Lexar SSD NM1090 PRO 1TB
1TB · PCIe 5.0 NVMe · 11,700 MB/s read · PassMark #63
Samsung 9100 PRO with Heatsink 1TB
1TB · PCIe 5.0 NVMe · 14,700 MB/s read · PassMark #55
Samsung 9100 PRO with Heatsink 1TB takes it — here’s why.
In our weighted Specdex score, Lexar SSD NM1090 PRO 1TB lands at 70 and Samsung 9100 PRO with Heatsink 1TB at 72. That puts Samsung 9100 PRO with Heatsink 1TB ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Lexar SSD NM1090 PRO 1TB if…
- ✓Capable NVMe drive at PassMark rank #63
- ✓Pro-tier controller and DRAM cache for sustained throughput
Pick Samsung 9100 PRO with Heatsink 1TB if…
- ✓Capable NVMe drive at PassMark rank #55
- ✓Pro-tier controller and DRAM cache for sustained throughput
- ✓PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Lexar SSD NM1090 PRO 1TBSpecdex score per dollar at MSRP
Lexar SSD NM1090 PRO 1TB more score per dollar ($139 vs $219).
Score breakdown
Specs side-by-side
| Spec | Lexar SSD NM1090 PRO 1TB | Samsung 9100 PRO with Heatsink 1TB |
|---|---|---|
| Form factor | M.2 2280 | M.2 2280 (with heatsink) |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 5.0 x4 NVMe 2.0 |
| Sequential read | 11,700 MB/s | 14,700 MB/s |
| Sequential write | 10,000 MB/s | 13,300 MB/s |
| Random read | 1,650,000 IOPS | 1,850,000 IOPS |
| Random write | 1,800,000 IOPS | 2,600,000 IOPS |
| Controller | Silicon Motion SM2508 (6nm) | Samsung Presto (in-house, 5nm) |
| NAND | 232-layer Micron B58R 3D TLC | Samsung V8 V-NAND 3D TLC (236-layer) |
| DRAM | yes, ~1GB LPDDR4X per TB | ▲ yes, LPDDR4X |
| Endurance | 700 TBW | 600 TBW |
| Warranty | 5 years | 5 years |
| PassMark Disk Score | 74,291 | 76,420 |
| PassMark rank | #63 of 100 consumer SSDs | #55 of 100 consumer SSDs |
Lexar SSD NM1090 PRO 1TB
- +Capable NVMe drive at PassMark rank #63
- +Pro-tier controller and DRAM cache for sustained throughput
- −DRAM-less controllers on lower-tier variants may throttle under sustained writes
- −Newer drives out-perform this generation on sequential + random 4K
Samsung 9100 PRO with Heatsink 1TB
- +Capable NVMe drive at PassMark rank #55
- +Pro-tier controller and DRAM cache for sustained throughput
- +PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
- −PCIe 5.0 drives run hot — heatsink or motherboard M.2 cooling recommended
- −Newer drives out-perform this generation on sequential + random 4K
FAQ: Lexar SSD NM1090 PRO 1TB vs Samsung 9100 PRO with Heatsink 1TB
Which is better, Lexar SSD NM1090 PRO 1TB or Samsung 9100 PRO with Heatsink 1TB? +
Samsung 9100 PRO with Heatsink 1TB scores 72 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Lexar SSD NM1090 PRO 1TB worth the price? +
At $139, Lexar SSD NM1090 PRO 1TB delivers a Specdex score of 70 — strongest in passmark_disk.
Is Samsung 9100 PRO with Heatsink 1TB worth the price? +
At $219, Samsung 9100 PRO with Heatsink 1TB delivers a Specdex score of 72 — strongest in passmark_disk.
Does Lexar SSD NM1090 PRO 1TB or Samsung 9100 PRO with Heatsink 1TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is the better value, Lexar SSD NM1090 PRO 1TB or Samsung 9100 PRO with Heatsink 1TB? +
Lexar SSD NM1090 PRO 1TB — more score per dollar ($139 vs $219). Specdex score per dollar at MSRP.