Gigabyte released a new GeForce GTX 680 card (model: GV-N680OC-4GD) with 4Gb of graphics memory. This factory overclocked video card features an Ultra Durable VGA design (2oz copper PCB, Ferrite Core (Metal) Chokes, Low RDS (on) MOSFET, Japanese Solid Capacitor), a 256-bit memory interface, a memory clock of 6008 MHz and a GPU clocked at 1071/1137 MHz Base/Boost (standard is 1006/1058 MHz).
The GV-N680OC-4GD also offers a 4GB of memory, a WINDFORCE 3X 450 W triple-fan cooler, dual-DVI, HDMI (gold-plated) and DisplayPort outputs. Unfortunately, there is no info on pricing or availability so far.
Gigabyte GeForce GTX 680 OC With 4GB Of Memory