NAS Drive Compatibility

Western Digital Ultrastar 7K4000 on the Synology compatibility list

Enterprise 2–4 TB

3 Western Digital Ultrastar 7K4000 part numbers appear on Synology's official HCL, officially supported across 137 NAS models. Every capacity below is vendor-confirmed — pick a part number, then check it against your machine.

Ultrastar 7KNAS HARD DRIVE3.5" SATA HDDWESTERN DIGITAL
3
Listed part numbers
137
Compatible Synology models
2–4 TB
Capacity range
3
Listed capacities

All Western Digital Ultrastar 7K4000 drives on the list

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

Part numberCapacityListed onCheck per model
HUS724040ALA640 - 0F14688 4TB 137 machines See compatible models →
HUS724020ALA640 2TB 71 machines See compatible models →
HUS724030ALA640 3TB 71 machines See compatible models →

Buying tip

Synology lists 3 Western Digital Ultrastar 7K4000 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 Western Digital Ultrastar 7K4000 drives

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