SAS 4i connectors in SAS 2.1? Should they be removed?

Alvin.Cox at Alvin.Cox at
Thu Jun 11 13:35:28 PDT 2009

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Another housecleaning question: Should we remove the SAS 4i connectors 
|from SAS 2.1? The design is per SFF-8484.
There are a couple of concerns with this connector that have put it on the 
chopping block:
It is large. It take up a lot of room inside the system. Is anyone 
designing this connector into new implementations?
It's crosstalk is higher than mini SAS and is definitely harder to deal 
with at 6G and feasible for 12G.
Please provide feedback to the reflector over the next few days and let's 
discuss on next week's teleconference.
Alvin Cox
Seagate Technology, LLC
Office 405-392-3738
Cell 405-206-4809

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