside of the VRTX range?
I appreciate this kit is EOL but would appreciate any advice you can offer.
DELL-Joey C
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August 18th, 2025 06:24
Hi,
I'm sure that you have already checked that the server's power support, I went on check on the available cables that is used for the server's GPU power cabling. There is only 2, X5DNV that is 1X6pin to 1X6pin and 215XG is a 2X6pin to 1X8pin, which you mentioned. There is no 16pin convert cable which is available.
Perhaps, I would recommend to wait for any users here in the community that has the experience in their VRTX unit to provide some feedback
Gonesolo1
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September 2nd, 2025 18:42
Thank you again Joey (you also helped me with a HDD issue) I've done more research and found a 4000sff which does not require additional power so I'm planning on testing one of those to see if it will fit my requirements.