The Seagate IronWolf 4TB wins in 3 out of 5 comparable specs. Its biggest advantage is MSRP (23% better).
Barracuda 8TB wins in 1 spec (Capacity: 100% better).
Recommendation
Choose IronWolf 4TB if you want the best overall performance — especially msrp.
Choose Barracuda 8TB if capacity matters more to you.
| Spec | SeagateBarracuda 8TB | SeagateIronWolf 4TB |
|---|---|---|
| Storage | ||
| Capacity | 8000 GB+100% | 4000 GB |
| Type | HDD | HDD |
| 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% |
| Features |
| DRAM Cache | Yes | Yes |
| Price | ||
| MSRP | $130 | $100−23% |
| Release Date | Jun 2020 | Jan 2018 |