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Windows 7: SATA III Controller Card


25 Jan 2011   #1

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 
SATA III Controller Card

My external hard drives are SATA III, but they connect via a SATA II controller card, to my SATA II motherboard. I'm wondering if the hard drives would perform much better if they were connected via a SATA III controller card to the same SATA II motherboard? A card such as this one"

http://www.cwol.com/serial-ata/esata...es3pcie212.htm


My System SpecsSystem Spec
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25 Jan 2011   #2

Windows 7 Ultimate (x64) SP1
 
 

I have an ASUS U3S6 that my C300 ran off (past tense because flashing the BIOS made it un-bootable) Read speeds were def higher on the card but I gotta say, overall, I can't tell any difference now I'm running it off a SATA 2 port.
EDIT: I posted some benches here (SATA 2) Show us your SSD performance
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25 Jan 2011   #3

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I can understand that the perceived performance might not match the benchmarked one, but those screenshots only show your SATA II performance...do you have any idea of what the increase with SATA III was percentage-wise?
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25 Jan 2011   #4

Windows 7 Ultimate (x64) SP1
 
 

look again
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25 Jan 2011   #5

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Of course, your's is based on a SSD, while mine is only a SATA III hard drive, so I would not expect as high of performance as you got, but it sounds as though what improvement I did get would be worth the price of a new controller card (actually two, since I need one for each computer). Thanks.
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25 Jan 2011   #6

Windows 7 Ultimate x64
 
 

Seekermeister...it's highly unlikely that your standard hard drives are going to even come close to the SATA II max specs... Unless you have an SSD as an external, I don't think you are going to benefit from swithing form a SATA II interface to a SATA III interface.
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25 Jan 2011   #7

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

By *standard hard drive", are you including SATA III drives also? Somewhere I read that a SATA III drive wouldn't offer much improvement over SATA II unless it also had a 64MB cache, which mine do.
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25 Jan 2011   #8

Windows 7 64 bit SP1
 
 

Quote   Quote: Originally Posted by seekermeister View Post
My external hard drives are SATA III, but they connect via a SATA II controller card, to my SATA II motherboard. I'm wondering if the hard drives would perform much better if they were connected via a SATA III controller card to the same SATA II motherboard? A card such as this one"

SATA 3.0 Controller, 2 eSATA Port card with RAID, PCIe Card - Volume Pricing
No, you won't get much benefit on a hard drive. SATA II has quite enough bandwidth for a hard drive. SATA III will mostly benefit newer SSD drives. Spend your money elsewhere.
My System SpecsSystem Spec
25 Jan 2011   #9

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

While I understand that a SATA III drive will not use all of the bandwidth available on SATA III, and probably neither on SATA II, I would hope that there would be some improvement, otherwise labeling a hard drive as being SATA III would be nothing more than a hoax. As things are, I'm only getting the performance shown in the first screenshot. The second screenshot is on a similar drive which is only SATA II with a 32MB cache. Hard to tell the difference, isn't it? I would think that with a new controller, that it would bench better than that:


Attached Thumbnails
SATA III Controller Card-faex.png   SATA III Controller Card-fals.png  
My System SpecsSystem Spec
25 Jan 2011   #10

Windows 7 Ultimate x64
 
 

No that is my point. Sata 3.0 can do nearly 300 megabytes per second. No standard mechanical drive can move data that fast. You can speed up the interface all you want, but the data isn't coming off the hard drive any faster physically.

If does seem like false advertising. But people will buy and upgrade often without thinking it through.
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 SATA III Controller Card




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