Western Digital Ultrastar DC HA340 on the Synology, QNAP, Asustor & TerraMaster compatibility lists
Enterprise 4–12 TB
5 Western Digital Ultrastar DC HA340 part numbers appear on Synology's and QNAP's official HCLs, officially supported across 104 NAS models. Every capacity below is vendor-confirmed — pick a part number, then check it against your machine.
All Western Digital Ultrastar DC HA340 drives on the list
Ranked by how many Synology, QNAP, Asustor, TerraMaster and UGREEN machines/series list each part number. Click through for exact model-by-model support.
| Part number | Capacity | Listed on | Check per model |
|---|---|---|---|
| 0B47078 (WUS721208BLE6L4) | 8TB | 92 machines | See compatible models → |
| 0B47063 (WUS721212BLE6L4) | 12TB | 92 machines | See compatible models → |
| 0B47062 (WUS721210BLE6L4) | 10TB | 90 machines | See compatible models → |
| 0B47077 (WUS721206BLE6L4) | 6TB | 89 machines | See compatible models → |
| 0B47076 (WUS721204BLE6L4) | 4TB | 89 machines | See compatible models → |
Buying tip
Synology, QNAP, Asustor, TerraMaster and UGREEN list 5 Western Digital Ultrastar DC HA340 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.