The Samsung 9100 Pro 1TB wins in 4 out of 7 comparable specs. Its biggest advantage is Sequential Read (185% better).
WD Black SN770 2TB wins in 3 specs (Capacity: 100% better).
Recommendation
Choose 9100 Pro 1TB if you want the best overall performance — especially sequential read.
Choose WD Black SN770 2TB if capacity matters more to you.
| Spec | Samsung9100 Pro 1TB | Western DigitalWD Black SN770 2TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 2000 GB+100% |
| Type | NVMe SSD | NVMe SSD |
| Interface | PCIe Gen5 x4 | PCIe Gen4 x4 |
| Form Factor | M.2-2280 | M.2-2280 |
| NAND Type | TLC | TLC |
| Performance | ||
| Sequential Read | 14,700 MB/s+185% | 5,150 MB/s |
| Sequential Write | ||
| 13,300 MB/s+174% |
| 4,850 MB/s |
| Endurance (TBW) | 600 | 1,200+100% |
| Features | ||
| DRAM Cache | Yes+100% | No |
| Platform | ||
| Controller | Samsung Piccolo | WD in-house |
| PCIe Gen | 5+25% | 4 |
| Price | ||
| MSRP | $160 | $100−37% |
| Release Date | Mar 2025 | Feb 2022 |
