I currently have an opportunity to grab a Corsair H50 water cooler for really cheap, but I need to act fast. 
 
Could this be used to just cool a graphics card? namely a GTX 275? 
 
It comes with mounting brackets for LGA 775 and 1336. I was thinking of using some kind of mounting bracket for my GPU and cooling it with the H50.

O: I wish I knew what you were talking about so I could answer your question. D:

" O: I wish I knew what you were talking about so I could answer your question. D: "

you could easily water cool that card, but it wouldn't do anything unless you are overclocking.
 
Edit: Actually, you should invest in that anyway so that if you need to OC later on, you'd be able to keep a stable temperature.

I assume you're wanting to get rid of the CPU cooler part of it and plug it into whatever bracket you can find for your GPU instead.  Potentially a cool idea I think.  The main worry I would have is that you couldn't get the tubes off of the CPU cooler without damaging it.  I don't really know much about water cooling to be honest, I'm looking to get into with my next gaming rig.

I'm mainly aiming just to quite my system down, and the GPU tends to be the loudest component.

" @ToxikPandaKoi: LGA 1336 is basically a type of cpu, just like a LGA 1156 cpu type. I suppose that's what the cooler does.   To the op, I have no idea about it, better ask geno, he probally has water cooling, i'm just using fans. Why not just get that gtx275 cooler with fans and stuff you asked about before, I have a cooler on my gpu. "

I'm quite certain that CPU coolers are incompatible with GPUs (I've never actually tried to put one on the other). Even if it did work, jury-rigging it would probably not be worth the effort. Unless you're overclocking, there's really no need to liquid cool a graphics card anyway. 

Only a fermi gpu should be water cooled. I think you can buy a water block attachment for it, however I don't use this myself so I wouldn't have the details. Still for the water cooling, if you want to overclock your gpu to near 4.0ghz, maybe it's good to use, or else just forget about it. That's my opinion.   
 
Are you still getting that gpu cooler that's a heatsink and three fans like i'm using? that's cheaper and probally a better solution. If your not afraid to take off the heatsink for your gpu that is.

" I'm quite certain that CPU coolers are incompatible with GPUs (I've never actually tried to put one on the other). Even if it did work, jury-rigging it would probably not be worth the effort. Unless you're overclocking, there's really no need to liquid cool a graphics card anyway.  "

" silly question, bro "

" silly question, bro "