Lexar NM990
The 14000 MB/s read and 10000 MB/s write speeds, paired with 2000K random read IOPS, make this PCIe 5.0 drive a top performer for heavy workloads. Its DRAM-less TLC design keeps power draw low, which suits laptops, though the 1500 TBW endurance is solid for long-term use. Best for desktop builders or laptop users who need fast Gen5 storage for large file transfers and gaming, not for portable external use.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong random (98th percentile) 98th
- Strong speed (97th percentile) 97th
- Strong capacity (78th percentile) 78th
- Strong endurance (77th percentile) 77th
Cons
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 2000 |
| Form Factor | M.2 |
| Interface | PCIe 5.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 5 |
| External | No |
Performance
| Sequential Read (MB/s) | 14000 |
| Sequential Write (MB/s) | 10000 |
| Random Read (IOPS) | 2000000 |
| Random Write (IOPS) | 1400000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 1500 |
| MTBF (hours) | 1500000 |
vs Competition
| Spec | Lexar NM990 | Samsung 9100 PRO | Western Digital WD Black SN850X | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 8TB | 4TB | 2TB | 2TB | 4TB |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 14,000 MB/s | 14,800 MB/s | 7,300 MB/s | 7,400 MB/s | 7,300 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | true | false |
| Endurance | 1500 TBW | 4800 TBW | 2400 TBW | 1200 TBW | 2000 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| Lexar NM990 | 96.8 | 97.8 | 71.3 | 78.3 | 76.8 |
| Samsung 9100 PRO Compare | 99.1 | 99.8 | 99.8 | 98.1 | 85.6 |
| Western Digital WD Black SN850X Compare | 88.3 | 95.1 | 93.9 | 92.5 | 80.6 |
| Crucial T500 Compare | 93.7 | 96.4 | 99 | 78.3 | 82.6 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.8 | 93.9 | 78.3 | 93.7 |
| Seagate FireCuda 530R Compare | 92.5 | 96.3 | 52.8 | 92.5 | 95.5 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.