Media; Specification - HP LTO-4 Technical Reference Manual

7

Media

Specification

HP Product Number
C7974A
C7974W
C7973A
C7973W
C7972A
*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.
Tape
Tape length used for data:
Tape dimensional stability:
Cartridge
Recording layout
Cartridge memory capacity
Format
U4
U4 WORM
U3
U3 WORM
U2
Base film:
Tape length:
Tape width:
Tape thickness:
Maximum tape speed:
Rewind speed:
Durability:
Width:
Depth:
Height:
Weight:
Track pitch:
Track density (TPI):
Data tracks:
Data channels:
Number of wraps:
Number of bands:
Bit density:
HP LTO Ultrium 4 drives technical reference manual, volume 4: specifications
Capacity*
1600 GB Read and write
1600 GB Write once, read many times
800 GB Read and write
800 GB Write once, read many times
400 GB Read
LTO 2
PEN (Poly-Ethylene-Naphthalate)
609m
580m
12.65 mm
8.9±0.3 μm
1200 ppm
1,000,000 passes
105.4±0.30 mm
102.0±0.30 mm
21.5±0.25 mm
20.17 μm
1260
512
8
64
4
7.40 Kb/mm
4096 bytes
HP restricted
Notes
LTO 3
680m
648m
12.65 mm 12.65 mm
8.0±0.3 μm 6.6±0.3 μm
1200 ppm 900 ppm
7.29 m/s
7.00 m/s
0.220 kg
14.3 μm 11.48 μm
1773
704
16
44
4
9.64 Kb/mm 13.52 Kb/mm
4096 bytes 8192 bytes
LTO 4
820m
783m
2212
896
16
56
4
23