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Storage Media

Mammoth

Model Name : QGD170ME

 

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Main Features

Data storage format derived from Sony's metal-evaporated tape.

Cleaning Cartridge

Large-capacity 8mm data cartridge

Advanced Metal Evaporated (AME) tape provides the QGD170ME with approximately three times the capacity and six times the transfer rate of conventional D8 models. One reel of tape can store 20 GB of uncompressed data or 40 GB of compressed data and transfer data at rates of 3 MB per second for uncompressed data or 6 MB per second for compressed data.

Evaporation process of AME tape

The cobalt Hyper Evaticle magnetic layer formed by the Metal Evaporated Process exhibits exceptionally high performance not found in conventional products. The high--output power magnetic material combined with high-density packing technology makes high-density recording of AME tape possible.

Diamond-Like Carbon (DLC) protective film boasting of durability and reliability

Diamond-Like Carbon (DLC) protective film is a strong carbon film layer with a thickness measured in nanometers, resembling that of diamond. The DLC protective film has ushered in dramatic improvements in the wear resistance and durability of tape, which, when combined with anti-oxidation processing of the tape surface, has made it possible to reduce the initial error rate and increase tape archive life.

Main specifications

  QGD170ME
Format Mammoth
Recording Capacity (Compressed *1) 20GB(40GB *1)
Maximum Data Transfer Rate (Compressed *1) 3MB/s (6MB/s *1)
Tape Type AME
Coercive Force (kA/m) 105
Linear Recording Density (kbpi) 74.7
Tape Width (mm) 8
Tape Thickness (µm) 7
Tape Length (m) 170
Cartridge Dimensions (mm) 95×62.5×15
Product Weight (g) 80 (with case)
Environmental Requirements Operation Conditions (°F(°C);%RH) : 41~113(5~45)/ 20~80 *2
Storage Conditions (°F(°C);%RH) : 41~89.6(5~32)/ 20~80 *2
Transportation Conditions (°F(°C);%RH) : -40~113 (-40~45) / 5~80 *2

*1 Compression ratio 2:1
The actual capacity, compression ratio and data transfer rate may vary depending on equipment, software usage, environments and data.
1GB= 10 billion bytes

*2 Maximum wet bulb temperature : No condensation at 79°F (26°C).

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Copyright 2009 Sony Corporation
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