| 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 |
| Win11
Win10 |
UNi Xonar W10 1825 v1.81a r2 | 1825 / 22-Jun-2016 | 2.0.0.12 | STX II, HDAV, Xense, Razer AC-1 | Latest Win10 and Win11. The included audio drivers might have more problems than previous drivers. Beta quality. |
| Win11
Win10 Win8.1 |
UNi Xonar 1816/1823 v1.80a r3 | 1823 / 02-Jun-2015 | 2.0.0.12 | STX II, HDAV, Xense, Razer AC-1 | Latest Win8.1, Win7, Win Vista. Might be more stable than v1.81a for Win10 and Win11. |
| UNi Xonar STXII 11.5 v1.80b r3 | STXII 11.5 / 18-Feb-2014 | 2.0.0.14 | All cards except STX II | Latest STX II signed driver. Fork from standard audio drivers (eg. 1822). The included audio driver might have more fixes than standard drivers. | |
| UNi Xonar 1816/1822 v1.75a r3 | 1822 / 11-Dec-2013 | 2.0.0.12 | STX II, HDAV, Xense, Razer AC-1 | Overall it might be more stable than v1.80a and v1.81a drivers. | |
| UNi Xonar 1816/1821 v1.71.1 | 1821 / 11-Apr-2013 | 2.0.0.12 | STX II, 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 | 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) |
- Older versions : v1.75b r3 ; v1.71 ; v1.63 beta; v1.62 beta ; v1.54 ; v1.61 ; v1.53
Official addons (documentation):
- 1777 drivers + Asio 1.0.
- C-media Panel v1.62 (fixes stereo upmix turning off for v1.64 rev.1 drivers)
3rd party addons page here.