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XigmaNAS vs Asustor Data Master (ADM): catalog facts
XigmaNAS	Asustor Data Master (ADM)
Free Free and open source.	Freemium Included with Asustor NAS hardware; some apps and services are paid add-ons.
Linux, Self-hosted	Linux, Self-hosted
Broad protocol support for CIFS, NFS, iSCSI and more from a single install Runs on generic hardware rather than being locked to a vendor's appliance	App Central catalog covers backup, media server, and surveillance add-ons Btrfs snapshot support for point-in-time data protection
Smaller community and slower feature pace than TrueNAS FreeBSD base means less familiar tooling for Linux-only admins	Only runs on Asustor's own hardware Smaller third-party app ecosystem than QNAP or Synology
Self-hosted, Downloadable app	Self-hosted
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.