Buying a card off ebay right now is a fool's errand. I've seen about fifteen cards just in threads I have personally replied to that were purchased from ebay this month and had some kind of issue that made them unusable due to having been used for mining or having a modified bios, or just abused by being run unceasingly 24/7.
But hey, it's your money right?
I don't actually think, even on Ebay, for 65 dollars, you are going to find ANY kind of card that is capable of giving you a decent playable experience AND your 240w PSU is going to seriously limit what you can run in that machine anyhow. Especially once you find out that it has trouble sustaining that 240w capacity under the demands of a gaming card.
New, this is probably the...