HP EML E-series Tape Libraries - Manual (Page 86)

Acoustics
Table 32 Acoustics
Idle Operating Item
7.5 Bels (A) 7.5 Bels (A) Sound power
7.5 Bels (A) 7.5 Bels (A) (60 dB) Sound pressure Bystander
position
Ultrium tape drive comparisons
Table 33 Ultrium tape drive comparisons
Ultrium 3280 Ultrium 1840 Ultrium 960 Ultrium 460 Characteristic
1.5 TB 800 GB 400 GB 200 GB Capacity
(native)
140 MB/sec
1
Up to 120 MB/sec
1
Up to 80 MB/sec
1
Up to 30 MB/sec
1
Transfer rate
(native)
47-140 MB/sec 40-120 MB/sec 27-80 MB/sec 10-30 MB/sec Data rate
matching
8 Gb/secFC 4 Gb/sec FC 2 Gb/sec FC 2 Gb/sec FC Host interfaces
16 16 16 8 Head channels
13.52 Kb/mm (343.4
Kb/in) 13.52 Kb/mm (343.4
Kb/in) 9.64 Kb/mm (244.9
Kb/inch) 7.40 Kb/mm (188
Kb/inch) Bit density
896 896 704 512 Number of
tracks
820 m 820 m 680 m 609 m Length
Yes Yes Yes No WORM support
Compatibility
Ultrium Gen. 4, 5 Ultrium Gen. 3, 4 Ultrium Gen. 2, 3 Ultrium Gen. 1, 2 Write
Ultrium Gen. 3, 4, 5 Ultrium Gen. 2, 3, 4 Ultrium Gen. 1, 2, 3 Ultrium Gen. 1, 2 Read
1
HP classifies the performance of the Ultrium drives as 1000 x 1000 bytes per second (that is, in base 10) in common
with most other disk and tape drive vendors. Most applications, however, measure performance as 1024 x 1024 bytes
per second.
86 Specifications and characteristics