BSOD while gaming, multiple errors

[pillphil]

I've been getting BSOD's quite a lot recently. It only seems to happen while gaming.
I put in a new graphics card a couple of weeks ago, the one I took out was fairly old so I couldn't play many games with it.
I've been looking at the error codes but I don't think it's the same one every time, and I've no real idea of what I'm looking at any way.

I ran memtest for 4 or 5 hours yesterday with no errors, from what I've read since, I should run it for longer, so I'll do that tonight.

I've attached the SFDT zip.

Any help appreciated,
Philip

 

[pillphil]

I've been running driver verifier for a while and this happened. This is new. I wasn't sure whether to let it continue or to restart it.

 

[pillphil]

I ran driver verifier again, It made it through the night without a problem, then after using it for an hour the next day, ^^^that happened again.

I don't know if any of this is any help but I ran furmark, crystal disk and seatools, results attached

 

[pillphil]

The above furmark screenshot is for a benchmark,
this video is of the test recommended here
It says to stop the test if you see artifacts.
Is the thing I'm pointing at something to be concerned about?

I can't embed the video for some reason, it keeps censoring part of the text.
https://www.youtube.com/watch?v=GhxZW4V6ImY&list=HL1386119216&feature=mh_lolz


Few other things I forgot to mention, I put a new power supply in with the graphics card, a cx500. I think it was around the 21/Nov, I'm guessing because I can't remember exactly.
When I put the new card and PSU in, I also put in a second hard disk(which I removed earlier today in case it was causing any of these issues).
Also, I think there were more crashes than there are dmp files, some were crashes to the desktop others were BSOD's that don't seem to have recorded.

 

[pillphil]

Got some Memtest errors after leaving it overnight, are the bugchecks I'm getting consistent with failing RAM?