This HP C7973W LTO-3 tape is the W.O.R.M variant of the HP C7973W tape. The C7973W tape media is ideal for archival storage as W.O.R.M media prevents any changes being made to the original content. The HP LTO-3 C7973W tape has a recording density of 245kBits/inch, a significant improvement over the previous 188kBits/inch. Data transfer rates have also increased over the previous generations 40 MB/s to 80 MB/s native and similarly the capacity has also increased from 200 GB to 400 GB native. Tape length for the HP C7973W LTO-3 W.O.R.M tape is about 8.0 micrometers. Compatibility for the HP C7973W LTO-3 W.O.R.M tape media is compatible with all LTO-3 tape drives. The HP C7973W has a durability of at least 1,000,000 head passes. The archival storage life is estimated to be around 30 years for the HP C7973W LTO-3 tape cartridge. Like all LTO tape cartridges, the HP C7973W also features the LTO-CM (Cartridge Memory) to allow for faster access.