If he has that Oppo then there is his playback solution for mch DSD files.
Yes. He can play DSD 64 Multichannel files with the Oppo 105.
So Marpow will want to rip his SACDs to ISO, Stereo and Multichannel DSD 64 format.
If he wants to play Multichannel DSD 128 or Multichannel DSD 256 downloads, then its time for the exaSound e38 8-Channel DAC.