Western Digital Purple vs Seagate SkyHawk
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 Purple prices Seagate SkyHawk prices
Head-to-head on the official list
| Western Digital Purple | Seagate SkyHawk | |
|---|---|---|
| Listed on Synology HCL | 163 models | 169 models ✓ |
| Largest listed capacity | 14 TB | 14 TB |
| Smallest listed capacity | 1 TB | 1 TB |
| Part numbers on list | 38 ✓ | 14 |
| Product line | Surveillance | Surveillance |
Which should you buy?
Coverage-wise, Western Digital Purple appears on more Synology machines (163 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 163 Synology models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 38 / 14)
Western Digital Purple
- WD60PURX - 64T0ZY0 — 6TB, 148 models
- WD40PURZ — 4TB, 148 models
- WD60PURZ - 85ZUFY1 — 6TB, 147 models
- WD20PURZ — 2TB, 135 models
- WD30PURZ — 3TB, 134 models
- WD20EJRX — 2TB, 130 models
- WD20PURX — 2TB, 129 models
- WD30EJRX — 3TB, 129 models
- WD30PURX — 3TB, 128 models
- WD60EJRX — 6TB, 126 models
- WD40EJRX — 4TB, 125 models
- WD40PURX - 64GVNY0 — 4TB, 124 models
Seagate SkyHawk
- ST4000VX007 - 2DT166 — 4TB, 142 models
- ST1000VX005 - 2EX102 — 1TB, 141 models
- ST1000VX005 - 2EZ102 — 1TB, 118 models
- ST6000VX0023 - 2EF110 — 6TB, 118 models
- ST3000VX010 - 2E3166 — 3TB, 117 models
- ST2000VX008 - 2E3164 — 2TB, 114 models
- ST1000VX005 - 2E3162 — 1TB, 114 models
- ST8000VX0002 - 1Z6112 — 8TB, 85 models
- ST8000VX0022 - 2EJ112 — 8TB, 85 models
- ST8000VX004 - 2M1101 — 8TB, 79 models
- ST10000VX0004 - 1ZE101 — 10TB, 67 models
- ST6000VX001 - 2BD186 — 6TB, 63 models
Synology models that list both lines
These machines officially support both Western Digital Purple and Seagate SkyHawk — your real decision is workload and price, not compatibility.