[ltp] 5400 RPM hard drives?

[Kelvin KAN]

I once examined the power ratings of the 40GB 5400rpm vs 4200rpm from 
IBM website when I was considering the upgrade from 20GB 4200rpm.  I 
found the power ratings were roughly proportional to rpm i.e. about 
9:7.  I am frequently on battery power and it's an issue to me.

Ari Pollak wrote:

> This isn't totally Linux-related, so I apologize in advance.
> I'm considering a larger hard drive for my Thinkpad T41 (I currently 
> have a 30 GB 4200 RPM), possibly an 80 GB 5400 RPM.
>
> However, I'm wary of this, not because of the price, but possible 
> other issues - have any of you replaced a 4200 RPM drive with a 5400 
> RPM drive? Did battery life suffer? Was the drive any louder?
>