Cambridge Audio Support CXUHD Frequently Asked Questions Does the CXUHD support DSD playback via network or USB? Yes, the CXUHD supports DSD x64 (AKA DSD64 or 64FS). The CXUHD can play these files via UPnP or USB HDD. DSD is also supported via SACD playback. Read more about SACD playback on the CXUHD here.