USB Stick of Hikvision that has a capacity of 128GB. Assuming that the average size for a photo, an MP3, and a Video is 2MB, 4MB, and 500MB respectively, then this USB can store approximately up to 45,000 photos, or 30,000 MP3s, or 240 Videos.
Its interface is USB 3.0. It has faster data transfer speed (5 Gbit/s) than USB 2.0 when connected to a USB 3.0 port. It is also compatible with older versions. (Also referred to as USB 3.1 Gen 1 / 3.2 Gen 1.)