[ltp] Re: solid state drive?

[Micha Feigin]

On Mon, 16 Feb 2009 14:21:50 +0100
km <km@grogg.org> wrote:

> On 16/02, Volker Krueger wrote:
> > Dear all,
> > 
> > I am interested in your comments on solid state drives?
> > Does any one have experiences with cheaper non-lenovo drives?
> > what is the speed and wattage? Can one actually save battery time with them?
> > 
> > any info welcome :-))
> > 
> > best,
> > Volker
> > 
> > 
> > -- 
> > The linux-thinkpad mailing list home page is at:
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
> 
> I believe the general understanding is that you dont save power with SSD's.
> SSDs use about the same amount of power as a hard drive.
> 
> See this article on toms hardware for power comparisons:
> http://www.tomshardware.com/reviews/ssd-hard-drive,1968.html
> 
> The wins on the other hand is:
>  - speed (my x300 boots XP to desktop in 7 seconds and ubuntu in 15)
>  - robustness (no moving parts)
>  - sound (no moving parts)
> 

Yes, but AFAIK write is a lot slower than standard disk

> My only experience is with the samsung SSD in my x300. The best way I
> have of describing it is that the drive is no longer a factor for
> anything in the laptop. Everything is either CPU, network or memory bound.
> Disk I/O is never the issue as I see sustained write around 90mb/s, reads
> at 100mb/s and nonexistant latency.
> 
> One thing to have in mind is that SSDs are still new and theres alot of
> things happening so what is true today will probably not be true in six
> months. And try to stay clear of MLC SSDs.
> 
> 
> -km
>