Western Digital Red Plus vs Seagate IronWolf
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.
Head-to-head on the official list
| Western Digital Red Plus | Seagate IronWolf | |
|---|---|---|
| Listed on Synology HCL | 63 models | 169 models ✓ |
| Largest listed capacity | 14 TB | 16 TB ✓ |
| Smallest listed capacity | 2 TB | 1 TB |
| Part numbers on list | 14 | 32 ✓ |
| Product line | NAS | NAS |
Which should you buy?
Coverage-wise, Western Digital Red Plus appears on more Synology machines (63 vs 169) — 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 63 Synology models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 14 / 32)
Western Digital Red Plus
- WD120EFBX - 68B0EN0 — 12TB, 62 models
- WD101EFBX - 68B0AN0 — 10TB, 54 models
- WD80EFZZ - 68BTXN0 — 8TB, 53 models
- WD80EFBX - 68AZZN0 — 8TB, 53 models
- WD20EFZX - 68AWUN0 — 2TB, 52 models
- WD30EFZX - 68AWUN0 — 3TB, 52 models
- WD40EFZX - 68AWUN0 — 4TB, 52 models
- WD60EFZX - 68B3FN0 — 6TB, 50 models
- WD140EFGX - 68B0GN0 — 14TB, 49 models
- WD80EFZX - 68B3CN0 — 8TB, 43 models
- WD60EFPX - 68C5ZN0 — 6TB, 36 models
- WD30EFPX - 68C6CN0 — 3TB, 36 models
Seagate IronWolf
- ST2000VN004 - 2E4164 — 2TB, 150 models
- ST3000VN007 - 2E4166 — 3TB, 150 models
- ST1000VN002 - 2EY102 — 1TB, 146 models
- ST3000VN007 - 2AH16M — 3TB, 140 models
- ST4000VN008 - 2DR166 — 4TB, 140 models
- ST6000VN0033 - 2EE110 — 6TB, 132 models
- ST6000VN001 - 2BB186 — 6TB, 87 models
- ST6000VN0041 - 2EL11C — 6TB, 84 models
- ST8000VN0022 - 2EL112 — 8TB, 84 models
- ST7000VN0002 - 2EL11B — 7TB, 82 models
- ST10000VN0004 - 2GS11L — 10TB, 75 models
- ST10000VN0004 - 1ZD101 — 10TB, 75 models
Synology models that list both lines
These machines officially support both Western Digital Red Plus and Seagate IronWolf — your real decision is workload and price, not compatibility.