Samsung 870 EVO 1TB
SATA · 560/530 MB/s · 1TB
WD BLACK SN8100 4TB
4TB · PCIe 5.0 NVMe · 14,900 MB/s read · PassMark #9
Dead heat — it comes down to priorities.
In our weighted Specdex score, Samsung 870 EVO 1TB lands at 85 and WD BLACK SN8100 4TB at 85. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Samsung 870 EVO 1TB if…
- ✓Plug-and-play (portable)
- ✓Competitive per-GB cost
- ✓3-5 year warranties typical
Pick WD BLACK SN8100 4TB if…
- ✓PassMark Disk Score top-20 (90,416) — sustained-write class-leading
- ✓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
Samsung 870 EVO 1TBSpecdex score per dollar at MSRP
Samsung 870 EVO 1TB more score per dollar ($85 vs $549).
Score breakdown
Specs side-by-side
| Spec | Samsung 870 EVO 1TB | WD BLACK SN8100 4TB |
|---|---|---|
| Interface | SATA | PCIe 5.0 x4 NVMe 2.0 |
| Capacity | 1TB | — |
| Read/Write | 560/530 MB/s | — |
| Release year | 2020 | — |
| Form factor | — | M.2 2280 (single-sided) |
| 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 | — | 2,400 TBW |
| Warranty | — | 5 years |
| PassMark Disk Score | — | 90,416 |
| PassMark rank | — | #9 of 100 consumer SSDs |
Samsung 870 EVO 1TB
- +Plug-and-play (portable)
- +Competitive per-GB cost
- +3-5 year warranties typical
- −Portable variants are USB-only
- −SATA models capped ~550 MB/s
- −DRAM-less drives slower sustained
WD BLACK SN8100 4TB
- +PassMark Disk Score top-20 (90,416) — sustained-write class-leading
- +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
FAQ: Samsung 870 EVO 1TB vs WD BLACK SN8100 4TB
Which is better, Samsung 870 EVO 1TB or WD BLACK SN8100 4TB? +
Both score 85 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Samsung 870 EVO 1TB worth the price? +
At $85, Samsung 870 EVO 1TB delivers a Specdex score of 85 — strongest in read.
Is WD BLACK SN8100 4TB worth the price? +
At $549, WD BLACK SN8100 4TB delivers a Specdex score of 85 — strongest in passmark_disk.
Does Samsung 870 EVO 1TB or WD BLACK SN8100 4TB 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 870 EVO 1TB or WD BLACK SN8100 4TB? +
Samsung 870 EVO 1TB — more score per dollar ($85 vs $549). Specdex score per dollar at MSRP.