SONAR 5 x64 Edition requires 64-bit audio drivers, currently available from the following hardware manufacturers:

* Edirol has 64-bit drivers for the following devices: UA-1000, UA-25, UM-880, UM-1 series, PCR series. Visit cakewalk.com to download a 64-bit driver for these devices.
* E-MU has 64-bit drivers for the E-MU Digital Audio System Series (0404 / 1212M / 1616 / 1616M / 1820 / 1820M). Visit E-MU at preview.creativelabs.com/emu to download 64-bit drivers for these devices.
* Creative Labs has a 64-bit driver for the SoundBlaster Live/Audigy/Audigy 2 Series. Visit Creative Labs at preview.creativelabs.com to download a 64-bit driver for these sound cards.
* M-Audio offers a complete set of 64-bit beta drivers for their Delta and FireWire product lines. Visit M-Audio at m-audio.com to download a 64-bit driver for your M-Audio interface.
* RME Fireface.
* More to come