DESCRIPTION 4.0GB Travan QIC/Wide Tape TR-4 minicartridge~4 gigabytes of uncompressed formatted usable data8 gigabytes compressed 740 ft of high capacity 900 Oe Gamma Ferric Oxide magnetic mediaTested for 50 800 flux transitions per inch (FTPI)Identified by a unique hole pattern and red lockout switch Up to 72 Data Tracks Preformatted per QIC-170 Black Watch backcoated tap gelps provide da