Is the Synology SAT5221 compatible with Synology NAS?

Yes. 4 Synology SAT5221 part numbers are on Synology's official compatibility list, spanning 0.5TB to 3.8TB, and are listed for 70 Synology models.

What capacities does the Synology SAT5221 come in on the Synology list?

Listed capacities: 1.92TB, 3.84TB, 480GB, 960GB.

Synology SAT5221 on the Synology compatibility list

Enterprise 0.5–3.8 TB

4 Synology SAT5221 part numbers appear on Synology's official HCL, officially supported across 70 NAS models. Every capacity below is vendor-confirmed — pick a part number, then check it against your machine.

Listed part numbers

Compatible Synology models

0.5–3.8 TB

Capacity range

Listed capacities

All Synology SAT5221 drives on the list

Ranked by how many Synology machines list each part number. Click through for exact model-by-model support.

Part number	Capacity	Listed on	Check per model
SAT5221-960G	960GB	70 machines	See compatible models →
SAT5221-480G	480GB	70 machines	See compatible models →
SAT5221-1920G	1.92TB	70 machines	See compatible models →
SAT5221-3840G	3.84TB	70 machines	See compatible models →

Buying tip

Synology lists 4 Synology SAT5221 variants, but the high-capacity part numbers (above 12TB) tend to appear only on newer models. If you run an older or 2-bay machine, confirm your exact model on the drive page before ordering — a same-series part number is not always interchangeable.

Synology models that list Synology SAT5221 drives