Library environmental specifications, Acoustics, Hp storageworks ultrium tape drive comparisons – HP EML E-series Tape Libraries User Manual
Page 105: 30 library environmental specifications, 31 acoustics, 32 hp storageworks ultrium tape drive comparisons, Table 32

Library environmental specifications
Table 30 Library environmental specifications
Measurements
Item
Operating
Storage
Transporting
Temperature
+10 to +35ºC
nl
(+50 to +95ºF)
+10 to +40ºC
nl
(+50 to +104ºF)
-40 to +60ºC
nl
(-40 to +140ºF)
Humidity
20 to 80%
10 to 95%
10 to 95%
Wet bulb (maximum,
noncondensing)
+29.2ºC (+84.5ºF)
+35ºC (+95ºF)
+35ºC (+95ºF)
Altitude
76 to 4,500 m (-250 to 15,000 ft)
Acoustics
Table 31 Acoustics
Item
Operating
Idle
Sound power
7.5 Bels (A)
7.5 Bels (A)
Sound pressure Bystander
position
7.5 Bels (A) (60 dB)
7.5 Bels (A)
HP StorageWorks Ultrium tape drive comparisons
Table 32 HP StorageWorks Ultrium tape drive comparisons
Characteristic
Ultrium 460
Ultrium 960
Ultrium 1840
Capacity (native)
200 GB
400 GB
800 GB
Transfer rate (native)
Up to 30 MB/sec
1
Up to 80 MB/sec
1
Up to 120 MB/sec
1
Data rate matching
10–30 MB/sec
27–80 MB/sec
40–120 MB/sec
Host interfaces
2 Gbps FC
2 Gbps FC
4 Gbps FC
Head channels
8
16
16
Bit density
7.40 Kb/mm (188
Kb/inch)
9.64 Kb/mm (244.9
Kb/inch)
13.52 Kb/mm (343.4
Kb/in)
Number of tracks
512
704
896
Length
609 m
680 m
820 m
WORM support
No
Yes
Yes
Compatibility
Read
Ultrium Generation 1, 2
Ultrium Generation 1, 2,
3
Ultrium Generation 2, 3,
4
Write
Ultrium Generation 1, 2
Ultrium Generation 2, 3
Ultrium Generation 3, 4
1
HP classifies the performance of the HP StorageWorks 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.
Enterprise Modular Library E-Series
105