| Feature |
Description |
| Manufacturer |
Hitachi |
| Model |
HTS721080G9SA00 |
| Interface |
SATA
|
| Capacity |
80 GB |
| Sector size |
512 bytes |
| Recording zones |
24 |
| Data heads |
4 |
| Disks |
2 |
| Maximum areal density |
81 Gbits/square inch |
| Data buffer |
8192 KB - Upper 417 KB is used for firmware |
| Rotational speed |
7,200 revolutions per minute (rpm) |
| Latency |
4.2 average milliseconds (ms) |
| Maximum media transfer rate |
629 megabits per second (Mbps) |
| Maximum interface transfer rate (megabytes per second) |
100 megabytes per second (MB/sec) Ultra DMA mode-5
16.6 MB/sec PIO mode-4
|
| Seek time (typical) |
10 ms Read
11 ms Write |
| Error rate (non-recoverable)
|
1 in 1013
|
| Load/Unload cycle |
600,000 |
| Power |
| Requirement |
+5 volts DC (±5%) |
| Startup (maximum peak) |
5.5 watts (W) |
| Seek (average) |
2.5 W |
| Read (average) |
2.5 W |
| Write (average) |
2.5 W |
| Performance idle (average) |
2.1 W |
| Active idle (average) |
1.3 W |
| Low power idle (average) |
1.0 W |
| Standby (average) |
0.4 W |
| Sleep |
0.2 W |
| Power consumption efficiency (watts/GB)
|
0.0125 W
|
| Environmental |
| Temperature |
Operating: 5° to 55° C
Non-operating: -40° to 65° C |
| Relative humidity (non-condensing)
|
Operating: 8 to 90%
Non-operating: 5 to 95%
|
| Maximum wet bulb (non-condensing)
|
Operating: 29.4° C
Non-operating: 40° C
|
| Shock
|
Operating: 2940 m/sec2 (300 G) 2ms
Non-operating: 9800 m/sec2 (1000 G)/ 1ms
|
| Physical |
| Height |
9.5 millimeters (mm) |
| Width |
69.85 mm |
| Depth |
100 mm |
| Weight |
115 grams |