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Sata III SSD and Sata II 2.5" Bay ... Problem?

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July 28, 2011 3:59:39 AM

Currently working on a new build; I currently have a 64GB Crucial Sata III SSD ( http://www.newegg.com/Product/Product.aspx?Item=N82E168... ).

I had a spare 2.5" x2 to 3.5" bay laying around ( http://www.newegg.com/Product/Product.aspx?Item=N82E168... ), but it has its own SATA II connections.

My question is how big of a deal is it that I would be using a SATA II intermediate instead of staying SATA III from SSD to mobo? Would I lose a significant amount of read/write speed? Should I order a bracket without connections instead?

I am also using a GIGABYTE GA-Z68X-UD4-B3 ( http://www.newegg.com/Product/Product.aspx?Item=N82E168... ), and I plan on running 2x Bararacuda 1 TB 7200 RPM SATA III HDD ( http://www.newegg.com/Product/Product.aspx?Item=N82E168...) in RAID 0 or 1.

Thanks for any input.
a c 289 G Storage
July 28, 2011 2:15:27 PM

SATA II and SATA III cabling and connectors are 100% compatible. Unless the bay has active circuitry, there is no issue.
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July 28, 2011 4:23:28 PM

Yes the bay specified ( http://www.newegg.com/Product/Prod [...] 6817998038 ) has active circuitry, if I understand what you mean by that.

The question becomes, does the read/write speed loss from using a SATA II component in the chain of connections warrant ordering a new bay without any SATA related connections, or is the loss marginal?
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a c 143 G Storage
July 28, 2011 4:31:29 PM

@kjbautis: I believe what WyomingKnott is trying to say that the cable / connector (and in your case the adapter/rack) is independent for the SATA speeds. They will run at either SATA I, SATA II or SATA III. The speed is driven by the motherboard's SATA controllers, unless the adapter itself has a controller. Your adapter does not seem to have one, so you should see no "speed" loss, with your SATA III SSD.
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a c 283 G Storage
July 28, 2011 4:34:58 PM

^5 +1 what tecmo and WyomingKnot said.
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Best solution

a c 353 G Storage
July 28, 2011 4:35:04 PM

The Sata III SSD will perform at SATA II speeds. Primarilly this only effects the Large Sequencial read/write (least important) and not so much the smale file Random read/writes. With a small SSD used only for OS and programs, outside of a few sec difference in boot time - No Biggy. Benchmarks yes, but it is the Real life that counts.

I see Johnny and techmo jumpped in while typing so +10 to the X power to both
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July 30, 2011 7:12:16 AM

Best answer selected by kjbautis.
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