| Native sustained transfer rate |
1.5MB/s |
| 2:1 compressed transfer rate |
3MB/s |
| Burst transfer rate, synchronous |
10MB/s |
| Native formatted capacity |
20GB |
| 2:1 compressed capacity |
40GB |
| Average file access time |
68 sec |
| Interfaces available |
SCSI-2 Fast, single ended or
differential |
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DLT 4000
Tape format |
| Recording format |
128 track serial serpentine |
| Recording density |
82 k bits / inch |
| Track density |
256 tpi |
| Encoding method |
RLL 2,7 |
| Data compression |
DLZ |
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DLT 4000
Reliability |
| MTBF |
200,000 hours at 100% duty cycle |
| Head life |
10,000 hours |
| Media durability |
1,000,000 passes / 15,000 uses |
| Uncorrected error rate |
1 x 1017 bits read |
| Undetected error rate |
1 x 1027 bits read |
| Warranty |
3 years |
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Environmental limits, operating |
| Temperature |
50° to 104° F / 10° to 40° C |
| Non-condensing humidity |
20% to 80% |
| Altitude |
+8,000' max |
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Environmental limits, non-operating |
| Temperature |
-40° to 151° F / -40° to 66° C |
| Non-condensing humidity |
10% to 95% |
| Altitude |
+30,000' max |
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Power |
| Voltage |
+5V, +12V |
| Power consumption |
25 Watts (average read / write
operation) |
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DLT 4000
Media compatibility |
| DLTtape III |
2.6, 6, and 10GB native
capacities |
| DLTtape IIIxt |
15GB native capacity |
| DLTtape IV |
20GB native capacity |
| DLT cleaning tape |
20 uses |
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Tape life |
Archive storage - with < 5% loss
in demagnetization at
20° C and 40% non-condensing humidity |
> 30 years |
| Durability - average in typical
office / computing environment |
1,000,000 head passes |
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