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 Post subject: SATA controllers and performance
PostPosted: Sun Nov 04, 2012 7:15 am 
8086
8086

Joined: Sat Jun 02, 2012 10:25 am
Posts: 54
I have a Crucial M4 SSD hooked up to a Gigabyte z77 UD5h mobo with a 3570k and 24x DVD drive and am a little confused how to make the best use of the ports. The board has both the Intel Z77 SATA controller and a Marvell one. When I put the build together plugged the SSD and drive up to the Marvell 6GBs ports because there was a spare port for later and I figured it would be faster if the manufacturer of the SSD controller matched that of the SATA one. I'm having second thoughts now- every SSD test I've seen recommends the Intel controller.

What's the faster controller for my M4 SSD?

Should I hook up my DVD drive to a 6GBs port?

What is TRIM, exactly?

If I wanted to change controllers, what would be the procedure?

Thanks.


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 Post subject: Re: SATA controllers and performance
PostPosted: Sun Nov 04, 2012 7:24 am 
Smithfield
Smithfield

Joined: Sun Jun 18, 2006 7:37 pm
Posts: 5251
C-- wrote:
What's the faster controller for my M4 SSD?
The Intel one. I have a Marvel controller for two SATA III ports, I found out they don't perform very well (330MB/s vs. 550MB/s)

Quote:
Should I hook up my DVD drive to a 6GBs port?
No. The DVD drive is slow as hell, and nothing's going to change that.

Quote:
What is TRIM, exactly?
It prevents the OS from writing over areas marked "unused" in the file system. When the OS deletes a file, it doesn't actually erase it off the drive. It just marks the space it took up as "unused". If the OS were to write to the first available block of space in the drive, it would wear out the SSD faster in those areas while others remain untouched.

It's a form of wear leveling.

Quote:
If I wanted to change controllers, what would be the procedure?
Just switch where the drive connects to.


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