HDD · SATA · 18TB
Seagate SkyHawk AI vs Toshiba MG09 18TB
The price verdict
Toshiba MG09 18TB has the lower cost per TB.
Price comparison, including shipping; not an overall reliability rating.
Compared drive
Seagate SkyHawk AI 18TB →$799.99
$44.44 / TB
Usedprices last checked 2026-10-13 18:07 UTC
Buy on eBay →↓ Lower cost / TB
Toshiba MG09 18TB →MG09ACA18TE
$451.98
$25.11 / TB
Newprices last checked 2026-10-13 18:07 UTC
Buy on eBay →Some “Buy” links earn us a commission. Who pays us.
the short version
- ▸On today's best listings the Toshiba MG09 18TB is 43% cheaper per terabyte ($25.11/TB vs $44.44/TB). Prices move — check the live table below.
spec by spec
✓ marks the better value for each comparable specification.
| Spec | Seagate SkyHawk AI | Toshiba MG09 |
|---|---|---|
| Cost per TB (today) | $44.44/TB | ✓$25.11/TB |
| Best total price | $799.99 | ✓$451.98 |
| Workload rating | 550 TB/yr | 550 TB/yr |
| Warranty | 5 years | 5 years |
| MTBF | 1.2M hours | ✓2.5M hours |
| Cache | 256 MB | ✓512 MB |
| Spindle speed | 7,200 RPM | 7,200 RPM |
| Recording | CMR | CMR |
| Form factor | 3.5" | 3.5" |
Specs are manufacturer figures for each family; prices are the cheapest in-stock listing found on the last ingest, including shipping. Used and refurbished listings may differ in firmware, sector size and remaining warranty — verify with the seller.
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