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Recommend hardware RAID controller for SATA 3...

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http://hardforum.com – Folks, I currently have an ASUS KGPE-D16 motherboard populated with two 16 core processors, 48 gigs of RAM, 6x2TB drives... and an LSI 8408e SAS controller from 2007. Currently the SAS controller is being a bottleneck; I get maybe.... 350 mb/s read and about 180 mb/s write speeds... it's kinda pathetic considering this box is a virtualization server and runs a couple of SQL servers (albeit it's a home lab so... yeah). Anyway, my top contender for a new controller is an ASUS PIKE 2108 which is LSI based, supports SATA III, 512 MB of onboard cache and allows me to use onboard SATA ports (Hardware)