◆ TDK Data Cartridge (4 types) Set of 5 Data Cartridge ● TDK 4mm Data Cartridge DC4-120 4mm data cartridge. This is a DDS-2 (Digital Data Storage 2) standard data backup tape, mainly used for computer data backup. Brand: TDK Product Name: DC4-120 (Photo 4) ● TDK 4mm Data Cartridge DC4-90 4mm data cartridge (DAT tape), mainly used for data backup. Brand: TDK Product Name: DC4-90 (Photo 5) ● TDK 8mm Data Cartridge DC8-112 Recording media used for data backup, etc. Brand: TDK Product Name: DC8-112 (Photo 6) ● TDK DAT Digital Audio Tape DA-R46 Used for digital audio tape, enabling high-quality digital recording. Brand: TDK Product Name: DA-R46 (Photo 7) Currently, production and sales have ended, and it is difficult to obtain new ones. [New, Unused, Unopened] Purchased as materials and stored in a dark place. Although unopened, it has been stored in an office for a long time, so please understand before purchasing.