WD BLACK SN8100 1TB
1TB · PCIe 5.0 NVMe · 14,900 MB/s read · PassMark #33
Samsung 9100 PRO with Heatsink 4TB
4TB · PCIe 5.0 NVMe · 14,800 MB/s read · PassMark #32
Samsung 9100 PRO with Heatsink 4TB takes it — here’s why.
In our weighted Specdex score, WD BLACK SN8100 1TB lands at 77 and Samsung 9100 PRO with Heatsink 4TB at 78. That puts Samsung 9100 PRO with Heatsink 4TB ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick WD BLACK SN8100 1TB if…
- ✓Strong PCIe 5.0 performance at PassMark rank #33
- ✓PCIe 5.0 interface for next-gen platforms (AM5, LGA 1851)
Pick Samsung 9100 PRO with Heatsink 4TB if…
- ✓Strong PCIe 5.0 performance at PassMark rank #32
- ✓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
WD BLACK SN8100 1TBSpecdex score per dollar at MSRP
WD BLACK SN8100 1TB more score per dollar ($179 vs $569).
Score breakdown
Specs side-by-side
| Spec | WD BLACK SN8100 1TB | Samsung 9100 PRO with Heatsink 4TB |
|---|---|---|
| Form factor | M.2 2280 (single-sided) | M.2 2280 (with heatsink) |
| Interface | PCIe 5.0 x4 NVMe 2.0 | PCIe 5.0 x4 NVMe 2.0 |
| Sequential read | 14,900 MB/s | 14,800 MB/s |
| Sequential write | 11,000 MB/s | 13,400 MB/s |
| Random read | 1,600,000 IOPS | 2,200,000 IOPS |
| Random write | 2,400,000 IOPS | 2,600,000 IOPS |
| Controller | SanDisk-tuned Silicon Motion SM2508 (6nm, quad Cortex-R8) | Samsung Presto (in-house, 5nm) |
| NAND | 218-layer BiCS8 CBA 3D TLC | Samsung V8 V-NAND 3D TLC (236-layer) |
| DRAM | yes (onboard DRAM) | yes, LPDDR4X |
| Endurance | 600 TBW | 2,400 TBW |
| Warranty | 5 years | 5 years |
| PassMark Disk Score | 81,741 | 82,353 |
| PassMark rank | #33 of 100 consumer SSDs | #32 of 100 consumer SSDs |
WD BLACK SN8100 1TB
- +Strong PCIe 5.0 performance at PassMark rank #33
- +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
Samsung 9100 PRO with Heatsink 4TB
- +Strong PCIe 5.0 performance at PassMark rank #32
- +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
FAQ: WD BLACK SN8100 1TB vs Samsung 9100 PRO with Heatsink 4TB
Which is better, WD BLACK SN8100 1TB or Samsung 9100 PRO with Heatsink 4TB? +
Samsung 9100 PRO with Heatsink 4TB scores 78 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is WD BLACK SN8100 1TB worth the price? +
At $179, WD BLACK SN8100 1TB delivers a Specdex score of 77 — strongest in passmark_disk.
Is Samsung 9100 PRO with Heatsink 4TB worth the price? +
At $569, Samsung 9100 PRO with Heatsink 4TB delivers a Specdex score of 78 — strongest in passmark_disk.
Does WD BLACK SN8100 1TB or Samsung 9100 PRO with Heatsink 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, WD BLACK SN8100 1TB or Samsung 9100 PRO with Heatsink 4TB? +
WD BLACK SN8100 1TB — more score per dollar ($179 vs $569). Specdex score per dollar at MSRP.