Tempdb performance on Fibre Channel vs EFD

How do you rate tempdb performance on Fibre Channel over EFD drives.?
Right now I am seeing slow performance when placed on Fibre channel..
Would it be better putting them over EFD's?
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Depends really on what is actually at the end of the fibre channel. If you have a neatly configured array of decent disks, you might not get much ROI. If you're a perfectionist when it comes to performance, I'd recommend RAM disk! That would surely make a DIFFERENCE in the performance.
In the meantime you might want to have a closer look at the underlying causes of your performance issue. All my DBs including the TEmpDB are on a couple if RAID10 array of SAS drives which are connected to the blades via FC and I don't have any performance issues with the temp DBs at all. But if you decide to go ahead with EFD plan, please do let me know about the result. ; )  

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