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Sata 6gb/s SSD on a Sata 3gb/s port?

post #1 of 17
Thread Starter 
I'm looking at SSDs. My mobo only has 3gb/s sata connections but I don't plan on staying with this setup forever. At some point I will be moving to an i series board that has 6gb/s sata ports.

I understand that running a 6gb/s drive on a 3gb/s port will bottleneck the drive. How much though? Will it just top out at the 3gb/s max speed (280mb/s??)? Or will it really destroy the performance as compared to a 3gb/s drive?

Also, will it damage the drive at all doing this?
    
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post #2 of 17
Yes, it will bottleneck the sequential performance.... but will have no impact or provide better random performance using the native SATA controller even if is 3Gb/s. Random performance is more important for an OS/app drive.
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post #3 of 17
I'm guessing the SSD in question is the C300. That's the only drive I've seen that will take advantage of SATAIII, all others are within SATAII speeds. The C300 will cap off at around SATAII max speed in reads, but writes are within SATAII to begin with, so they will go unchanged.
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post #4 of 17
Thread Starter 
So is 6gb/s the way to go?
    
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post #5 of 17
Quote:
Originally Posted by TFB;11756303 
So is 6gb/s the way to go?

*sigh*

Will this drive be used for OS/apps? If so, use your motherboard's chipset controller regardless of SATA generation.
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post #6 of 17
an SSD connected to a regular SATA 3gb/s is still VERY fast!
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post #7 of 17
Right now, it doesn't really matter. Like Duckie said, the 4k read/writes are more important and they top out at around 30 or so MB/s..no where close to SATA3G or SATA6G.

You would only notice it if you were copying a movie or some big file.
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post #8 of 17
Thread Starter 
Quote:
Originally Posted by DuckieHo;11756362 
*sigh*

Will this drive be used for OS/apps? If so, use your motherboard's chipset controller regardless of SATA generation.

Yes. I will have my linux install on the SSD so all my applications will be there too. My /home partition that stores my music/movies/docs will be on a mechanical drive.
    
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post #9 of 17
SATA6G is the way to go if you have it nativly, like on a P67 board or AMDs SATA6G native, don't go out of your way to buy a controller card, as your drive will perform best on native SATA3G if you have an intel controller. OS performance is increased.
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post #10 of 17
Quote:
Originally Posted by Sin0822;11756470 
SATA6G is the way to go if you have it nativly, like on a P67 board or AMDs SATA6G native, don't go out of your way to buy a controller card, as your drive will perform best on native SATA3G if you have an intel controller. OS performance is increased.

This man is the C300 king, he helped me out immensely on this thread.

http://www.overclock.net/ssd/858028-i-need-little-ssd-help.html

Asus boards have a horrable marvell controller so I just run mine in sata II . I finally got to run it in sata III for 2 days and then it blued on me so I just use the II. And its pretty dog gone fast. Boots from an open windows and back into open windows in about 20 to 35 seconds (varies). Great choice for the future when sata III becomes main stream. And better it has potential for really high speeds. IMO:)

Another link for the info on these drives if you need it.

http://www.overclock.net/ssd/859715-crucial-realssd-c300-128gb-single-vs.html
Edited by lone1dog - 12/23/10 at 6:06pm
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