http://www.msi.com/product/vga/#?fp=GeForce%20600%20Series&sk=Geforce%20GTX%20660%20Ti
Guessing its one of the above - It will be a base reference one for that price
This isnt really an exclusive "deal" or anything, but it was the cheapest price for a 660ti that i could find. All other retailers sell 660tis for around 330 minimum.