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 Quantum SDLT 220 Tape Drives

Quantum SDLT 220 Tape Drive
SDLT 220 Datasheet (pdf)


The Quantum SDLT 220 achieves huge increases in capacity and transfer speed. More importantly, this is the only architecture that provides a viable path to greater capacity and performance developments, while maintaining compatibility with the world's largest installed base of DLTtape™ cartridges.

The SDLT 220 provides the best possible protection for the long-term success of your investment in data storage solutions.

Features and Benefits

  • Up to 220GB at 22MB/s (with 2:1 compression)
  • Technology designed to reach 2TB capacity at 160MB/s

  • Fully backward read compatible with DLTtape IV cartridges

  • Advanced Metal Particle Media allows the optical servo tracks onto the reverse
    side of the tape

  • No need for magnetic pre-formatting

  • Laser Guided Magnetic Recording combines best of optical and magnetic technologies

  • Pivoting Optical Servo increases high duty cycle reliability

  • Magneto-Resistive Cluster Heads for the highest data density

  • High efficiency PRML Channel creates more tracks on the tape

  • Increased media capacity provides easier use and lower cost of ownership

Detailed SDLT 220 Specifications

PERFORMANCE
Formatted Capacity 110 GB (native), 220 GB (compressed)
Sustained Transfer Rate 11 MB/sec (native), 22 MB/sec (compressed)
Burst Transfer Rate SCSI bus 80 MB/sec (max)
Cartridge Load Time To BOT (Formatted): 12 seconds
To BOT (Unformatted): 40 seconds
File Access Time (avg) 70 seconds
Available Interfaces LVD
Ultra 2 SCSI
HVD
Ultra SCSI
TAPE FORMAT
Recording Format 448 track serial serpentine
Recording Density 113 kbits/inch
Track Density 896 tpi
Encoding Method Partial Response Maximum Likelihood (PRML)
Data Compression DLZ
RELIABILITY
MTBF 250,000 hours at 100% duty cycle
Media Durability 1,000,000 passes / 17,850 uses
Uncorrected Error Rate 1 x 1017 bits read
Undetected Error Rate 1 x 1027 bits read
Warranty 3 years
ENVIRONMENTAL
Operating Temperature 50°F to 104°F (10°C to 40°C)
Non-Operating Temperature -40°F to 151°F (-40°C to 66°C)
Operating Humidity 20% to 80% (non-condensing)
Non-Operating Humidity 10% to 95% (non-condensing)
Altitude -500 ft to 30,000 ft. (-152.4 m to 9,144 m)
Voltage +5V, +12V
Power Consumption 26 Watts (average read/write operation)
PHYSICAL SPECIFICATIONS
Dimensions (WxHxD)
Embedded Drive:
Table Top Drive:

5.84 x 3.4 x 8.35 in (148.34 x 86.36 x 212.09 mm)
6.9 x 6.3 x 12.8 in (175.26 x 160.02 x 325.12 mm)
Weight
Embedded Drive:
Table Top Drive:

5 lbs, 4 oz, (2.38 kg)
13 lbs, 13 oz (6.27 kg)

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