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I'm planning to purchase a Crucial M4 256G SSD.
There are 2 versions though, 7mm and 9.5mm, at the same price on Newegg.com
My current laptop is 9.5mm SATA II. However, I plan to purchase a new laptop as soon as Ivy Bridge quad-core laptops (the 35W i7-3612QM interests me most) are available, which will certainly have SATA III (and I plan to use a legacy HDD in optical bay). However, I'm not sure if it will come with a 7mm or 9.5mm slot.
My question is, will a 7mm SSD fit in a 9.5 mm slot? Is there any disadvantage?
(BTW, comments are welcome if you feel Crucial M4 is not a good choice. I chose this after I read rumors about SandForce. I also do not see any reason to switch to Intel 320 Series as Crucial seems to have good reliability as well.)
2Yes- as long as its not bigger. There is usally a caddy that holds the HDD. this is where the SSD will have to be put... so it will fit snug to specification, and usually when you put the cover on, the screws hold the caddy in place.. – Piotr Kula – 2012-01-06T19:50:47.057
@ppumkin You mean 7mm will be able to fit into the 9.5mm slot just as if it is a 9.5mm one? I just viewed the photos on Newegg and it seems all screw's relative position to the connector are the same for both version. – Haozhun – 2012-01-06T19:54:44.870
Yea- its the thickness. It can be smaller than spec. But some 2.5" like 750GB are thicker and dont always fit.. The srews are positions absolutley to the sata port.. so that it will fir perfectly.. there is no need for convertors or anything. It is a standard that has to be follwed- or it will say- you need another caddy or something psecial- which is very rare. enjoy the ssd :) – Piotr Kula – 2012-01-06T19:57:02.643
2@ppumkin Thank you for your answer. Why not answer my question, instead of commenting, so that I can accept your answer? :) – Haozhun – 2012-01-06T19:59:46.760
If your laptop does not have a caddy, you may need a shim to guarantee the drive doesn't move and put stress on the SATA connectors. – rob – 2014-02-08T03:44:58.670