| Spec | Barracuda 1TB | IronWolf 4TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 4000 GB+75% |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Form Factor | 3.5" | 3.5" |
| Performance | ||
| Sequential Read | 190 MB/s | 195 MB/s+3% |
| Sequential Write | 190 MB/s | 195 MB/s+3% |
| Price | ||
| MSRP | $40+60% | $100 |
| Release Date | ||
| 2016-11-01 |
| 2018-01-01 |
