Well this is frustrating and after 4+ hours including 2 with Dell support, my T620 is being returned to Dell. The answer is; yes, you can install a third party video card into a Dell T620 but that video can ONLY be used as a secondary processor… it will NOT be capable of producing video output. This explains why add-on video cards show up in Device Manager and install in Windows but do not produce video output when you connect a monitor to them. For more details click HERE and note the SECOND post down from DELL-CHRIS.
In my case I was trying an old Radeon card and a FirePro V4900, neither of which should require power. However I thought it was worth verifying so I did. Below are the power ratings for each slot in a Dell PowerEdge T620 and you will note that the full slots (x16) provide up to 75 watts of power and the FirePro V4900 has a peak of “Less Than 75 Watts” so power should not be a problem. As described above the power was not my problem, it was the intentional design.
| Slots | Power |
| Slot 1 (x8 lanes) | Up to 25W |
| Slot 2 (x16 lanes) | Up to 75W |
| Slot 3 (x4 lanes) | Up to 25W |
| Slot 4 (x16 lanes) | Up to 75W |
| Slot 5 (x16 lanes) | Up to 75W |
| Slot 6 (x8 lanes) | Up to 25W |
| Slot 7 (x16 lanes) | Up to 75W |
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I installed the GPU Enable kit on the Dell PowerEdge T620 today. The motherboard needs to be removed in order to install it. All you need to do is disconnect all the cables at the back. remove all PCI-E cards and there is a blue Tab at the bottom of the Motherboard and it should slide out. You will need to disconnect the cables on the left side of the Motherboard and there you will see the spot where you need to install the GPU Enable Kit..
Thanks for the feedback !
2 more questions :
- Did you also have to add the 4 fans bar (I red somewhere without this the system won't accept the GPU) ?
- Was the graphic card properly detected and working ?
Hi Gilles;
I did not use any additional hardware, fans or otherwise and yes the card was detected. The big thing to remember is it needs that direct source of power; the PCI bus does not provide enough electricity so if you don't have the card plugged into power directly it is ignored.
I hope that helps.
It is very nice article. Thanks for it.
I am also trying to install Nvidia K5200 hard to Dell T620. I am trying to use 10-to-6pin GPU cable to get extra power from the power board because K5200 needs 150 W. In my case, i connect the 10pin side of the cable to power board and 6pin to GPU card but when i try to boot the server the power supply light goes orange and the server does not boot. The power supply is 1100 W and it seems enough when the overall power consumption of the server (~200-250 W) is considered. By the way, i also installed second power supply (1100 W) but it does not help. Do you have any comment about it?
Thanks for the info, I have the same problem with a T630. Did you finally manage to make it work?
Hi Andrew;
I did not. I ended up returning it to Dell and sourcing a different model... what a mess.
Hi Bart, I have not had that configuration so if you are stuck I would call Dell support.