The Western Digital WD Black SN850X 2TB wins in 2 out of 5 comparable specs. Its biggest advantage is Sequential Read (3742% better).
Barracuda 2TB wins in 1 spec (MSRP: 61% better).
Recommendation
Choose WD Black SN850X 2TB if you want the best overall performance — especially sequential read.
Choose Barracuda 2TB if msrp matters more to you.
| Spec | SeagateBarracuda 2TB | Western DigitalWD Black SN850X 2TB |
|---|---|---|
| Storage | ||
| Capacity | 2000 GB | 2000 GB |
| Type | HDD | NVMe SSD |
| Interface | SATA 6 Gb/s | PCIe Gen4 x4 |
| Form Factor | 3.5" | M.2-2280 |
| NAND Type | N/A | TLC |
| Performance | ||
| Sequential Read | 190 MB/s | 7,300 MB/s+3742% |
| Sequential Write | 190 MB/s | |
| 6,600 MB/s+3374% |
| Endurance (TBW) | N/A | 1,200 |
| Features | ||
| DRAM Cache | Yes | Yes |
| Platform | ||
| Controller | N/A | WD in-house |
| PCIe Gen | N/A | 4 |
| Price | ||
| MSRP | $55−61% | $140 |
| Release Date | Jul 2018 | Aug 2022 |
