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Performance
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Tape Speed
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- Read and write: 2.0 m/sec (79 ips) - T9940A, 2.8 m/sec (95 ips) - T9940B
- Search and rewind: 11.0 m/sec (440 ips)
- Formulation: Advanced metal particle (AMP)
- Coercivity: 1625+/-75 Oersteds (130+/16.0 KA/m)
- Substrate: Polyethylene naphthalate (PEN)
- Track-following servo: Factory pre-recorded
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Capacity
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Capacity, native (uncompressed)
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60 GB (T9940 A), 200 GB (T9940B)
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Availability
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Archival life
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15–30 years
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Short-length durability
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80,000 write/read passes minimum
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Long-length durability
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6,500 write/read passes minimum (361 full file write/read passes minimum)
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Uncorrected bit error rate
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1x10-18
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Permanent errors
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0
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Loads/unloads
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10,000 minimum
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Compatibility
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Supported tape drives
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T9940A, T9940B
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288 (T9940A), 576 (9940B)
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Form Factor
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Half inch, 3480/3490E
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Mechanical
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Height
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1.0 in (2.54 cm)
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Depth
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4.92 in (12.5 cm)
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Width
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4.29 in (10.9 cm)
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Weight
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9.17 oz (262.0 g)
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Drop strength
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38.4 in (1.0 m)
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Environmental
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Relative humidity (operating)
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20%–80%
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Relative humidity (storage up to four weeks)
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5%–80%
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Relative humidity (storage - archive)
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30%–40%
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Relative humidity (shipping)
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5%–80%
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Temperature (operating)
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+60° to +90° F (+15° to +32° C)
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Temperature (storage up to four weeks)
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+40° to +90° F (+5° to +32° C)
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Temperature (storage - archive)
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+59° to +77° F (+15° to +25° C)
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Temperature (shipping)
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-10° to +120° F (-23° to +49° C)
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Wet bulb max (operating)
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+78° F (+26° C)
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Wet bulb max (storage up to four weeks)
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+78° F (+26° C)
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Wet bulb max (storage - archive)
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+78° F (+26° C)
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Wet bulb max (shipping)
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+78° F (+26° C)
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Options
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9840 VolSafe data cartridge
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StorageTek’s 9840 VolSafe® data cartridge provides 20 gigabytes (native) of non-erasable, non-rewritable, write-once-read-many (WORM) storage for use in T9840B tape drives.
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