8Gb Fiber Channcel HBA vs. 10 Gb SPF+ Converged HBA

Posted by Hossein Aarabi on Server Fault See other posts from Server Fault or by Hossein Aarabi
Published on 2012-07-23T23:25:14Z Indexed on 2013/07/01 4:23 UTC
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Filed under:

sharepoint-2010

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fiber

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10gbethernet

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iops

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hba

I am putting a Dell server together, more specifically R720. I have to select the correct Host Bus Adapter. This HBA on R710 will connect to a storage device. I am confused between these two:

QLogic 2562, Dual Port 8Gb Optical Fiber Channel HBA (price $2,045)
QLogic 8262, Dual Port 10Gb SFP+, Converged Network Adapter (price $1,618)

I thought since the QLogic 2562 is a fiber channel and is more expensive then it is faster in terms of IOPS. But, it is a 8Gb as opposed to 10 Gb of SFP+.

My questions:

Which one is better (IOPS performance, etc.)?
Why should I choose one over another?

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