4870 Waterblock Options

[Unrealer]

maybe some mosfet cooler from thermalright might work on 4870/4850:
http://www.thermalright.com/new_a_pa...et_cooler.html

Or this:

http://www.performance-pcs.com/catal...ducts_id=24175



http://www.performance-pcs.com/catal...ducts_id=24176