wish i had found this thread earlier..

i started out with 3 XFX cards but then read somewhere that sapphire cards are supposed to be the 'quality' brand so i bought an additional 6 sapphire's 7950 dual-x cards

already 5 of those 6 cards are fried in no less than 3 weeks

sku: 11196-19-20g
pn 299-1e249-100sa
all serial numbers between: A135100029900 - A135100030500

first  i suspected the risers...  but then it also happened to those plugged in directly to mobo..
so then i suspected the motherboard (asrock H81 BTC) but then it also happened with a gigabyte GA-Z87X-OC ..

i also have 3 XFX cards and although they get really hot they work flawless from day 1 in any of those mobo's so conclusion is that the sapphire videocards are flawed..