Seagate Exos 7E8 vs Toshiba MG04ACA****
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.
Seagate Exos 7E8 prices Toshiba MG04ACA**** prices
Head-to-head on the official list
| Seagate Exos 7E8 | Toshiba MG04ACA**** | |
|---|---|---|
| Listed on official HCLs | 539 models ✓ | 454 models |
| Largest listed capacity | 8 TB ✓ | 6 TB |
| Smallest listed capacity | 1 TB | 1 TB |
| Part numbers on list | 21 ✓ | 11 |
| Product line | Enterprise | Enterprise |
Which should you buy?
Coverage-wise, Seagate Exos 7E8 appears on more NAS machines (539 vs 454) — 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 344 NAS models — if yours is one of them, either drive is officially supported.
Popular part numbers (most-listed 12 of 21 / 11)
Seagate Exos 7E8
- ST6000NM021A — 6TB, 389 models
- ST4000NM002A — 4TB, 346 models
- ST2000NM001A — 2TB, 338 models
- ST2000NM0125 — 2TB, 320 models
- ST4000NM0115 — 4TB, 320 models
- ST8000NM000A — 8TB, 303 models
- ST8000NM0055 — 8TB, 232 models
- ST3000NM000A — 3TB, 182 models
- ST6000NM002A — 6TB, 182 models
- ST4000NM000A — 4TB, 182 models
- ST4000NM0035 — 4TB, 155 models
- ST6000NM0115 - 1YZ110 — 6TB, 140 models
Toshiba MG04ACA****
- MG04ACA400E — 4TB, 451 models
- MG04ACA300E — 3TB, 418 models
- MG04ACA200E — 2TB, 416 models
- MG04ACA600E — 6TB, 382 models
- MG04ACA100N — 1TB, 358 models
- MG04ACA200N — 2TB, 357 models
- MG04ACA400N — 4TB, 353 models
- MG04ACA500E — 5TB, 348 models
- MG04ACA300A — 3TB, 115 models
- MG04ACA200A — 2TB, 102 models
- MG04ACA50DE — 5TB, 77 models
NAS models that list both lines
These machines officially support both Seagate Exos 7E8 and Toshiba MG04ACA**** — your real decision is workload and price, not compatibility.