my pc crashed at 245dc 2-2-3-9 3.3v vdimm and 1.74vdd with delta on a7n8x nb hsf after 4 days. i was playing a few hours et every night, on sunday i played et for 7 hours and i got a bsod... could have been the 8500 as well... the waterblock is just laying on the pci slot, its not fastened to the gpu at all