Fast Copy from NAS but Slow Write to NAS

UPDATED 1-26-17

Hello all

MAIN QUESTION
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Using SMB Protocol and writing TO the FreeNAS Server from my desktop

Files < 2 GigaBYTES work great and transfer 100 MegaBYTE per second

Files 4 GigaBYTES and greater i get 1 MegaBYTE per second transfers


I created a NFS Share and BAM i get write speeds of 137 MegaBYTES per second with files 4 GigaBYTES and larger

apparently there is something wrong with my SMB protocol when writing to the FREENAS...

Fast Copy from NAS but Slow Write to NAS