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FUNCTIONAL SPECIFICATIONS |
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Formatted storage capacity |
30.0 GB |
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Disks |
3 |
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Heads (read/write) |
6 |
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Track capacity (formatted) |
185,856 to 287,232 bytes |
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Bytes per sector |
512 bytes |
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Cylinders |
19,936 |
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Sectors per track |
363 to 627 |
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Seek time (track to track) |
1.5 milliseconds |
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Seek time (average) |
12 milliseconds (read/write) |
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Seek time (full track) |
22 milliseconds (read/write) |
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Average latency time |
7.14 milliseconds |
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Rotational speed |
4,200 RPM |
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Recording density |
499,700 bits per inch |
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Track density |
32,300 tracks per inch |
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Data transfer rate (to/from media) |
16.4 to 28.7 MB per second |
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Data transfer rate (to/from media) |
66.6 megabits per second |
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Data transfer rate (DMA mode 2) |
66.6 MB per second |
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Data transfer rate (PIO mode 4) |
66.6 MB per second |
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Data transfer rate (UDMA mode 4) |
66.6 MB per second |
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Recording code |
16/17 MTR MEEPRML |
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Interface |
ATA-5 |
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Head positioning method |
ROTARY VCM (Embedded Servo) |
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Spindle start time |
5 seconds typical |
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Spindle stop time |
5 seconds typical |
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Data buffer size |
2MB KB |
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PHYSICAL SPECIFICATIONS |
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Power requirement Voltage |
5V ± 0.5% |
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Ripple |
100 mV P-P |
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Power requirement Spin up |
0.90A maximum |
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Power requirement Read/write |
2.6 W (typical) |
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Power requirement Idle (ready) |
0.25 W (typical) |
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Power requirement Sleep |
0.1 W (typical) |
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Height |
12.5 millimetres |
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Width |
70 millimetres |
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Depth |
100 millimetres |
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Weight |
134g kg |
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Ambient temperature (operating) |
5 to 55 degrees C |
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Ambient temperature (non-operating) |
-40 to 65 degrees C |
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Gradient |
20 degrees C per hour |
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Relative humidity (operating) |
8 to 90 % RH (non-condensing) |
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Relative humidity (non-operating) |
5 to 95 % RH (non-condensing) |
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Maximum wet bulb |
29 degrees C (non-condensing) |
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Vibration (operating) |
1.0G (5 to 400Hz) |
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Vibration (non-operating) |
5.0G (5 to 400Hz) |
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Shock (operating) |
175G 2ms |
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Shock (non-operating) |
120G 11ms |
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Altitude (operating) |
-300 to 3,000 metres |
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Altitude (non-operating) |
-300 to 12,000 metres |
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Acoustic noise (at 1 metre idle) |
30 dBA typical |
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RELIABILITY SPECIFICATIONS |
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MTBF (Mean Time Between Failures) |
More than 300,000 power on hours |
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MTTR (Mean Time To Repair) |
30 minutes or less |
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Component life (years) |
5 years |
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Component life (hours) |
20,000 power on hours |
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Unrecoverable errors |
1 per 10^13 bits read |
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Seek errors |
1 per 10^6 seeks |
