Imation Ultrium LTO-1 Data Tape Cartridge 41089 (100GB/200GB) The Imation LTO1 supplies the ability to save massive amounts of data in a reliable and efficient manner. Each of the 10 LTO-1 Imation tape cartridges is able to hold 100MB of uncompressed and 200MB of compressed data for 30 years and more. Additionally, the LTO-1 offers a 40MB/second transfer rate (2:1 compression).