Samsung 990 PRO 1TB vs Samsung 990 PRO 2TB
Key differences
- Samsung 990 PRO 2TB: endurance 1,200 TBW vs 600 TBW (50% higher)
- Samsung 990 PRO 2TB: capacity 2 TB vs 1 TB (50% higher)
Same on both: dram cache Yes, nand TLC, sequential read 7,450 MB/s, interface PCIe 4.0 x4, sequential write 6,900 MB/s, form factor M.2 2280.
| Samsung 990 PRO 1TB | Samsung 990 PRO 2TB | |
|---|---|---|
| Released | 2022 | 2022 |
| Endurance | 600 TBW | 1,200 TBW |
| DRAM cache | Yes | Yes |
| NAND | TLC | TLC |
| Sequential read | 7,450 MB/s | 7,450 MB/s |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Sequential write | 6,900 MB/s | 6,900 MB/s |
| Capacity | 1 TB | 2 TB |
| Form factor | M.2 2280 | M.2 2280 |