Performance specifications for LTO tape drives

Performance data for LTO tape drives.

Table 1. Performance specifications for LTO tape drives
Performance specifications for LTO tape drives
Generation	LTO™ 9
Inquiry	ULT3580-TD9 ULTRIUM-TD9
Interface (speed)	FC (8 Gb) SAS (12 Gb)
Native data rate	400 Mb/s (L9) 360 Mb/s (L8)
Sustained data rate (L6, L7, L8 and L9 compressed at 2.5:1 compression; L5 and earlier compressed at 2:1 compression)	FC 750 Mb/s (L9) 750 Mb/s (L8) SAS 1000 Mb/s (L9) 900 Mb/s (L8)
Burst data rate	800 Mb/s FC 1200 Mb/s SAS
Nominal load-to-ready time	17 seconds
-Initialized tape	17 seconds
-Uninitialized tape¹	40-120 minutes
Nominal unload time	30 seconds
Average space record time from load point	45 seconds
Average rewind time (REWIND command)	55 seconds
Average rewind time (part of UNLOAD command, dependent on mount activity)
Less than 5 Gb of contiguous data transferred	55 seconds
5 Gb to 50 Gb of contiguous data transferred	110 seconds
All other types of mount activity	165 seconds
¹ Cartridge initialization time can vary. See Media optimization for more information. Remember: All sustained data rates depend on the capabilities of the interconnect. Drive performance varies with media generation and drive interface (SAS/FC).