1. The minimum storage capacity of a Microdrive tape cartridge was 85 KB. 2. They had no hard disk drive, and loaded software from magnetic tape cartridges . 3. Despite its convenience the RCA tape cartridge was not much of a success. 4. Tape cartridges run approximately $ 40 for 100 MB of storage.5. The main advantage of the RCA tape cartridge over reel-to-reel machines is convenience. 6. After ending 9-track magnetic tape production, Graham entered the business of recertifying tape cartridges . 7. The tape cartridge is about the size of a business card, but about thick. 8. A 10-gigabyte tape cartridge will run about $ 35, making it a real bargain. 9. Currently, as of 2007, Graham Magnetics buys used tape cartridges and reconditions them for reuse. 10. These are full-size VHS camcorders that take the same big tape cartridges as home VCRs.