Download unRAID Server OS

30-Day Free Trial
unRAID Test Drive-italics-s

  • Server must have an internet connection
  • Registration only requires your e-mail and valid USB Flash GUID
  • Trial period may be extended within the managment webGUI

Download the Latest Version

Please read Getting Started, which covers the USB Flash device preparation as well as installing unRAID on your server. (Note: unRAID Server OS boots from a 256MB or larger USB Flash storage device.)

Stable Releases

Created Download MD5 Checksum
2016-10-21 998126874c1379c0ce780b2df64e277f Changes
2016-10-04 bb41597446fee82b0de12472d89ca4de Changes
2016-03-05 360d2910497eed659a00435e401f6ed5 Changes


unRAID OS prereleases are made available to obtain early feedback on new features and bugs in order to produce the next bug free stable release. Please note: It must be assumed that lurking bugs may exist in incremental prereleases that can cause instability.

Created Download MD5 Checksum
2016-10-22 ed928982fc08db7bbca7ef2320db3038 Changes
2016-10-19 f97f5e5605ea9e1c5381996b3e3ea32e Changes

If you require a previous release, please send a request to


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