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SATA III is a LIE

SATA III is a LIE
« on: September 22, 2011, 01:20:08 am »
I paid good money for a mobo with SATA III plus 2 Hitachi 2TB SATA III and OCZ SATA III SSD to get high performance. I have latest firmwares yet max speed I get is 250MB/sec.

This is FALSE advertising!
-paul
GA-X58A-UD5

Dark Mantis

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Re: SATA III is a LIE
« Reply #1 on: September 22, 2011, 06:27:21 am »
Hi and welcome.

What makes you think it is the Gigabyte motherboard that is at fault here ? If anything I would suspect the Hitachi drives.
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy

Re: SATA III is a LIE
« Reply #2 on: September 22, 2011, 06:35:00 am »
I have tried the Hitachi drives, both singly and in RAID 0, as well as an OCZ Agility 3 SSD - all SATA III. I am unable to ever get over 250MB/sec access peak and average is less. This is not much different from my SATA II previous system.
-paul
GA-X58A-UD5

Dark Mantis

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Re: SATA III is a LIE
« Reply #3 on: September 22, 2011, 06:43:43 am »
Now I have read your other post and realise that you are talking about an old X58 board with a Marvell chip controlling the SATA3 ports I understand the problem. I thought you were talking about a new board.

The Marvell issue has been well known for years now and I for one was caught out by it too. The fastest  most stable ports om your motherboard are the Intel ICH10R controlled ones SATA_0 and SATA_1 so you would be better transferring yout drives to them.
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy

Aussie Allan

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Re: SATA III is a LIE
« Reply #4 on: September 22, 2011, 10:27:38 am »

                     A little information


  

      The latest, fastest, glass plattered spinning magnetic Drives .... at 7200RPM .... max out at about 125Mb/s ... and that's on the very outer edge of the platters .... SataII ... SataIII ... or SataIIIIIIIIIIIIIIIIIIIIII will make no difference to the drives maximum output ... the speed improvements can only be utilized with SSD ..... the more you pay  ....   the more you get.

  The  OCZ Agility 3 SSD has a theoretical (about) 500Mb/s read/write and this is achievable on the board you have if configured properly .... try putting it on ,  and it alone on the ICH10 controller and see how thing go .... if you can get it to 450ish read/write .... that's what should be achievable from users posting around the traps

  Aussie Allan

  
« Last Edit: September 22, 2011, 12:25:55 pm by Aussie Allan »
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Dark Mantis

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Re: SATA III is a LIE
« Reply #5 on: September 22, 2011, 11:58:01 am »
Nicely explained Allan. There is a lot of mumbo jumbo talked about SATA speeds and what people expect to be able to get out of them.
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy