The Sony AIT i390ST AIT 3Ex Serial ATA Tape Drive delivers up to 390Gb capacity in a compact 3.5-inch form factor. They also offer high data transfer rates of 18.0 MB/s native for today's demanding data storage environments. Sony AIT-3Ex tape drives are backward compatible protecting your investment in the valuable data you already have stored on previous generation AIT data cartridges, while delivering the increased capacity and performance of AIT-3Ex technology. Sony AIT tape drives incorporate a redesigned head geometry, reducing head/tape pressure and delivering up to 50,000 hours of head life. The built-in Super Head Cleaner mechanism results in an industry leading MTBF rating of 400,000 POH. A 64 kbit memory chip embedded into the data cartridge provides high speed file location and file access.