> I don't know about Samsung or LG, but the Western Digital "green" drives are ONLY > 5400 rpm, not variable. I've been using them in my computers for years with no > problems. My current computer runs 24/7/365. I won't buy anything else.
They are my hard drive of choice at the moment too. I've had a 2tb one in a nas for the last three years & my new nas has 2x3tb.
The drives don't spend all of their time running though, because I have it set to spin down after 10 minutes of inactivity.