These little tapes are perfect for backing up small network servers and PC workstations or small to medium-sized networks. Back up your company's critical data with 4mm tape data cartridge from DVD-RWMedia.com and never be caught off-guard again. Whether it is 4mm Tape Cartridge, 4mm Data Cartridge, DDS-1, DDS-2, DDS-4, or DDS-5, our store carry them all.