http://www.hitachigst.com/hdd/support/7k100/7k100.htm

Travelstar 7K100 models Capacity (GB) RPM Interface

HTS721010G9AT00 100 7200 Parallel-ATA

HTS721080G9AT00 80 7200 Parallel-ATA

HTS721060G9AT00 60 7200 Parallel-ATA

HTS721010G9SA00 100 7200 Serial-ATA

HTS721080G9SA00 80 7200 Serial-ATA

HTS721060G9SA00 60 7200 Serial-ATA


Configuration Parallel-ATA Serial-ATA

Interface ATA-6 Serial ATA 1.5Gb/s
Capacity (GB)1 100 / 80 / 60
Sector size (Bytes) 512
Recording zones 24
Data heads (physical) 4 / 4 / 3
Data disks 2 / 2 / 2
Max. areal density (Gbits/sq. inch) 81 / 66 / 66

Performance
Data buffer (MB)2 8
Rotational speed (RPM) 7200
Latency average (ms) 4.2
Media transfer rate (Mbits/sec, max) 629 / 561 / 561
Interface transfer rate (MB/sec, max) 100 Ultra DMA mode-5
1.5Gb/sec
16.6 PIO mode-4
Seek time (typical)
Average (ms) 10 R / 11 W
Track to track (ms) 1 R / 1.2 W
Full stroke (ms) 18 R / 19 W

Reliability
Load/Unload cycle 600,000

Power
Requirement +5VDC (+-5%)
Dissipation (Typical)
Startup (peak, max.) 5.5W NC
Seek 2.3W 2.7W
Read (avg.) 2.0W 2.3W
Write (avg.) 2.0W 2.3W
Active idle (avg.) 1.1W 1.2W
Low power idle (avg.) 0.85W 0.9W
Standby (avg.) 0.2W 0.25W
Sleep 0.1W NC

Physical size
Height (mm) 9.5
Width (mm) 70
Depth (mm) 100
Weight - typical (g) 115

Environmental characteristics
Operating
Ambient temperature 5° to 55° C
Shock (half sine wave) 300 G / 2ms, 160G / 1ms

Non-operating
Ambient temperature -40° to 65° C
Shock (half sine wave) 1000 G / 1 ms

Acoustics (A-Weighted Sound Power (Bels))
Idle (typ.) 2.6
Op (typ.) 3.0
RoHS compliant3 yes