HP LTO-6, Ultrium 6.25TB BaFe WORM

HP C7976BW, LTO-6 Ultrium (WORM) can write or read data at a blistering 1.4 TB/hour, storing, encrypting and protecting up to 3 TB on a single cartridge, making it the big hitter in large-scale, 24x7, mission-critical IT environments.
Storage Media Tech specs
See detailed specs: US QuickSpecs » pdf
Recording technology: LTO-6 Ultrium
Media labeling: Write-on Labels in box
Media format: Write-once media
Quantity per Package: 1
Capacity: 6.25TB
Compressed 2.5:1
Read speed: 400 MB/sec
Product color: Purple
Tape length: 846 m
Tape width (metric): 12.65 mm
Tape thickness: 6.4 um
Base Film Type: Barium Ferrite
Bit density: 343 kbits/inch
Number of data tracks: 2176
Magnetic Layer Coercivity: 2500-2700 Oe
Archival storage life: 30 years
Drive compatibility: Storage Media Compatibility Matrix 
Operating humidity range: 10 to 80% (Operating)
Non-operating humidity range: 20 to 60% (Archival)
Product dimensions (W X D X H): 4.45 x 1.1 x 4.37 in (11.3 x 2.79 x 11.1 cm)
Product weight: 0.6 lb (0.27 kg)
Warranty: Limited Lifetime Warranty
What's in the box: Contains (1) HP LTO-6 Ultrium 6.25 TB BaFe WORM Data Cartridge. Write-only