Are there any 8pin / 8pin that have a waterblock currently or do you have to buy a custom card and remove the heatsink etc.
Yes evga hybrid or inno3d card For hybrid water. if you have full water then evga hydrocopper or zotac arctic storm.
Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.