Imations 11776 Blackwatch is a Digital linear Tape 4(DLT-4) format tape cartridge. It has a 557 meters tape length which enables a native data storage capacity of 40GB that can be expanded upto 80GB when compressed. It is approved by both ANSI and ECMA and has also passed Quantums DLT qualification process. This tape cartridge is rated at 1,000,000 passes and is rugged and reliable enough for any network operation. The Imation 11776 Blackwatch tape cartridge works with DLT 4000,7000,8000 and VS80 tape drives.