NVIDIA will soon be launching a new variant of GeForce GTX 1060 with 5 GB GDDR5 VRAM. The card is meant to be sold in bulk to cybercafes and will be exclusive to the Chinese market.
https://www.notebookcheck.net/NVIDIA-to-launch-exclusive-GTX-1060-variant-with-5-GB-VRAM.274742.0.html