Drive comparison
ST12000NT001 vs MG09ACA12TA
Seagate IronWolf Pro 12TB and Toshiba MG09 12TB, compared using published manufacturer specifications.
Seagate
IronWolf Pro 12TB
ST12000NT001
SATA 6 Gb/s · 3.5-inch
Check current Amazon price
Amazon US · Verified product · check availability and condition on Amazon ↗ASIN B0DN87W1R4
Full specifications & all listings →Toshiba
MG09 12TB
MG09ACA12TA
SATA 6 Gb/s · 3.5-inch
No verified exact-model Amazon listing yet.
Full specifications & all listings →As an Amazon Associate I earn from qualifying purchases. Match the selected variant, condition and seller terms before ordering.
What differs between these models?
- Sustained transfer (up to MB/s): ST12000NT001 lists 270; MG09ACA12TA lists 281.
A larger cache, higher RPM or higher advertised sequential speed alone does not establish which drive is better for your workload.
Specifications side by side
| Specification | ST12000NT001 | MG09ACA12TA |
|---|---|---|
| Manufacturer | Seagate | Toshiba |
| Product family | IronWolf Pro | MG09 |
| Model number | ST12000NT001 | MG09ACA12TA |
| Capacity (TB) | 12 | 12 |
| RPM | 7200 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Recording | CMR | Not recorded |
| Cache (MB) | 256 | Not recorded |
| Form factor | 3.5-inch | 3.5-inch |
| Power-on hours per year | 8760 | Not recorded |
| Workload rating (TB/year) | 550 | 550 |
| Average operating power (W) | 7.8 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 5 years (eligible new drives) | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 270 | 281 |
| Cache (MiB) | Not recorded | 512 |
| Sector format | Not recorded | 4Kn |
Compatibility and buying checks
- Check sector-format support in the controller and operating system, particularly for native 4K (4Kn) variants.
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST12000NT001
Seagate IronWolf Pro manufacturer specifications ↗ · pages 3
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
MG09ACA12TA
Toshiba MG09 manufacturer specifications ↗ · pages 8
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.