Maximum bitrate and size for Apple TV3

Hello,
how much is maximum bitrate and file size for Apple TV3 homesharing? I transfared some bluray, but it lags. Im streaming via cabble.

No official answer on this but specs say:
Video Formats
H.264 video up to 1080p, 30 frames per second, High or Main Profile level 4.0 or lower, Baseline profile level 3.0 or lower with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
AppleTV 2/3 have less than 8GB of memory to buffer movies but there are movies over 8GB and I've certainly streamed larger than that.
What lags?  Playback?  Stuttery display?

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