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RAID controller selection help

Last response: in Storage
October 9, 2011 4:13:38 PM

Hello all,

I would like to purchase a RAID controller that is Win7 compatible, has external SAS or eSATA connections to support 8 drives in an external enclosure, and allows for online dynamic expansion. I was looking at the new SATA-III cards from Adaptec, and they look great, except the ones I saw lack external support.

Any suggestions or advice?

February 15, 2012 2:40:43 PM

Try you will find any type of SAS/SATA controller available. Note that any SAS External Port will be x4 Lanes and will support 4 drives directly or goes to an expander on the drive enclosure to allows for many, many drives as well as cascading drive boxes.
a c 311 G Storage
February 15, 2012 5:34:21 PM

The Adaptec 6445 has an internal and external SAS port also; it is pretty much comparable to the LSI MegaRAID SAS 9280-4i4e.
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a c 311 G Storage
February 15, 2012 6:34:45 PM

One other suggestion, make sure that your motherboard has an adequate pci-e slot, all of the cards mentioned require a pci-e x8 slot and will not work in an x16 slot that runs at x4.

Oh, and also consider getting your cables at the same time as the card, you can often save money by getting them in a package rather than buying them later.