What kind of video card connector is this?

This video card is from a circa 2011 Dell Optiplex 990 (used, but in good condition). It's got AMD Radeon markings, and a connector that doesn't seem to be any kind of standard DVI. I'm guessing that there must be some kind of dongle I'm missing. I don't need this card to use the PC - but... show more This video card is from a circa 2011 Dell Optiplex 990 (used, but in good condition). It's got AMD Radeon markings, and a connector that doesn't seem to be any kind of standard DVI.

I'm guessing that there must be some kind of dongle I'm missing. I don't need this card to use the PC - but I'm wondering what it would take to get it working.

Can anyone clue me in on this card? Not a lot of markings on it at all, really. (OEM product?)
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