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Generation 4
Delivering 1.6TB (2:1 compression) and up to 800 GB native per cartridge, Ultrium format Generation 4 provides data transfer rates of up to 240 MB/second (2:1 compression), the LTO Ultrium format generation specification was made available to licensees in late December 2006.
Generation 3
Featuring capacities of 800 GB (2:1 compression) and up to 400 GB native per cartridge,
Ultrium format Generation 3 provides data transfer rates of up to 160 MB/second (2:1 compression) for the third generation of the 8-channel version.
Generation 3 licenses became available on July 26, 2004 with products appearing in late 2004.
Generation 2
With a cartridge capacity of up to 400 GB (2:1 compression) and up to 200 GB native, Ultrium format Generation 2 provides data transfer rates of up to 80 MB/second (2:1 compression).
Licenses for Generation 2 became available in April 2002 with products appearing in late 2002.
Generation 1
First licensed in 1998, with product appearing in 2000, Ultrium format Generation 1 provides cartridge capacities of up to 200 GB (2:1 compression) and up to 100 GB native with data transfer rates of up to 40 MB/ second (2:1 compression).
The LTO program roadmap calls for the following capacity and performance figures of future generations:
Generation 5
Capacity: 3.2 TB (assuming a 2:1 compression)
Data transfer speed: up to 360 MB/s (assuming a 2:1 compression)
Generation 6
Capacity: 6.4 TB (assuming a 2:1 compression)
Data transfer speed: up to 540 MB/s (assuming a 2:1 compression)
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Released Generations Include: