Portodrive

Portodrive is a series of USB OTG flash drives with XCI or UXCI ports developed by Theorysonic and SanDisk. It is compatible with Theorysonic computers, smartphones, tablets, and other PCs and Macs. It is a true flash drive for TheoryPhone, TheoryTablet, Portosic Touch, and other Portosic devices. It can be read and write.

Models

 * First generation (2007): 2, 4, 8, 16, 32, or 64 GB (2009)
 * Second generation (2010): 4, 8, 16, 32, 64, or 128 GB (2011)
 * Third generation (2012): 8, 16, 32, 64, 128, or 256 GB (2013)
 * Fourth generation (2014): 8, 16, 32, 64, 128, 256, or 512 GB (2015)
 * Fifth generation (2016): 16, 32, 64, 128, 256, 512 GB, or 1 TB
 * Sixth generation (2018): 16, 32, 64, 128, 256, 512 GB, 1, or 2 TB