Hitachi Specifications
      Show Part Numbers

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