dds tapes

data media > DDS Tapes > DDS-4 Tapes

Product Overview A DDS tape drive uses helical scanning for recording, the same process used by a video cassette recorder (VCR). There are two read heads and two  write heads. The read heads verify the data that has been written (recorded).  If errors are present, the write heads rewrite the data. DDS-4 stores up to 20 GB uncompressed (40 GB compressed) on a 150 m  cartridge. This format is also called DAT 40.
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