There was also an optional 8 GB RAM and 128 GB storage model for just $ 60 extra. (androidcentral.com)
It comes in two storage models of 16 GB and 32 GB. (ibtimes.com)
The handset will be available in 8 GB and 16 GB internal storage models, and users can expand the memory to up to 128 GB with a microSD card. (techtree.com)