An earlier high-performance half-inch magnetic tape technology from IBM. Designated 3590 and enhancing the 3480 line, Magstar provided ESCON and SCSI connectivity to IBM mainframes and midrange systems. Tape libraries were available that held from a handful to thousands of cartridges.The 3480In 1984, the 3480 was a breakthrough tape technology, providing more storage in a cartridge than in reels, the common tape housing at that time. In addition, the drives took up half the floor space. In 1995, the new 3590 line was branded Magstar. See Magstar MP, half-inch tape and magnetic tape.# of Tape RawType Year Tracks Length Capacity3590 Magstar 3590H 2002 284 320 m 30GB 3590E 1998 256 300 m 20GB 3590B 1995 128 300 m 10GB 34xx 3490E 1991 36 300 m 800MB 3490 1989 18 160 m 400MB 3480 1984 18 160 m 200MB.