Solid State HDs - worth the cost?

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Fri Jan 15 19:32:19 UTC 2010


On Fri, Jan 15, 2010 at 02:17:59PM -0500, Madison Kelly wrote:
> William O'Higgins Witteman wrote:
>> My reading suggests that using a solid-state drive for the OS would
>> result in a noticeable (perhaps significant) speed increase to a
>> system.
>>
>> I have one user who has a SSD in his laptop, and it is not noticeably
>> faster than a regular HD, but it is a laptop, and it is running Windows.
>> So, I have one data point which suggests it's not worth doing.  Anyone
>> have any experience to share?
>
> If you go for SSD, try to find an SLC drive. They tend to be a bit more  
> expensive than MLC drives, but they have a significantly higher number  
> of write cycles (ie: 10,000 -> 100,000 writes per cell).
>
> As for "will it be faster"; It depends on what you are doing with it. If  
> you're frequently seeking across the disk (ie: a lot of random DB reads,  
> etc), then yes, it will make a big difference. Applications will load  
> quicker and files will save faster, but if you don't do that a lot or  
> are not using huge files then it's kind of hard to justify.
>
> SLC = Single Layer Cell
> MLC = Multi Layer Cell

s/Layer/Level/g

-- 
Len Sorensen
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