as long as you are connecting to decoder and your aim is to watch movies than you honestly don't need a high end card for optic out, any mediocre card even the built in would do the job for youI WILL CONNECT THROUGH ext decorder [front rear center\sub connection in reciver through blue green pink connecter in pc][using digital to analogue cable]
THANKS A LOT FOR THE INFO BRO REALLY APPERIATE IT