Help with ffmpeg Nvidea

Hello everyone

i have server with
cpu 2x Intel - Xeon E5-2690 V4 2.6GHz 14-Core Processor
Ram 8x16 Gb
and 1x GPU Quadro P6000

i can not run more 20 channel HD on this card if i add 50 or 100 channel start freezing and not stable work

any one have idea why ? and if someone test this card before and can know what the problem

Thank you !