Serviio

Good morning, I have a Sony Bravia KDL40nx720 connected via LAN (actual speed 85Mb / s) to a PC i5-2400 @ 3.10GHz 8Gb RAM and Nvidia GeForce GT520.

I installed Serviio and movies at 1080p (13Gb size) video is not fluid. There is something to be set to improve performance?

Thank you