Unisys LTO Ultrium Tape Drive

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Unisys LTO Ultrium Tape Drive

Linear Tape Open (LTO), an alternative to SDLT and DLT, is a midrange tape drive suited for mid- to high-end server environments that require backup and restore capabilities over a storage area network. This is an ideal solution for businesses that do not demand the duty cycle and access time of the CTS9840.

These high-capacity drives are perfect for our libraries-from our entry CLU20 all the way up to our flagship CLU700 and CLU180. Since LTO is an "open format" technology, users will enjoy its compatibility with a wide range of products and media.

Major Features

Boasts a native capacity of 100GB per cartridge (200GB with 2:1 compression)
Native transfer rate of 15MB/sec (56GB/hour) (30MB/sec with 2:1 compression)
Ideal for high-capacity server backup, restore, and archival applications
Open format enables compatibility between different vendor offerings

LTO Ultrium Specifications

Performance
Sustained transfer rate (MB/sec) Native Compressed	15 (auto adjustable to 6.0MB/sec to match slower channels) 30

Formatted Capacity
Native (GB) Compressed (GB) Average file access sec (sec) Load Time to BOT/Unload from BOT (sec)	100 (options of 50, 30, and 10GB cartridges) 200 (200GB cartridge at 2:1 compression) 71 (100GB cartridge) Less than 15 sec, 13 sec

Capacity
Native Compressed	100 (100GB cartridge) 200 (100GB cartridge at 2:1 compression)

Interfaces (in StorageTek tape libraries)
Burst transfer rate (MB/sec) Future Interfaces	80-40 LVD (Low Voltage Differential) Ultra 2 (fast wide) 40-20 HVD (High Voltage Differential) Ultra 1 (fast wide) Native Fibre Channel - optical

Tape Format
Recording format Recording density Track density (tpi) Encoding method Data compression	384 track serial serpentine, 8 concurrent tracks 93 kbits per inch 768 RLL (1,7) LTO-DC

Reliability
Mean Time Between Failures (hours) Head life (hours) Load/Unloads (cycles) Uncorrected error rate Undetected error rate	250,000 at 100% duty cycle 30,000 (tape motion hours) 100,000 1x10¹⁷ bits read 1x10²⁷ bits read

Physical
Form Factor (H x W x D)	5 ¼” full high 3.25 x 5.75 x 8” (82.5 x 146 x 203 mm)

Environmental Limits
Operating Temperature ºF (ºC) Non-condensing humidity (%) Altitude (ft. maximum) Non-Operating Temperature ºF (ºC) Non-condensing humidity (%) Altitude (ft. maximum)	50 to 104 (10 to 40) 20 to 80 30,000 -40 to 150 (-40 to 66) excluding media 10 to 95 Not Specified

Power
Voltage Power Consumption (W)	+5, +12 Operating Average 20, Operating Peak 35, Standby with cartridge 11

Media/Format Compatibility
Ultrium 1 Logo Media (Type A – 100GB capacity) (Type B, C, D are 50, 30, and 10GB capacity)

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