The Seagate IronWolf 4TB wins in 2 out of 5 comparable specs. Its biggest advantage is Sequential Read (5% better).
Recommendation
Choose IronWolf 4TB if you want the best overall performance — especially sequential read.
| Spec | SeagateIronWolf 4TB | Western DigitalWD Red Plus 4TB |
|---|---|---|
| Storage | ||
| Capacity | 4000 GB | 4000 GB |
| Type | HDD | HDD |
| Interface | SATA 6 Gb/s | SATA 6 Gb/s |
| Form Factor | 3.5" | 3.5" |
| Performance | ||
| Sequential Read | 195 MB/s+5% | 185 MB/s |
| Sequential Write | 195 MB/s+5% | 185 MB/s |
| Features | ||
| DRAM Cache | Yes | Yes |
| Price | ||
| MSRP | $100 | $100 |
| Release Date | Jan 2018 | Jun 2020 |
