I have a Win7 Pro, 64bit system and one week ago I installed 2 brand new, WD 3 TB Black Caviar, 3.5" SATA HDDs in my system for added video storage and one of them makes a loud spinning noise. The disk works fine otherwise, the noise appears only randomly and first appeared on day 3 after installation.
Sometimes on start up it begins SUPER loud (no clicking or whining, just LOUD spinning sound) then after about 10 minutes the sound begins to lower, then after another few minutes or so it levels off to a soft hum. Twice it started making a racket after the system had been on for more than 12 hours, but it only took about 5 - 7 minutes for it to completely settle down.
This system is on 23 hours, 5 days a week recording the stock market. During the week, I do daily maintenance and then turn it off for 1 hour every day. On the weekends it gets used during most of the day, but gets turned off overnight.
The soft hum level is what it's twin drive does ALL the time so I'm not sure why this drive makes so much noise when it does.
I visited this page
and none of the disk sizes or sounds match my problem. Some other forum writers have said that these higher speed HDD are louder then slower models, but the sound my disk makes seems a bit extreme to be classified as normal.
Anyone with experience with these drives, I'd appreciate your input.