Imation Black Watch 3490E Cartridge 810MB, 1100? Meet your high-performance data center requirements with the Imation Black Watch 3490E cartridge. The Black Watch 3490E #11660 tape cartridge is pre-labeled and initialized with up to 810MB native capacity. To protect your tape against damage the Imation Black Watch 3490 E Cartridge has a proprietary back-coating that effectively absorbs debris. For accurate and reliable tape backup and archiving of your data, the 3490E cartridge has been integrated with precision tape spooling, which ensures even tape winding & improved tape stacking. To increase the ease of handling and storage, Imations Black Watch 3490E has deep recessed label area & finger grips. An exclusive FlashGuard welding process traps debris & isolates it from the tape pack protecting your information from loss or damage.