ADATA LEGEND 970 PRO 4TB SSD
4TB · PCIe 4.0 NVMe · PassMark #61
NVMe WD BLACK SN8100 2TB
2TB · PCIe 5.0 NVMe · 14,900 MB/s read · PassMark #56
NVMe WD BLACK SN8100 2TB takes it — here’s why.
In our weighted Specdex score, ADATA LEGEND 970 PRO 4TB SSD lands at 71 and NVMe WD BLACK SN8100 2TB at 72. That puts NVMe WD BLACK SN8100 2TB ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick ADATA LEGEND 970 PRO 4TB SSD if…
- ✓Capable NVMe drive at PassMark rank #61
- ✓Pro-tier controller and DRAM cache for sustained throughput
Pick NVMe WD BLACK SN8100 2TB if…
- ✓Capable NVMe drive at PassMark rank #56
- ✓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
NVMe WD BLACK SN8100 2TBSpecdex score per dollar at MSRP
NVMe WD BLACK SN8100 2TB more score per dollar ($279 vs $400).
Score breakdown
Specs side-by-side
| Spec | ADATA LEGEND 970 PRO 4TB SSD | NVMe WD BLACK SN8100 2TB |
|---|---|---|
| PassMark Disk Score | 74,879 | 75,912 |
| PassMark rank | #61 of 100 consumer SSDs | #56 of 100 consumer SSDs |
| Form factor | — | M.2 2280 (single-sided) |
| Interface | — | PCIe 5.0 x4 NVMe 2.0 |
| Sequential read | — | 14,900 MB/s |
| Sequential write | — | 14,000 MB/s |
| Random read | — | 2,300,000 IOPS |
| Random write | — | 2,400,000 IOPS |
| Controller | — | SanDisk-tuned Silicon Motion SM2508 (6nm, quad Cortex-R8) |
| NAND | — | 218-layer BiCS8 CBA 3D TLC |
| DRAM | — | yes (onboard DRAM) |
| Endurance | — | 1,200 TBW |
| Warranty | — | 5 years |
ADATA LEGEND 970 PRO 4TB SSD
- +Capable NVMe drive at PassMark rank #61
- +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
NVMe WD BLACK SN8100 2TB
- +Capable NVMe drive at PassMark rank #56
- +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: ADATA LEGEND 970 PRO 4TB SSD vs NVMe WD BLACK SN8100 2TB
Which is better, ADATA LEGEND 970 PRO 4TB SSD or NVMe WD BLACK SN8100 2TB? +
NVMe WD BLACK SN8100 2TB scores 72 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is ADATA LEGEND 970 PRO 4TB SSD worth the price? +
At $400, ADATA LEGEND 970 PRO 4TB SSD delivers a Specdex score of 71 — strongest in passmark_disk.
Is NVMe WD BLACK SN8100 2TB worth the price? +
At $279, NVMe WD BLACK SN8100 2TB delivers a Specdex score of 72 — strongest in passmark_disk.
Does ADATA LEGEND 970 PRO 4TB SSD or NVMe WD BLACK SN8100 2TB 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, ADATA LEGEND 970 PRO 4TB SSD or NVMe WD BLACK SN8100 2TB? +
NVMe WD BLACK SN8100 2TB — more score per dollar ($279 vs $400). Specdex score per dollar at MSRP.