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Synology DiskStation Manager vs QNAP QuTS hero: catalog facts
Synology DiskStation Manager	QNAP QuTS hero
Freemium Included with Synology NAS hardware; a few services require separate licenses.	Freemium Included with supported QNAP NAS hardware; some features are paid add-ons.
Linux, Self-hosted	Linux, Self-hosted
Polished, consistent web interface across the entire Synology hardware lineup Large package center covering backup, media, sync, and surveillance apps	ZFS foundation adds inline dedupe, compression, and stronger data integrity checks SnapSync replication supports disaster-recovery style workflows between units
Only runs on Synology's own hardware, unlike open NAS operating systems Some advanced features are gated behind specific higher-end models	Only available on QNAP hardware certified for QuTS hero ZFS's memory appetite means it needs more RAM than QTS for the same workload
Self-hosted	Self-hosted
Closed 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.