Gigabit Ethernet port is causing high CPU usage by DPCs process when downloading 200Mb/s and more data stream. When it goes to 45% CPU usage it can freeze whole OS.
Thanks for joining the NUC community.
I do not see an embedded operating system supported on your NUC model here: Intel® NUC — Supported Operating Systems
Are you getting same behavior with Windows 8.1 not embedded version?