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Quantum Main  

Sunstar Company. Inc. is proud to be a Quantum/ATL  partner!

Quantum DLT 4000

Capacity plus performance make the DLT 4000 an attractive solution for high end workstations, servers and networks. This drive set the mark for quality and reliability, and its long track record has proven this out. The simple and stable engineering and design of the DLT 4000 ensure high durability in heavy duty commercial applications.

Benefits

bulletNative capacity of 20 GB at 1.5 MB/s
bullet2:1 Compression allows 40 GB at 3 MB/s
bulletRead and Write backward compatible with earlier DLTtape formats
bulletProven scalability for future storage needs
bulletAdvanced Linear Recording technology for dependable performance
bulletPrecision Tape Guidance System for increased reliability
bulletUnique Tape Mark Directory for faster access time
bulletDual channel read/write system
bulletIndustry standard, open system

Data Sheet (pdf)

Specifications

Performance

  
Native sustained transfer rate 1.5 MB/s
2:1 compressed transfer rate 3 MB/s
Burst transfer rate, synchronous 10 MB/s
Native formatted capacity 20 GB
2:1 compressed capacity 40 GB
Average file access time 68 sec
Interfaces available SCSI-2 Fast, single ended or differential

Tape format

  
Recording format 128 track serial serpentine
Recording density 82 k bits / inch
Track density 256 tpi
Encoding method RLL 2,7
Data compression DLZ

Reliability

  
MTBF 200,000 hours at 100% duty cycle
Head life 10,000 hours
Media durability 1,000,000 passes / 15,000 uses
Uncorrected error rate 1 x 1017 bits read
Undetected error rate 1 x 1027 bits read
Warranty 3 years

Physical

  
Width 5.75" 144.8 mm
Height 3.25" 82.5 mm
Depth 9" 228.6 mm
Weight - varies by configuration 5 lb 2.27 kg

Environmental limits, operating

  
Temperature 50° to 104° F / 10° to 40° C
Non-condensing humidity 20% to 80%
Altitude +8,000’ max
   

Environmental limits, non-operating

  
Temperature -40° to 151° F / -40° to 66° C
Non-condensing humidity 10% to 95%
Altitude +30,000’ max

Power

  
Voltage +5V, +12V
Power consumption 25 Watts (average read / write operation)

Media compatibility

  
DLTtape III 2.6, 6, and 10 GB native capacities
DLTtape IIIxt 15 GB native capacity
DLTtape IV 20 GB native capacity
DLT cleaning tape 20 uses
   

Tape life

  
Archive storage - with < 5% loss in demagnetization at 20° C and 40% non-condensing humidity > 30 years
Durability - average in typical office / computing environment 1,000,000 head passes
 

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