6Gb/s cable better than SATA 3Gb/s cable? - AVS Forum | Home Theater Discussions And Reviews
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Old 04-25-2013, 10:18 AM - Thread Starter
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When I built my server with mobo Asus P8Z77 -V, I recognized there were 2 sata cable bags. One was for SATA 3Gb/s and other SATA 6Gb/s cables.
So, I wonder if 6Gb/s cable is better than (faster) SATA 3Gb/s cable?
Did a research thru Google, some reviews said there is still no performance difference between SATA 3Gb/s and SATA 6Gb/s cables. If so, why does Asus try to seperate those calbes?
Any of you tested it yet?
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Old 04-25-2013, 10:23 AM
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If you ever need more, get the cheapest one in the length needed from monoprice.

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Old 04-25-2013, 10:33 AM
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No difference.

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Old 04-25-2013, 01:34 PM
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There is no difference between cables, just marketing.


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Old 04-25-2013, 02:24 PM
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I just did a build using the same Asus mobo and it comes with two bags of cables. It is true that the cables are different, but it will probably make no difference since the SATA2 cables will work at SATA3 speeds. I did use the SATA3 cables for the primary SSD and HDD and the SATA2 for the Blu-ray RW just because I could. The included SATA3 cables are beefier than the SATA2, which look like other SATA3 cables I've used before.

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Old 04-26-2013, 02:21 AM
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While there is no real difference between SATA2 or SATA3 cables, it is very well possible that extremely cheap cables may not function properly at SATA3 speeds, because their design is not up to spec.

Not saying you need to buy gold-plated cables or anything, the ones that come with your board are just fine for any speed. smile.gif
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Old 04-26-2013, 11:18 AM
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Spinning hard drives can barely saturate SATA1 bandwidth. So, SATA2 and SATA3 speeds only come to play if you are running SSD's exclusively.

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Old 04-26-2013, 01:40 PM
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Originally Posted by Mrkazador View Post

There is no difference between cables, just marketing.

Not only is it "just marketing", it's deceptive marketing to boot. It's the same type of snake-oil promotion that is used to sell Monster cables at exhorbitant prices to uninformed A/V customers.

Here's an article by Maximum PC on the subject of SATA cable performance:

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