We mentioned this one before, but it seems to be avaialble now. ASUS has released the 4GB version of its GeForce GTX 680 graphics card. Codenamed GTX680-DC2G-4GD5, the card sports 1536 CUDA Cores, a 256-bit memory interface, a core clock of 1006MHz (1058MHz Boost Clock) and a 4GB of GDDR5 memory set @ 6008MHz, and features 1x DVI-I, 1x DVI-D, 1x HDMI and 1x DisplayPort outputs.
The GTX680-DC2G-4GD will be available from January 12th for around 60,000 Yen (about $674).
NVIDIA GeForce GTX 680
GDDR5 SDRAM 4,096 MB
1,006 MHz (when GPU Boost: 1,058 MHz)
DisplayPort × 1 HDMI × 1 DVI-I × 1 DVI-D × 1
You can download one from among the following five. "Assassin's Creed III" "I Am Alive" "RUSE" "Splinter Cell: Conviction" "Rainbow Six Vegas 2" ※ The game is in English.