Power Consumption Efficiency; Start Up Current; Figure 21. Power Consumption Efficiency; Figure 22. Typical Current Wave Form At Start Up Of 60 Gb Model - IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive Specifications

6.2.1 Power consumption efficiency

Capacity (GB)
Power Consumption Efficiency (Watts/GB)

Figure 21. Power consumption efficiency

Note: Power consumption efficiency is calculated as Power Consumption of Low Power Idle Watt/
Capacity (GB).

6.3 Start up Current

Figure 22. Typical current wave form at start up of 60 GB model

0.015
Travelstar 60GH & 40GN hard disk drive specifications
60 40 30
0.016 0.022
26
20 10
0.033 0.065