Scalable Linear Recording
Encyclopedia
Scalable Linear Recording is the name used by Tandberg Data
for its line of QIC based tape drives.
The earliest SLR drive, the SLR1, has a capacity of 250 MB
, while the latest drive, the SLR140, has a capacity of 70 GB
. The term SLR is now often used to refer to QIC tapes, as they are the only drives still manufactured that use them.
NOTE: MLR stands for Multi-channel Linear Recording.
Tandberg Data
Tandberg Data GmbH is a company focused on data storage products, especially streamers, headquartered in Dortmund, Germany. They are the only company still selling drives that use the QIC and VXA formats, but also produce LTO along with autoloaders, tape libraries, NAS devices, RDX Removable Disk...
for its line of QIC based tape drives.
The earliest SLR drive, the SLR1, has a capacity of 250 MB
Megabyte
The megabyte is a multiple of the unit byte for digital information storage or transmission with two different values depending on context: bytes generally for computer memory; and one million bytes generally for computer storage. The IEEE Standards Board has decided that "Mega will mean 1 000...
, while the latest drive, the SLR140, has a capacity of 70 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
. The term SLR is now often used to refer to QIC tapes, as they are the only drives still manufactured that use them.
Quarter inch formats
| Generation | SLR1 | SLR2 | SLR3 | SLR4 | SLR4-DC | SLR5 | SLR24 SLR6 |
SLR32 MLR1 |
SLR50 MLR3 |
|---|---|---|---|---|---|---|---|---|---|
| Release Date | 1986 | 1988 | 1990 | 1992 | 1997 | 1996 | 1997 | ||
| Data Capacity | 250 MB | 525 MB | 1 GB | 2.5 GB | 4 GB | 12 GB | 16 GB | 20 GB | |
| Transfer Rate (kB Kilobyte The kilobyte is a multiple of the unit byte for digital information. Although the prefix kilo- means 1000, the term kilobyte and symbol KB have historically been used to refer to either 1024 bytes or 1000 bytes, dependent upon context, in the fields of computer science and information... /s) |
84.8 | 199 | 197 | 296 | 280 | 387 | 1200 | 1500 | 2000 |
| Tape Length (m) | 311 | 457 | 462 | ||||||
NOTE: MLR stands for Multi-channel Linear Recording.
Eight millimeter formats
| Generation | SLR7 | SLR40 | SLR60 | SLR75 | SLR100 | SLR140 | SLR200 | SLR400 |
|---|---|---|---|---|---|---|---|---|
| Release Date | 1997 | 2003 | TBA | TBA | ||||
| Data Capacity | 20 GB | 30 GB | 38 GB | 50 GB | 70 GB | 100 GB | 200 GB | |
| Transfer Rate (kB/s) | 3000 | 2500 | 4000 | 4300 | 5000 | 6000 | 16000 | 32000 |
| Tape Length (m) | 466 | 274 | 350.5 | 457 | 506 | |||