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Appendix A. Specifications
82
Tape Media and Drive Specifications
LTO-4
LTO-3
Parameter
Specification
a
a. All specifications are subject to change without notice.
Tape Capacity
b
b. Compression thoughput and capacity depend on the type of data.
800 GB native (1600 GB compressed)
MTBF
250,000 hours at 100% duty cycle
Average File Access Time
65 seconds
Uncorrectable Error Rate
1 x 10
-17
bits
Sustained Transfer Rate
SCSI: 70 MB/sec native (140 MB/sec compressed); 504 GB/hour
Fibre Channel: 120 MB/sec native (240 MB/sec compressed); 864 GB/h
Burst Transfer Rate
c
c. The actual burst data transfer rate is limited by the performance of the host adapter, the interface controller, and the
buffer control of the drive.
SCSI: 160 MB
2
/sec
Fibre Channel: 400 MB
2
/sec
Power Consumption
SCSI: 26 watts typical read/write -- Idle--9.5w
Fibre Channel: 29.5 watts typical read/write -- Idle - 12.5w
Parameter
Specification
a
a. All specifications are subject to change without notice.
Tape capacity
b
b. Compression thoughput and capacity depend on the type of data.
400 GB native (800 GB compressed)
MTBF
250,000 hours at 100% duty cycle
Average file access time
54 seconds
Uncorrectable error rate
1 x 10
-17
bits
Sustained transfer rate
80 MB/sec native (160 MB/sec compressed)
Burst transfer rate
c
c. The actual burst data transfer rate is limited by the performance of the host adapter, the interface controller, and the
buffer control of the drive.
160 MB/sec synchronous maximum
Power consumption
28 watts typical (49 watts maximum)