Samsung 9100 PRO 1TB SSD
1TB · PCIe 5.0 NVMe · 14,700 MB/s read · PassMark #37
WD Black SN850X 2TB · bare
PCIe 4.0 · 7300/6600 MB/s · 2TB
WD Black SN850X 2TB · bare takes it — here’s why.
In our weighted Specdex score, Samsung 9100 PRO 1TB SSD lands at 76 and WD Black SN850X 2TB · bare at 86. That puts WD Black SN850X 2TB · bare ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Samsung 9100 PRO 1TB SSD if…
- ✓Strong PCIe 5.0 performance at PassMark rank #37
- ✓Pro-tier controller and DRAM cache for sustained throughput
- ✓PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
Pick WD Black SN850X 2TB · bare if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
WD Black SN850X 2TB · bareSpecdex score per dollar at MSRP
WD Black SN850X 2TB · bare more score per dollar ($180 vs $199).
Score breakdown
Specs side-by-side
| Spec | Samsung 9100 PRO 1TB SSD | WD Black SN850X 2TB · bare |
|---|---|---|
| Form factor | M.2 2280 | — |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 4.0 |
| Sequential read | 14,700 MB/s | — |
| Sequential write | 13,300 MB/s | — |
| Random read | 1,850,000 IOPS | — |
| Random write | 2,600,000 IOPS | — |
| Controller | Samsung Presto (in-house, 5nm) | — |
| NAND | Samsung V8 V-NAND 3D TLC (236-layer) | — |
| DRAM | yes, LPDDR4X | — |
| Endurance | 600 TBW | — |
| Warranty | 5 years | — |
| PassMark Disk Score | 80,816 | — |
| PassMark rank | #37 of 100 consumer SSDs | — |
| Capacity | — | 2TB |
| Read/Write | — | 7300/6600 MB/s |
Samsung 9100 PRO 1TB SSD
- +Strong PCIe 5.0 performance at PassMark rank #37
- +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
- −Pricing varies — confirm current retail before purchase
WD Black SN850X 2TB · bare
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
FAQ: Samsung 9100 PRO 1TB SSD vs WD Black SN850X 2TB · bare
Which is better, Samsung 9100 PRO 1TB SSD or WD Black SN850X 2TB · bare? +
WD Black SN850X 2TB · bare scores 86 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.
Is Samsung 9100 PRO 1TB SSD worth the price? +
At $199, Samsung 9100 PRO 1TB SSD delivers a Specdex score of 76 — strongest in passmark_disk.
Is WD Black SN850X 2TB · bare worth the price? +
At $180, WD Black SN850X 2TB · bare delivers a Specdex score of 86 — strongest in read.
Does Samsung 9100 PRO 1TB SSD or WD Black SN850X 2TB · bare 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, Samsung 9100 PRO 1TB SSD or WD Black SN850X 2TB · bare? +
WD Black SN850X 2TB · bare — more score per dollar ($180 vs $199). Specdex score per dollar at MSRP.