The Sony DGDAT72 data cartridge is capable of storing 36GB (native) on one piece of Sony DAT72 media (80% more capacity than DDS-4). With the introduction of DAT 72, Sony’s technological expertise and experience in the DDS formats havemade it possible to deliver higher compressed capacities of up to 72GB (2:1)of data protection per DAT72 data cartridge in the same DDS form factor. Operating Conditions Transfer Rate : 3MB/s General Compressed Capacity : 72GB Configuration : 3.5 HH Media Technology : Metal Particle Native Capacity : 36GB Weights and Measurements Dimensions (Approx.) : 73.0 x 54.0 x 10.5mm Weight (Approx.) : 42g (with case) General Features Worm Functionality : No