New computer running Win 8.1 did not have any PCI slots so I had to replace my M-Audio Delta Audiophile 2496.
I found ESI-Julia_XTe as an excellent replacement. Easy install, can handle TPS or RCA inputs. 
I'm running Sonar X3d
I am in no way connected with the manufacturer-just a very satisfied customer!
http://www.esi-audio.com/products/juliaxte/
 
Fred