30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount. Policy depends on shipping service.
First off, if you are buying this to game, forget about it. Though it will run a lot more games than the intergrated graphics slim line pcs have, this is pretty much a card used to run duel monitors, or to turn your old analog VGA graphics into a digital DVI or even HDMI with the right adapter. (six bucks anywhere you look)
And Secondly, this outlet isn't a Standard DVI , you are going to need an adapter to run this. look for a DMS-59 to HDMI or DVI adapter and you will turn that old desk top workstation into something usable in 2020.
Seriously, for 10 bucks you wont find and easier video upgrade for that old system you have laying about.