Is the Crucial M4 compatible with Synology NAS?

Yes. 3 Crucial M4 part numbers are on Synology's official compatibility list, spanning 0.1TB to 0.5TB, and are listed for 81 Synology models.

What capacities does the Crucial M4 come in on the Synology list?

Listed capacities: 128GB, 256GB, 512GB.

Crucial M4 on the Synology compatibility list

Desktop 0.1–0.5 TB

3 Crucial M4 part numbers appear on Synology's official HCL, officially supported across 81 NAS models. Every capacity below is vendor-confirmed — pick a part number, then check it against your machine.

Listed part numbers

Compatible Synology models

0.1–0.5 TB

Capacity range

Listed capacities

All Crucial M4 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
CT512M4SSD2	512GB	77 machines	See compatible models →
CT128M4SSD2	128GB	57 machines	See compatible models →
CT256M4SSD2	256GB	57 machines	See compatible models →

Buying tip

Synology lists 3 Crucial M4 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 Crucial M4 drives