How Many Shows/Recordings Can A USB HDD Store? 01 September 2022 02:19 Updated There are a number of factors that can influence this. For example, a 100GB USB HDD can hold up to 44 hours of Standard Definition Digital TV recording or up to 12.5 Hrs of High Definition Digital TV recording. Related articles What Size USB HDD Should I Use If I Want To Use The RECORD Option On The TV? How Can I Record My Favourite TV Shows? Supported Video Formats. My TV can not see my USB Hard Drive Formatting a USB device to FAT32 to work with Android TVs