EVGA is set to release two GTX 1660 Ti models, with more coming in the future.
EVGA GeForce GTX 1660 Ti XC
We have been told that at launch only single-fan models will be available from EVGA, with dual-fan solutions coming later. The XC series are in Mini-ITX form factor. These cards come with 6GB GDDR6 memory and 1536 CUDA cores.
NVIDIA GeForce GTX 1660 Ti launches on February 22nd.