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Globalstor GSTDDS-3

Three Times the Capacity of DDS-2

With a 24 GB (assuming 2:1 data compression) per 125m DDS-3 data cartridge, the GSTDDS-3 provides a compact, cost effective solution to the backup storage needs of data intensive systems.

High Speed Data Transfer

The increased linear density and precise tape control system deliver a sustained data transfer rate of 2.4 MB/s (assuming 2:1 data compression). It provides a capacity to transfer rate ratio of 10,000:1, making it possible to meet the requirements of MIS managers for a shorter backup time.

Enhance Reliability

The implementation of the new Hyper Metal head can read back data at a higher signal output amplitude than the conventional ferrite heads used in DDS-2 drives. The signal-to-noise ratio is increased by approximately 4 decibels and the error correction rate is also greatly improved.

Patented Head Cleaning Mechanism

A unique patented Head Cleaning mechanism prevents particle accumulation on the heads to minimize read/write errors.

Features

Drive Type

  • GSTDDS-3: 3.5” DDS-3 DAT tape drive

Media Type

  • 125 meter DDS-3 compatible data cartridge
  • 120 meter DDS-2 compatible data cartridge
  • 90 meter DDS compatible data cartridge
  • 60 meter DDS compatible data cartridge

Standard Compliance

  • DDS: ANSI X3.203, X3, 206

DDS-2: ISO/IEC-10777

  • ECMA-139

DDS-DC: ISO/IEC-TBD

  • ECMA-TBD

DCLZ: ISO/IEC-DIS 11558

  • ECMA-151

Interface

  • SCSI-2 FAST/NARROW

Capacity (with 125 meter data cartridge)

  • 12 GB (native)
  • 24 GB (with data compression)

Sustained Transfer Rate

  • 1.2 MB (native)
  • 2.4 MB (with data compression)

Burst Transfer Rate

  • Asynchronous: 5.0 MB/sec
  • Synchronous: 10.0 MB/sec

Linear Recording Density

  • 122,000 BPI

Recording Block Length

  • Variable or fixed

Average Access Time

  • Less than 45 seconds with 125 meter data cartridge

Search Speed

  • Approximately 200 times nominal read/write speed

Drum Rotational Speed

  • 4,252 RPM

Buffer Size

  • 2 MB

Uncorrectable Error Rate

  • Less than 1015 bits

MTBF

  • 200,000 power-on hours at 20% duty cycle

Vibration

  • 0.25 G peak, 5 to 500 Hz (swept)

Shock (Operating)

  • 5.0 G peak half sine wave of 3ms duration

Max. Wet Bulb Temperature

  • 79° F (26° C)

Operating Temperature

  • 41° f TO 104° f (5° c TO 40° c)

Storage Temperature

  • -40° f TO 158° f (-40° c TO 70° c)

Operating Humidity

  • 20% to 80% (non-condensing)

Power Requirement

  • DC 5V ± 5%
  • DC 12V ± 10%

Power Consumption

  • 6.8 watts (typical
  • Less than 10.5 watts (maximum)

Dimensions (W X H X D)

  • 4.0” X 1.62” X 5.75” (101.6 X 41.2 X 146mm)

Weight

  • 1 lb 6 oz (620 grams)

 

Hardware and Technical Specifications