Any, all are 3 yr warranty. The xfx has a rebate but the fans might suck. Also you can buy 5 of the xfx. I am a asus fan boy and I have had good luck with their fans. Honestly all are pretty much +/-1% equal in performance. Fan life, memory type and cooler design are the variables here. I'm too lazy to look all of that up to help you.
If your strapped for $ go cheap and get the rebate, not to mention buy more now... or go for the other 2.
ok thank you
I am really just looking for what has the highest eth hashes, but if they might be the same then I may go with the cheapest here
*I am only able to afford one btw