UNi Xonar driver download table

OS Driver package name & download link Audio driver ver. & build date ASIO Requires Test Mode or Disabling Driver Signature Verification on x64 OS for: Notes
Win10 UNi Xonar W10 1825 v1.81a r2 1825 / 22-Jun-2016 2.0.0.12 STXII, HDAV, Xense, Razer AC-1 Latest Win10. Might have more problems than previous releases.
Win10
Win8.1
Win8
Win7
Vista
UNi Xonar 1816/1823 v1.80a r3 1823 / 02-Jun-2015 2.0.0.12 STXII, HDAV, Xense, Razer AC-1 Latest Win8.1, Win7, Win Vista. Might be more stable than v1.81a for Win10.
UNi Xonar STXII 11.5 v1.80b r3 STXII 11.5 / 18-Feb-2014 2.0.0.14 All cards except STXII Latest STXII signed driver. Fork from standard audio drivers (eg. 1822). Might have more fixes than standard drivers.
UNi Xonar 1816/1822 v1.75a r3 1822 / 11-Dec-2013 2.0.0.12 STXII, HDAV, Xense, Razer AC-1 Overall it might be more stable than v1.80a and v1.81a drivers.
UNi Xonar STXII 11.5 v1.75b r3 STXII 11.5 / 18-Feb-2014 2.0.0.13 All cards except STXII Fork from standard audio drivers (eg. 1822). Might have more fixes than standard drivers.
UNi Xonar 1816/1821 v1.71.1 1821 / 11-Apr-2013 2.0.0.12 HDAV, Xense, Razer AC-1 Win 10 (at least on vers 1709 and older): might solve the BSOD's after system wakeup from sleep. More info here.
UNi Xonar 1814/1818 v1.70 1818 / 17-Dec-2012 2.0.0.12 HDAV, Xense, Razer AC-1
UNi Xonar 1814/1815 v1.64 r3 1815 / 03-Oct-2012 2.0.0.12 STXII, HDAV, Xense, Razer AC-1 Might offer better positioning in multichannel setups like 5.1 or 7.1 (info)
WinXP UNi Xonar STXII 11.5 v1.80b r3 STXII 11.5 / 18-Feb-2014 2.0.0.14 - Latest Win XP. Fork from standard audio drivers (eg. 1822). Might have more fixes than standard drivers.
UNi Xonar 1816/1823 v1.80a r3 1816 / 11-Apr-2013 2.0.0.12 - Latest Win XP standard audio drivers.
UNi Xonar 1814/1815 v1.64 r3 1814 / 03-Oct-2012 2.0.0.12 - Might offer better positioning in multichannel setups like 5.1 or 7.1 (info)

Official addons (documentation):

  1. 1777 drivers + Asio 1.0.
  2. C-media Panel v1.62 (fixes stereo upmix turning off for v1.64 rev.1 drivers)

3rd party addons page here.