AIT-4 was released in 2005 and had double the capacity and transfer speed of AIT-3 with 200 GB capacity and 24 MB/s transfer rate. A new tape formulation was used to make AIT-4 tapes, AME-2 (Advanced Metal Evaporated 2). AIT-4 media is based on AME II technology, which enables the media’s extraordinary area recording density, as well as its high durability. AME II media realizes high output and low noise through an improved metal evaporated method resulting in smaller magnetic particles and smoother tape surface minimizing the spacing loss between the magnetic head and the magnetic layer. Unfortunately, this prevents the AIT-4 tape from being backwards compatible. R-MIC is also available in AIT-4 and provides quick media loads and allows fast searches to data. The R-MIC chip contains the tape's system log, search map and user-definable information, allowing the AIT-4 drive to advance at a high speed directly to any file on the tape. Related products are AIT-1, AIT-2, AIT-3, AIT-5, AIT-1 Turbo, AIT Cleaning Cartridge, AIT Super Tape, AIT Barcode Labels and AIT Empty Cases.
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