HP Ultrium Drive - Manual (Page 20)

Media 20
7 Media
Specification
*Capacities at 2:1 data compression. The actual capacity depends on the compression ratio of the data. This is
typically 2:1 but can be anywhere between 1:1 and 110:1.
HP Product Number Format Capacity* Notes
C7973A U3 800 GB Read and write
C7973W U3 WORM 800 GB Write once, read many times
C7972A U2 400 GB Read and write
C7971A U1 200 GB Read-only in Gen 3 drives
Ultrium 1 Ultrium 2 Ultrium 3
Tape Base film: 6 µ m (Poly-Ethylene-Naphthalate) PEN
Tape length: 609m 609m 680m
Tape length used for data: 580m 580m 648m
Tape width: 12.65 mm 12.65 mm 12.65 mm
Tape thickness: 8.9±0.3 µ m 8.9±0.3 µ m 8.0±0.3 µ m
Tape dimensional stability: 1200 ppm 1200 ppm 1200 ppm
Maximum tape speed: 5.5 m/s 7.29 m/s 7.29 m/s
Rewind speed: 4.1 m/s 7.00 m/s 7.00 m/s
Durability: 1,000,000 passes 1,000,000 passes 1,000,000 passes
Cartridge Width: 105.4±0.30 mm 105.4±0.30 mm 105.4±0.30 mm
Depth: 102.0±0.30 mm 102.0±0.30 mm 102.0±0.30 mm
Height: 21.5±0.25 mm 21.5±0.25 mm 21.5±0.25 mm
Weight: 0.220 kg 0.220 kg 0.220 kg
Recording layout Track pitch: 27.5 µ m 20.17 µ m 14.3 µ m
Track density (TPI): 768 1024 1773
Data tracks: 384 512 704
Data channels: 8 8 16
Number of wraps: 48 64 44
Number of bands: 4 4 4
Bit density: 4.88 kb/mm 7.32 kb/mm 9.57 kb/mm