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 Quantum SDLT 320 Tape Drives

Quantum SDLT 320 Tape Drive
SDLT 320 Datasheet (pdf)




The Quantum SDLT 320 sets a new standard in tape backup capacity and performance. In addition to offering the lowest cost per GB of any other storage solution on the market, users enjoy the industry-wide acceptance of the DLT format. To protect your investment, the SDLT 320 is backward read compatible with DLT 4 media and uses the same SDLT 1 cartridges as the SDLT 220.

The SDLT 320 is specifically designed for high duty-cycle requirements within high-end and automated environments, making it the ultimate solution for those with demanding backup needs.

Features and Benefits

  • Up to 320 GB of data storage (with 2:1 compression)

  • 250,000 hours MTBF at 100% tape motion

  • Full backward-read compatibility with DLT 4 cartridges; uses SDLT 1 media

  • Advanced Metal Particle Media embeds the optical servo tracks onto the reverse side of the tape freeing up 100% of tape's magnetic side for recording data

  • High efficiency PRML Channel creates more tracks on the tape

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

  • Pivoting Optical Servo increases reliability under high duty cycles
  • Magneto-Resistive Cluster Heads enable the highest data density

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

Detailed SDLT 320 Specifications

PERFORMANCE
Formatted Capacity 160 GB (native), 320 GB (compressed)
Sustained Transfer Rate 16 MB/sec (native), 32 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 193 kbits/inch
Track Density 1058 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 27 Watts (average read/write operation)
PHYSICAL SPECIFICATIONS
Dimensions (WxHxD)
Embedded Drive:
Table Top Drive:

5.74 x 3.24 x 8.37 in (145.79 x 82.29 x 212.59 mm)
6.9 x 6.46 x 12.8 in (175.26 x 164.08 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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