Maximum speed of SATA III SSD?


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kiddingguy

I was wondering what the maximum speeds are in read/write of a SATA III SSD?

Is that around 550MB/s (or can higher speeds be achieved in the near future)...

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Jason S.

SATA3's specification allows for a theoretical throughput of 6Gbps, or 750MBps. if you take out the cost of overhead, you're probably limited to 600-625MB/s. So current SSDs wont get much faster.

If you remember last generation SSDs running on the SATA2 spec - they all topped out around 280MB/s max even though the SATA2 spec allows for a theoretical 375MB/s.

also, keep in mind that the 550MB/s that companies exploit are also max conditions under some certain benchmark. in real life, you may never see that number.

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kiddingguy

Thx for the replies.

I have a SATA 6Gb/s mobo, so basically all SSD's with state the theoretical 550MB/s are pretty OK?

NB Excluding 'brand preference' :)

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Jason S.

you'll want to make sure you attach the SSD to the SATA3 port(s) connected to the intel SATA controller. the other ports are usually Marvell, or the like, and are much slower. check the manual to see which ports are the intel's.

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