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See “ Recommended Plex Streams” for more information. This card will be under 128% Load to deliver 16 streams causing buffering but could deliver 12 streams at 96% load. NVDEC being the smaller FPS we take 16x FPS equals 480 FPS, more than the NVDEC can process. For example Quadro K2200 4GB model can NVDEC FPS and NVENC FPS and fit a maximum 16 transcodes in its 4GB VRAM. VRAM Stream Card LoadĬard load is calculated from the smallest of the “NVENC FPS” and “NVDEC FPS” then divided by “Streams for VRAM” combined FPS to provide card. It looks like a 128Bit memory bus will not cause performance issues with multiple transcodes but will see Plex offline “Sync” jobs only able to use 30% of the NVDEC chip. The difference between the 128Bit, 192Bit and 256Bit Memory bandwidth needs further testing. A 256Bit GTX 970 4GB (Maxwell 2 nd Gen) can hit 100% NVDEC saturation (376FPS) with a single stream. Two streams hold about 50%, Three about 80% and more than four streams to reach 100% NVDEC saturation. Preliminary testing sees a single NVDEC job on a 128Bit GTX 1050 Ti 4GB (Pascal) unable to use more than 30% (112 FPS) of the NVDEC. *VDPAU nVidia PureVideo Information VRAM Bandwidth *NVENC FPS based on Single Pass quality profile.