3 Magnetic tape cartridges: QIC DC (rear left), DDS (right), Microcassette (front left
Magnetic Tape Storage is a way of storing digital information on a along strip of magnetic tape.
This type of storage, though outdated, is widely used as a backup storage.
magnetic tape drives are often referred to as MTD storage.
Linear
Wide (19–25.4 mm)
IBM 7340 (1961)
LINCtape (1962)
DECtape (1963)
CDC 626 (1966)
Half inch (12.7 mm)
UNISERVO (1951)
IBM 7-track (1952)
TX-2 Tape System (1958)
9-track (1964)
IBM 3480 (1984)
DLT (1984)
IBM 3590 (1995)
T9840 (1998)
T9940 (2000)
LTO Ultrium (2000)
IBM 3592 (2003)
T10000 (2006)
Eight millimeter (8 mm)
Travan (1995)
IBM 3570 MP (1997)
ADR (1999)
Quarter inch (6.35 mm)
QIC (1972)
SLR (1986)
Ditto (1992)
"Eighth" (0.15) inch (3.81 mm)
D/CAS (1971)
KC standard, Compact Cassette (1975)
DC100 (1976)
Tarbell Cassette Interface (1976)
Commodore Datasette (1977)
DECtape II (1979)
IBM PC Cassette (1981)
Stringy (1.58–1.9 mm)
Exatron Stringy Floppy (1979)
ZX Microdrive (1983)
QL Microdrive (1984)
Rotronics Wafadrive (1984)
Helical
Three quarter inch (19 mm)
Sony DIR (19xx)
Ampex DST (1992)
Half inch (12.7 mm)
ArVid (1992)
Redwood SD-3 (1995)
DTF (19xx)
SAIT (2003)
Eight millimeter (8 mm)
Data8 (1987)
Mammoth (1994)
AIT (1996)
VXA (1999)
Four millimeter (3.81 mm)