SATA 2
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Posted by Nik Simms (Web Developer) on October 7, 2005, 12:44 pm
Please log in for more thread options Are they any better than the sata 1 drives. I read an article that suggest they are not that much different in speed. -- Nik http://www.pc-gear.co.uk | ||||||||||||||||||||||
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Posted by John McGaw on October 7, 2005, 12:59 pm
Please log in for more thread options A real SATA II drive should be much faster than a SATA I -- but only for the length of time that it takes to empty the buffer. And 8-16mb of data moves by very very quickly. After that the data flow is controlled completely by the rate it can move to/from the spinning disk and even a relatively slow PATA interface can keep up with that pretty well. So what is left? Well, native command queuing is nice but for most people and on a single-user system the effect will be pretty subtle (not to mention that some SATA I drives have it and some SATA II drives apparently don't!). I'm sure that some day data density will get to the point where it can saturate a SATA I interface but that will probably be a matter of years and then SATA II will really be necessary to maintain the data flow. Not specifically on-topic but this is an interesting article about the obfuscation being practiced in the hard drive industry: http://www.anandtech.com/storage/showdoc.aspx?i=2450 -- John McGaw [Knoxville, TN, USA] http://johnmcgaw.com | ||||||||||||||||||||||
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Posted by Jamie on October 7, 2005, 4:15 pm
Please log in for more thread options Isn't the main difference a clip on the connector and NCQ?
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Posted by DevilsPGD on October 7, 2005, 9:18 pm
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>Isn't the main difference a clip on the connector and NCQ?
> NCQ is part of SATA and doesn't require SATA-II, it just needs a drive with NCQ as part of the chip. -- I should have gotten off in crackton -- Lisa | ||||||||||||||||||||||
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>
> Are they any better than the sata 1 drives. I read an article that suggest
> they are not that much different in speed.