Digital tape format, in short DTF, uses the helical scan recording mechanism and feature half-inch tape reel. Capacity of Sony DTF 1 backup media tape is 12 GB. The highest capacity DTF 1 media tape can preserve 42 GB data. The second generation DTF 2 tape delivers an excellent storage capacity of 200 GB. Companies located in England, Europe, UK and beyond can take advantage of our unmatched discount offerings. Sony DTF 1 and DTF 2 tape media formats offer high backup speed and is a ideally designed for storage area networks. Low prices on all DLT cleaning tape cartridges and DTF backup tapes.