PS4 stuttering

[dmp3576]

My PS4 stutters but only on certain videos. It doesn't seem to be specific to a file format. I have the PS4 wired directly to the router.

UMS Version 6.6.0 (1)
MacOS Sierra 10.12.2
4.01 I7
32MB 2400 MHz DDR4
NVIDIA GeForce GTX 950 2047 MB

[Sami32]

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