Dear tristratos,
Sorry for the late reply.
At the moment we do not have any upgrade plans for N7700.
Please visit our website
http://www.thecus.com for latest
firmware and module updates
SAS hard drives have a rotational speed of 15000RPM compare to SATA drives which only has 7200RPM and N7700 uses Intel celeron M processor and N7700SAS uses Intel Dual core processor, users
can feel a great difference in speed under multiple client access.
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Official Thecus Support Representative