I had a 6800GT, and yes it did have the power connector on the end.
That is deff not a GS, the GS's were not double slot, im thikning GT or Ultra.
My friend has the ASUS GT, its the exact same cooler.
I think its GT cuz of the cooler, but Ultra because of the double slot metal thing.
Intel Q6600 (Stock for now)
XFX 680i LT
OCZ 2 x 2GB Platinum DDR2 800
EVGA 8800GTS 640MB
Mushkin 650watt SLI