Drive comparison
ST4000VNZ06 vs HDWG740EZSTC
Seagate IronWolf 4TB and Toshiba N300 4TB, compared using published manufacturer specifications.
Seagate
IronWolf 4TB
ST4000VNZ06
SATA 6 Gb/s · 3.5-inch
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Full specifications & all listings →Toshiba
N300 4TB
HDWG740EZSTC
SATA 6 Gb/s · 3.5-inch
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What differs between these models?
- RPM: ST4000VNZ06 lists 5400; HDWG740EZSTC lists 7200.
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 | ST4000VNZ06 | HDWG740EZSTC |
|---|---|---|
| Manufacturer | Seagate | Toshiba |
| Product family | IronWolf | N300 |
| Model number | ST4000VNZ06 | HDWG740EZSTC |
| Capacity (TB) | 4 | 4 |
| RPM | 5400 | 7200 |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Recording | CMR | CMR |
| Cache (MB) | 256 | Not recorded |
| Form factor | 3.5-inch | 3.5-inch |
| Load/unload cycles | 600000 | Not recorded |
| Average idle power (W) | 3.2 | Not recorded |
| Power-on hours per year | 8760 | Not recorded |
| Average operating power (W) | 3.7 | Not recorded |
| Rotational vibration sensors | Yes | Not recorded |
| Manufacturer limited warranty | 3 years (eligible new drives) | 3 years (eligible new drives) |
| Sustained transfer (up to MB/s) | 202 | Not recorded |
| Package / region | Not recorded | Retail / EMEA |
| Workload rating (TB/year) | Not recorded | 180 |
Compatibility and buying checks
- Compare new and renewed offers separately. The manufacturer specification does not guarantee the warranty or return policy of a marketplace seller.
Manufacturer sources
ST4000VNZ06
Seagate IronWolf manufacturer specifications ↗ · pages 2
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.
HDWG740EZSTC
Toshiba N300 manufacturer specifications ↗
Reviewed 2026-09-07. Published specifications; no independent benchmark or failure-rate claim.