Toshiba · Enterprise
MG10SDA400N
MG10 4TB
SAS 12 Gb/s · 3.5-inch
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Compare alternatives ↓As an Amazon Associate I earn from qualifying purchases.The Toshiba MG10SDA400N is a 4TB MG10 hard drive for server and enterprise storage, using SAS 12 Gb/s in a 3.5-inch form factor.
Manufacturer specifications
| Model number | MG10SDA400N |
|---|---|
| Nominal capacity | 4 TB · 4000 GB |
| RPM | 7200 |
| Interface | SAS 12 Gb/s |
| Cache (MiB) | 512 |
| Form factor | 3.5-inch |
| Sector format | 512n |
| Workload rating (TB/year) | 550 |
| Manufacturer limited warranty | 5 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 239 |
Source: Toshiba MG10 manufacturer specifications, pages 12. Reviewed 2026-09-07. Published specifications, not our benchmark results.
What the specifications mean
- Up to 239 MB/s sustained transfer, as specified by the manufacturer. This is not a measured game-loading or random-I/O result.
- 550 TB/year workload rating. This is a workload limit, not a promise of drive lifespan or a backup guarantee.
Before ordering
Match MG10SDA400N, 4TB and SAS 12 Gb/s against the selected offer. Check your system’s exact-model compatibility list and the seller’s warranty and return terms.
Amazon US listings
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MG10SDA400N questions answered
What connection does MG10SDA400N need?
MG10SDA400N uses SAS 12 Gb/s. It needs a compatible SAS controller or backplane; a standard motherboard SATA port cannot run it.
How much usable space does MG10SDA400N provide?
Its nominal capacity is 4000 GB, approximately 3725.3 GiB before formatting. The filesystem, reserved space and any RAID redundancy reduce usable capacity further.
What warranty is listed for MG10SDA400N?
Manufacturer specification: 5 years (eligible new drives). A renewed, used, OEM or imported offer can have different coverage. Check the serial number and seller terms before buying.