GALAX managed to make a GTX 1070 that is just 16mm thick! Whether it will perform good or be plagued by thermal throttling issues remains a question, but the card definitely looks cool. In the marketing material, GALAX claims its custom-design card can "maintain consistent performance even in thermally challenging scenario".
The GALAX GTZ 1070 KATANA uses a single 8-pin connector, and video output is taken care of by 1x DisplayPort 1.4, 1x HDMI 2.0b, and a single DL-DVI-D connector. Clocks on the card are reported at 1518 MHz base, and 1708 MHz boost clocks.