Dell PowerVault LTO4-120HH - Manual (Page 13)

Power Specifications
Maximum voltage and power specifications for the PowerVault LTO-4-120 Half-Height tape drive are listed in Table 6-2 and Table 6-3 . Specifications are the
same as those for other SCSI drives unless otherwise noted.
Table 6-2. Voltage and Current Specifications
Table 6-3. Power Dissipation
Drive Performance Specifications
Table 6-4 lists the performance specifications of the PowerVault LTO-4-160 Half-Height tape drive.
Table 6-4. Drive Performance Specifications
Environmental Requirements
Specification +12 VDC +5 VDC
DC Voltage Tolerance 12.00 ± 10% 5.00 ± 5%
Non-operating max voltage 14 Volts peak 5.50 Volts peak
Max operating current
Continuous:
Peak:
1.70 amps RMS
1.90 amps RMS
(1 sec max) 2.40 amps max RMS*
2.60 amps max RMS*
Standby current (max) 0.37 amps RMS 0.98 amps RMS*
Ripple (peak-to-peak) < 100 mV < 100 mV
* RMS parameters measured at the power connector using a true RMS digital meter.
Power Specification Dissipation
Max Standby Power 9.3 watts RMS*
Max Continuous Operating Power 31.3 watts RMS*
Max Peak Operating Power 33.2 watts RMS (1 sec max)
* RMS parameters measured at the power connector using a true RMS digital meter.
Specification Value
Average data access time
(820-m tape) from BOW (beginning of wrap) 56 seconds
Average rewind time
(820-m tape) from EOT (end of tape) > 85 seconds
Capacity 800 GB (native)
Cartridge unload time 25 seconds
Error recovery Read-after-write Reed Solomon ECC (2 levels)
Flux density (cells per mm) 13250
Head configuration 2 bumps
16 thin-film write heads per bump
16 MR read heads per bump
2 MR servo heads per bump
Maximum data access time from BOW (820-m tape) 112 seconds
Maximum tape rewind speed (meters per second) 8.3
Recording density (RRL-encoded ONEs per mm) 6,760
Recording format (Ultrium 16-channel) U-416
Recording method 0, 13/11 RLL
Recording undetectable errors Less than 1 in 10 2 7 data bits
Recording unrecoverable errors Less than 1 in 10 1 7 data bits
Synchronous transfer rate (burst) 160 MB/sec max
Tape drive type LTO (Ultrium)
Tape speed (meters per second) Up to 6.07
Track density 70 tracks per mm
Transfer rate (sustained), MB/second 120 (max, native)