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[Anand] Two new SATA specs.

post #1 of 10
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Quote:
The spec won't be complete until the end of the year, but it will allow for two new SATA speeds: 8Gbps and 16Gbps as well as backwards compatibility with existing SATA devices. SATA Express will leverage PCIe 3.0 for higher operating speeds, perhaps indicating that it'll layer on top of PCIe rather than remain as an independent interface. If the spec is completed at the end of this year, don't expect to see controller support until mid to late next year at the earliest. It'll take a while for SSDs to natively support the standard as well.
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Amazing.. but already?
Edited by andos - 8/11/11 at 6:41am
>dat smooth feel
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>dat smooth feel
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post #2 of 10
Quote:
Originally Posted by andos View Post
Amazing.. but already?
At the rate SSDs are progressing it's not too soon. The peak throughput for SATA III is about 600 MB/s and mainstream SSDs like the Vertex 3 have sequential read/write speeds that exceed 500 MB/s.
post #3 of 10
Quote:
Originally Posted by andos View Post
Amazing.. but already?
It takes 2-3 years for the final spec... then 1-3 more years before products to roll out.


With the performance growth of SSDs and mobile devices, SATA needs to be faster and more accessible for devices in 3-5 years.
Edited by DuckieHo - 8/11/11 at 7:01am
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post #4 of 10
Quote:
Originally Posted by scottb75 View Post
At the rate SSDs are progressing it's not too soon. The peak throughput for SATA III is about 600 MB/s and mainstream SSDs like the Vertex 3 have sequential read/write speeds that exceed 500 MB/s.
And adding RAID on top of those single drive speeds and we're already going way past the current 6Gb/s spec speeds easily. Plus X79 is about to drop 4-10 6GB/s ports on us very soon so I'd say 6Gb/s spec is already well surpassed and has been since before it was even released.
    
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post #5 of 10
Yes this looks interesting.....just got done reading this.
http://www.techspot.com/news/45018-n...to-16gb-s.html
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post #6 of 10
Quote:
Originally Posted by lsdmeasap View Post
And adding RAID on top of those single drive speeds and we're already going way past the current 6Gb/s spec speeds easily. Plus X79 is about to drop 4-10 6GB/s ports on us very soon so I'd say 6Gb/s spec is already well surpassed and has been since before it was even released.
SATA is a point-to-point interface.... RAID has nothing to do with SATA performance. Each device gets a dedicated channel to the controller. RAID may cause a bottleneck from the controller to the rest of the system though.
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post #7 of 10
Ya, that's how I meant to say it, bottle-necking the controller.

Thanks for clearing up what I meant to say
    
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post #8 of 10
Quote:
Originally Posted by DuckieHo View Post
It takes 2-3 years for the final spec... then 1-3 more years before products to roll out.


With the performance growth of SSDs and mobile devices, SATA needs to be faster and more accessible for devices in 3-5 years.
6 years max? That's going to be a while.
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post #9 of 10
Better just go straight to 16Gbit, with the speeds SSDs are going we've already maxed out SATA3.
post #10 of 10
Wow...and I thought I already had a fast system. *wrong-face*.
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