Purchase Unraid OS

Buy Once, Use for Life. No subscription. No hidden fees.

When you purchase a key before installing a trial, you will be sent an Activation Code. Instructions for redeeming your code will be sent after purchase. If you’ve already installed a trial, please complete your purchase from within the software—no activation code necessary.

Pro Best Value


Unlimited attached storage devices [1][2]



Up to 12 attached storage devices [1]



Up to 6 attached storage devices [1]

Registration Key Info

Registration keys are purchased from within Unraid OS running on your server (Go to the Tools > Registration page).

  1. Attached storage devices refers to the total number of storage devices you are allowed to have attached to the server before Starting the array, not counting the USB Flash boot device. There are no other limitations in the software based on registration key type.
  2. Unraid OS Pro supports up to 30 storage devices in the parity-protected array (28 data and 2 parity) and up to 35 named pools, of up to 30 storage devices in the cache pool(s). Additional storage devices can still be utilized directly with other Unraid features such as Virtual Machines or the unassigned devices plugin.
  3. Non-storage devices such as GPUs do not count against the limit of supported devices.
  4. Unraid OS is only supported to boot from USB flash-based storage devices. Other boot devices such as SD card readers, HDDs, or SSDs are not supported at this time.
  5. All Basic/Plus/Pro registration keys are eligible to run new releases of Unraid OS at no additional cost.
  6. If your USB Flash boot device fails, you can transfer your registration key to a new USB Flash device initially at any time, and subsequently up to once per year.
  7. Please do not use a comcast.net email address to purchase a license key.
  8. For special orders, please use the contact form here.
  9. All sales are final. No refunds.

Trial Keys and License Upgrade Info

Trial keys are downloaded from within Unraid OS running on your server (Go to the Tools > Registration page).

  • To determine if Unraid will work with your hardware, just use a Free 30-Day Trial key!
  • Trial keys provide time-limited full functionality of Unraid OS, with no attached storage device limit.
  • Trial keys require an internet connection upon server boot in order to validate. Basic/Plus/Pro keys do not require an internet connection.
  • Your Unraid Trial configuration can be moved to a new USB Flash device before purchasing a registration key.
  • Up to two 15-day Trial extensions are possible.
  • The pricing listed is a one-time fee.

License Upgrades

Upgrades are done within the OS WebGUI via the Tools-> Registration page or the top right UPC.

Basic license to Plus = $39 USD

Basic license to Pro = $79 USD

Plus license to Pro = $49 USD