WD BLACK SN8100 1TB
1TB · PCIe 5.0 NVMe · 14,900 MB/s read · PassMark #33
Samsung 9100 PRO with Heatsink 8TB
8TB · PCIe 5.0 NVMe · 14,800 MB/s read · PassMark #35
Dead heat — it comes down to priorities.
In our weighted Specdex score, WD BLACK SN8100 1TB lands at 77 and Samsung 9100 PRO with Heatsink 8TB at 77. With scores tied, the decision hinges on which sub-scores matter most to you.
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 8TB if…
- ✓Strong PCIe 5.0 performance at PassMark rank #35
- ✓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 $1,019).
Score breakdown
Specs side-by-side
| Spec | WD BLACK SN8100 1TB | Samsung 9100 PRO with Heatsink 8TB |
|---|---|---|
| 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 | 4,800 TBW |
| Warranty | 5 years | 5 years |
| PassMark Disk Score | 81,741 | 81,338 |
| PassMark rank | #33 of 100 consumer SSDs | #35 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 8TB
- +Strong PCIe 5.0 performance at PassMark rank #35
- +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 8TB
Which is better, WD BLACK SN8100 1TB or Samsung 9100 PRO with Heatsink 8TB? +
Both score 77 on our weighted rubric — tied. 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 8TB worth the price? +
At $1,019, Samsung 9100 PRO with Heatsink 8TB delivers a Specdex score of 77 — strongest in passmark_disk.
Does WD BLACK SN8100 1TB or Samsung 9100 PRO with Heatsink 8TB 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 8TB? +
WD BLACK SN8100 1TB — more score per dollar ($179 vs $1,019). Specdex score per dollar at MSRP.