|
Performance
|
|---|
|
Tape load and thread to ready
|
8.5 sec
|
|
|
Average file access time (first file)
|
8 sec
|
|
|
Average access time
|
16.5 sec
|
|
|
Maximum/average rewind time
|
16/8 sec
|
|
|
Unload time
|
12.5 sec
|
|
|
Data transfer rate, native (uncompressed)
|
30 MB/sec
|
|
|
Data transfer rate, native (compressed)
|
70 MB/sec
|
|
|
Formulation
|
Advanced Metal Particle (AMP)
|
|
|
Coercivity
|
1625+/-75 Oersteds (130+/16.0 KA/m)
|
|
|
Substrate
|
Polyethylene Naphthalate (PEN)
|
|
|
Track-following servo
|
Factory pre-recorded
|
|
Capacity
|
|---|
|
Capacity, native (uncompressed)
|
20 GB (T9840 A/B), 40 GB (T9840C), 75 GB (T9840D)
|
|
Compatibility
|
|---|
|
Supported tape drives
|
T9840A, T9840B, T9840C, T9840D
|
|
|
Number of tracks
|
288 (T9840A, T9840B, T9840C), 576 (T9840D)
|
|
|
Form Factor
|
Half inch, 3480/3490E
|
|
Availability
|
|---|
|
Archival life
|
15–30 years
|
|
|
Short-length durability
|
80,000 write/read passes minimum
|
|
|
Long-length durability
|
6,500 write/read passes minimum (361 full file write/read passes minimum)
|
|
|
Uncorrected bit error rate
|
1x10(-18)
|
|
|
Permanent errors
|
0
|
|
|
Loads/unloads
|
10,000 minimum
|
|
Mechanical
|
|---|
|
Height
|
1.0 in (2.54 cm)
|
|
|
Depth
|
4.92 in (125 cm)
|
|
|
Width
|
4.29 in (10.9 cm)
|
|
|
Weight
|
9.17 oz (262.0 g)
|
|
|
Drop strength
|
38.4 in (1.0 m)
|
|
Environmental
|
|---|
|
Relative humidity (operating)
|
20%–80%
|
|
|
Relative humidity (storage up to four weeks)
|
5%–80%
|
|
|
Relative humidity (storage - archive)
|
30%–40%
|
|
|
Relative humidity (shipping)
|
5%–80%
|
|
|
Temperature (operating)
|
+59°F to +90°F (+15°C to +32°C)
|
|
|
Temperature (storage up to four weeks)
|
+40°F to +90°F (+5°C to +32°C)
|
|
|
Temperature (storage - archive)
|
Data transfer rate,+59°F to +77°F (+15°C to +25°C)
|
|
|
Temperature (shipping)
|
-10°F to +120°F (-23°C to +49°C)
|
|
|
Wet bulb max (operating)
|
+78°F (+26°C)
|
|
|
Wet bulb max (storage up to four weeks)
|
+78°F (+26°C)
|
|
|
Wet bulb max (storage - archive)
|
+78°F (+26°C)
|
|
|
Wet bulb max (shipping)
|
+78°F (+26°C)
|
