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Why not? General chat about ssd's and things i don't understand

post #1 of 6
Thread Starter 
Hey, i have a couple of ssd's coming in i plan on raiding. So i was sitting back thinking about how i think i paid a fair price even though they went on 1day sale at newegg the day after i bought them LOL... and i was thinking about ssd technology in general, which I admit i know little about. I posed a question to myself:

why don't they take a bunch of slower chips in parallel to make a faster drive for cheaper? Does it not turn out cheaper that way? I'm sure a lot of people wouldn't care about the extra real estate.

again I don't know much about the industry or anything like that, it is just impossible to google "why don't they internally parallelise cheap nand chips to make faster ssd's for cheaper" LOL Let me know as my curiosity has gotten the best of me smile.gif
post #2 of 6
Actually you hit the nail on the head!

They actually do do that, usually they run 8-10 NAND chips in parallel and fragment files across the NAND to speed everything up! smile.gif

If you like maybe check this thread out: http://www.overclock.net/t/1179518/seans-ssd-buyers-guide-information-thread
post #3 of 6
Thread Starter 
Ok that was a great read. There are a few typos lol, but I wont point them out unless you want me to haha.

Few questions for you specifically.
::
RAID - Trim will not work when you have SSDs in RAID as of yet. Intel is releasing driver support very soon for TRIM in RAID 0.
Intel SSDs and their drivers support trim in all arrays except raid 5.
::

So do they now support trim in raid0? Because that is what I will be running. Z68Express chipset specifically.


Why do the ssd controllers compress data? Wouldn't this change the amount of information they can store from a static amount (like 60, 120gb, etc) to a dynamic amount because of the different amount of compression of certain data types? And in every day use am I going to notice a difference between a sandforce drive and an m4? I'm so confused. You have me regretting buying two Agility3's instead of getting one m4.
post #4 of 6
Still needs editing, I haven't the time lately lol.
Quote:
RAID - Trim will not work when you have SSDs in RAID as of yet. Intel is releasing driver support very soon for TRIM in RAID 0.
Intel SSDs and their drivers support trim in all arrays except raid 5.
::

So do they now support trim in raid0? Because that is what I will be running. Z68Express chipset specifically.
ATM no, in the next driver revision they will have TRIM support. That will hopefully be out soon, but you can still run RAID 0 fine without TRIM.

Quote:
Why do the ssd controllers compress data?
Not all do, SandForce do, others like Marvell and Samsung do not.
Quote:
Wouldn't this change the amount of information they can store from a static amount (like 60, 120gb, etc) to a dynamic amount because of the different amount of compression of certain data types?
I never really thought about that, but I would say yes, less data is written in most cases when compressed thus you will dynamically get more usable space with certain types of data.
Quote:
And in every day use am I going to notice a difference between a sandforce drive and an m4?

Maybe maybe not, my friend said he did, but not a ton, he had a Corsair Force 3 (= to the agility 3), but he often uses his SSD for media editing, which is a lot of in-compressible data editing.
Quote:
I'm so confused. You have me regretting buying two Agility3's instead of getting one m4.
As long as your drives show no issue you should be fine, just don't expect to get great benchmarks lol.
post #5 of 6
Thread Starter 
As always sean, thanks for your help.
post #6 of 6
Quote:
Originally Posted by skydeaner View Post

As always sean, thanks for your help.
No problem, I'm off to bed for now, but if you ever have a question or have more just ask away. It actually helps me understand everything too lol. biggrin.gif
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