Western Digital Red Pro vs Seagate IronWolf Pro
Both lines are on Synology's and QNAP's official compatibility lists — this is not a "which works" question, but a "which fits your machine and workload" one. Everything below is read from the vendors' own HCLs, refreshed daily.
Western Digital Red Pro prices Seagate IronWolf Pro prices
Head-to-head on the official list
| Western Digital Red Pro | Seagate IronWolf Pro | |
|---|---|---|
| Listed on official HCLs | 608 models ✓ | 598 models |
| Largest listed capacity | 26 TB | 30 TB ✓ |
| Smallest listed capacity | 2 TB | 2 TB |
| Part numbers on list | 36 | 72 ✓ |
| Product line | NAS | NAS |
Which should you buy?
Coverage-wise, Western Digital Red Pro appears on more NAS machines (608 vs 598) — 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 386 NAS models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 36 / 72)
Western Digital Red Pro
- WD4003FFBX — 4TB, 390 models
- WD141KFGX — 14TB, 355 models
- WD102KFBX — 10TB, 288 models
- WD8003FFBX — 8TB, 285 models
- WD6003FFBX — 6TB, 272 models
- WD2002FFSX — 2TB, 256 models
- WD121KFBX-68EF5N0 — 12TB, 241 models
- WD6005FFBX — 6TB, 167 models
- WD8005FFBX — 8TB, 167 models
- WD4005FFBX — 4TB, 166 models
- WD2002FFSX - 68PF8N0 — 2TB, 150 models
- WD121KFBX — 12TB, 149 models
Seagate IronWolf Pro
- ST4000NE0025 — 4TB, 344 models
- ST6000NE0023 — 6TB, 344 models
- ST8000NE0004 — 8TB, 332 models
- ST10000NE0004 — 10TB, 325 models
- ST12000NE0007 — 12TB, 311 models
- ST2000NE0025 — 2TB, 305 models
- ST8000NE001 — 8TB, 301 models
- ST10000NE0008 — 10TB, 297 models
- ST12000NE0008 — 12TB, 296 models
- ST14000NE0008 — 14TB, 296 models
- ST16000NE000 — 16TB, 294 models
- ST6000NE000 — 6TB, 283 models
NAS models that list both lines
These machines officially support both Western Digital Red Pro and Seagate IronWolf Pro — your real decision is workload and price, not compatibility.