Seagate SkyHawk vs Seagate Surveillance HDD
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.
Seagate SkyHawk prices Seagate Surveillance HDD prices
Head-to-head on the official list
| Seagate SkyHawk | Seagate Surveillance HDD | |
|---|---|---|
| Listed on Synology HCL | 169 models ✓ | 149 models |
| Largest listed capacity | 14 TB ✓ | 6 TB |
| Smallest listed capacity | 1 TB | 1 TB |
| Part numbers on list | 14 ✓ | 10 |
| Product line | Surveillance | Surveillance |
Which should you buy?
Coverage-wise, Seagate SkyHawk appears on more Synology machines (169 vs 149) — 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 149 Synology models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 14 / 10)
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
Seagate Surveillance HDD
- ST1000VX001 - 1Z4102 — 1TB, 140 models
- ST6000VX0003 — 6TB, 118 models
- ST3000VX006 - 1HH166 — 3TB, 113 models
- ST2000VX003 - 1HH164 — 2TB, 94 models
- ST1000VX001 - 1HH162 — 1TB, 94 models
- ST4000VX000 - 1F4168 — 4TB, 91 models
- ST3000VX002 — 3TB, 91 models
- ST5000VX0001 - 1SH17X — 5TB, 56 models
- ST6000VX0011 - 1T317Z — 6TB, 56 models
- ST6000VX0001 - 1SH17Z — 6TB, 56 models
Synology models that list both lines
These machines officially support both Seagate SkyHawk and Seagate Surveillance HDD — your real decision is workload and price, not compatibility.