The USB connection makes transferring files from a PC, digital camera or other digital devices very simple. (slashgear.com)
I know indie authors and many readers would like us publishers to get rid of them so you could transfer files between devices... I get that... I'd like it to. (jakonrath.blogspot.ru)
There's 1 GB of integral storage, an SD card slot, and a USB port for transferring files. (blog.the-ebook-reader.com)