The Samsung 970 EVO Plus 1TB wins in 3 out of 5 comparable specs. Its biggest advantage is Sequential Read (1695% better).
IronWolf 4TB wins in 1 spec (Capacity: 300% better).
Recommendation
Choose 970 EVO Plus 1TB if you want the best overall performance — especially sequential read.
Choose IronWolf 4TB if capacity matters more to you.
| Spec | Samsung970 EVO Plus 1TB | SeagateIronWolf 4TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 4000 GB+300% |
| Type | NVMe SSD | HDD |
| Interface | PCIe Gen3 x4 | SATA 6 Gb/s |
| Form Factor | M.2-2280 | 3.5" |
| NAND Type | TLC | N/A |
| Performance | ||
| Sequential Read | 3,500 MB/s+1695% | 195 MB/s |
| Sequential Write | ||
| 3,300 MB/s+1592% |
| 195 MB/s |
| Endurance (TBW) | 600 | N/A |
| Features | ||
| DRAM Cache | Yes | Yes |
| Platform | ||
| Controller | Samsung Phoenix | N/A |
| PCIe Gen | 3 | N/A |
| Price | ||
| MSRP | $70−30% | $100 |
| Release Date | Jan 2019 | Jan 2018 |
