Quick and quiet but the IDLE click

With the conversion of my MacBook Pro on SSD I bought this hard drive to use it as a second drive in the MacBook Pro. Because of my decision to buy Hitachi were the reports of their quiet operation. Also I had read through various tests and I finally decided on it.

The Hitachi is viewed from the smoothness ago, really quiet. But it has an IDLE click. From time to time a soft click was heard when the heads were at rest. Since it is very quiet with me, bugged me with the time of this, albeit quietly, click. I bought the small program "hdapm", the Pro this IDLE click prevented when starting the MacBook, because it affects the power management of disk drives. So the heads no longer go constantly back to the rest position and produce not by this click. However, then increase the battery consumption.

This "engagement" I now use the hard drive for a month and am very happy with the speed of the disk and the rest achieved.

Anyone who wants to get rid of even the IDLE clicks on his Mac: [...]