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Intel ICH10R vs Marvell 9128 raid 0 performance

post #1 of 2
Thread Starter 
Hello!

I have a Raid 0 configuration with two Intel SSD Sata3 256 GB drives (6Gb/s), using the SATA connectors on my mobo (Asus Rampage III Extreme). Each of these drives reach up to 450MB/s for separate, and in Raid0 they should reach near 900MB/s (example, using same drives: [ame]http://www.youtube.com/watch?v=Qw0eKszOS7w[/ame])

The mobo has 2xSATA3 connectors (Marvell 9128 controller) and 6xSATA2 connectors (Intel ICH10R controller). These are the performances I get using each of them:

2vltvzd.png

Supossedly I should be getting something near to 900MB/s 2, quite below the bus limit (2x6Gb/s = 1200MB/s) using the SATA3 connectors, but I only get 316MB/s.
I have read that Marvell 9128 performs well in single-drive SATA3 configurations, but has issues with SATA3 raid configurations.

I'm thinking now on getting the Raid back to ICH10R, or purchasing a decent SATA3 Raid controller.

Can anyone bring some light / advices into the matter?

Thanks a lot in advance! smile.gif
post #2 of 2
It's a known chipset limitation of the Marvell 9128. You are better off with the Intel 3G ports or an external controller. It's sad even the X58 boards released this quarter use this controller.

Look at post #4

http://www.overclock.net/ssd/859715-crucial-realssd-c300-128gb-single-vs.html?highlight=Marvell+9128
Edited by opensesame - 4/27/11 at 11:40am
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