Re: [MLUG] solid state drives

[Jack Smith <EMAIL:PROTECTED>]

On Fri, 2008-07-25 at 17:01 -0500, Mike Miller wrote:

> My response:
> 
> 
> Thanks for sharing that.  That is interesting information. Apparently, the 
> 4200 RPM HDD took 50% or more time than the SSD on every job but only 25% 
> longer on "untar kernel," for some reason.
> 
> On NewEgg.com, most of the 64GB SSD drives are in the $700-$800 range, but 
> there's this one at $285:
> 
> http://www.newegg.com/Product/Product.aspx?Item=N82E16820208432
> 
> So what's wrong with that one?!  ;-)
> 
> Mike

It's using slower and shorter-lived multi-level cell (MLC) Flash rather
than the much more expensive, faster, and longer-lived single-level cell
(SLC) Flash. The "-M" at the end of the product name gives it away:

http://www.transcendusa.com/Products/ModDetail.asp?ModNo=177

Transcend's own data lists the MLC version as 116 MB/sec read, 43 MB/sec
write vs. 119 MB/sec read, 64 MB/sec writes for the SLC Flash. They do
not list the estimated life span in I/O operations for the two types but
they do note that the SLC version is recommended for OS installation:

http://www.transcendusa.com/Products/ModDetail.asp?ModNo=177&SpNo=3&LangNo=0

I hope that answers your question.

--Jack


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