Digital Linear Tape
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Digital Linear Tape (DLT) is a de facto standard for magnetic tape technology used for computer data storage. It was invented by Digital Equipment Corporation, and was purchased by Quantum Corporation in 1994, who currently manufacture drives and license the technology.
A variant with higher capacity has the code-name Super DLT (SDLT).
Manufacturers of cartridges for the DLT market include:
| Standard | Capacity (GB) | Interface | Speed (MB/s) | Date | Media |
|---|---|---|---|---|---|
| DLT2000 | 15 | SCSI | 1.25 | 1993 | DLTII |
| DLT4000 | 20 | SCSI | 1.5 | 1994 | DLTIII |
| DLT7000 | 35 | SCSI | 5 | 1996 | DLTIV |
| SDLT 220 | 110 | Ultra-2 | 10 | 1998 | SDLT I |
| DLT8000 | 40 | SCSI | 6 | 1999 | DLTIV |
| SDLT 320 | 160 | Ultra-2/Ultra-3 | 16 | 2003 | SDLT I |
| SDLT 600 | 300 | Ultra-320/Fibre channel | 40 | 2004 | SDLT II |
| SDLT 1280 | 640 | 50 | 2005 | SDLT III | |
| SDLT 2400 | 1200 | 100 | 2006 | SDLT IV |
LTO is a competing tape technology.