License Key Details

Unraid Licenses and upgrades are purchased from within Unraid OS (Go to the Tools > Registration page).

You can also purchase an Unraid license activation code from the Buy Now button above and activate your license later.

1. Attached storage devices refer 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 license 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 license tier limits.
4. Unraid OS can only be booted 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 license tiers 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 licenses 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.
8. For special orders, please use the contact form here.
9. All sales are final. No refunds. Please utilize our free 30-day trial before purchasing!