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There's a lot of talk about whether to stay with DLT or to migrate to competing tape formats. A more plebeian concern is what kind of DLT tape cartridge to purchase? The following table highlights some of the major differences between the DLT tape cartridges.
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A look at Quantum-approved DLT formats. Prices pulled from http://www.totalmedia.com
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COMPANY
CAPACITY, NATIVE, COMPRESSED (DRIVE TYPE)
TRANSFER RATE (NATIVE COMPRESSED)
COLOR
TAPE TYPE
ARCHIVAL STORAGE
DURABILITY(AVERAGE HEAD PASSES)
AVERAGE PRICE PER CARTRIDGE
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SuperDLT tape 1
110GB, 220GB (SDLT 220)
11MB/s 22MB/s
Green
Advanced Metal Powder
> 30 years
1,000,000
$132.33
DLT tape IV
40GB, 80GB (DLT 8000)
6MB/s 12MB/s
Black
Metal Powder
> 30 years
1,000,000
$61.09
DLT tape IIIxt
15GB, 30GB (DLT 8000)
1.25MB/s 2.5MB/s
White
Metal Powder
> 30 years
1,000,000
$35.81
DLT tape III
10GB, 20GB (DLT 8000)
1.5MB/s 3.0MB/s
Gray
Metal Powder
> 20 years
500,000
$30.40
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