Gainward Readies GeForce GTX 680 Phantom 4 GB Variant
 

Towards the end of March, Gainward launched the GeForce GTX 680 Phantom Edition, with a its uniquely-designed cooling assembly that inverts the positions of fans and heatsink, which lends an aesthetic touch. Like most other GeForce GTX 680 graphics cards launched till date, the Gainward GTX 680 Phantom has 2 GB of GDDR5 memory. We're now learning that Gainward is working on a 4 GB variant, and it's more than close to release, as Swedish retailer Komplett.se has already listed it for 5,995 Kronor (US $878.7). Pictured below, the card looks otherwise identical to the original 2 GB model. It's likely that a backplate is used to cool memory chips on the reverse side of the PCB.

http://www.techpowerup.com/163953/Ga...B-Variant.html