Now released in Japan, Galaxy's GF PGTX460/1GD5 KATANA ....14.2mm thickness,267mm length and 111mm height...Note that it does not support SLI lacks a SLI connector....
Somehow Google Translate goofed up and the above translation is done from Japanese-to-English. But the source is in Chinese. So, you need to manually adjust that back to Chinese in the above link.
(I apologize for not putting one in the first place)