Western Digital Re vs Toshiba MG04ACA****
Both lines are on Synology's official compatibility list — this is not a "which works" question, but a "which fits your machine and workload" one. Everything below is read from Synology's own HCL, refreshed daily.
Western Digital Re prices Toshiba MG04ACA**** prices
Head-to-head on the official list
| Western Digital Re | Toshiba MG04ACA**** | |
|---|---|---|
| Listed on Synology HCL | 148 models | 159 models ✓ |
| Largest listed capacity | 6 TB | 6 TB |
| Smallest listed capacity | 0.2 TB | 1 TB |
| Part numbers on list | 11 | 11 |
| Product line | Enterprise | Enterprise |
Which should you buy?
Coverage-wise, Western Digital Re appears on more Synology machines (148 vs 159) — for an older or unusual model that margin can matter. Within the same tier, the honest answer is: pick the cheaper part number at your target capacity, then verify it on your exact model's page.
Both lines overlap on 136 Synology models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 11 / 11)
Western Digital Re
- WD5001FSYZ - 01SS7B1 — 5TB, 122 models
- WD6001FSYZ - 01SS7B1 — 6TB, 122 models
- WD2000FYYZ — 2TB, 120 models
- WD3000FYYZ — 3TB, 119 models
- WD4000FYYZ - 01UL1B1 — 4TB, 108 models
- WD2004FBYZ - 01YCBB0 — 2TB, 106 models
- WD1004FBYZ - 01YCBB1 — 1TB, 106 models
- WD4000FYYZ - 01UL1B0 — 4TB, 87 models
- WD5003ABYZ — 500GB, 78 models
- WD2503ABYZ — 250GB, 78 models
- WD1003FBYZ - 010FB0 — 1TB, 78 models
Toshiba MG04ACA****
- MG04ACA400E — 4TB, 158 models
- MG04ACA400N — 4TB, 136 models
- MG04ACA100N — 1TB, 136 models
- MG04ACA200N — 2TB, 136 models
- MG04ACA300E — 3TB, 125 models
- MG04ACA200E — 2TB, 122 models
- MG04ACA300A — 3TB, 115 models
- MG04ACA600E — 6TB, 105 models
- MG04ACA200A — 2TB, 102 models
- MG04ACA50DE — 5TB, 77 models
- MG04ACA500E — 5TB, 57 models
Synology models that list both lines
These machines officially support both Western Digital Re and Toshiba MG04ACA**** — your real decision is workload and price, not compatibility.