What you should know
Buyer verdict. SanDisk WD_BLACK SN8100: fast Gen5 NVMe drive where 2TB and higher can reach stronger write limits. This is a researched buying guide, not a hands-on laboratory test by GearVerity Technology.
The interface is PCIe 5.0 x4 NVMe in M.2 2280 form. The quoted upper sequential read rating is 14,900 MB/s; the maximum quoted write rating is 14,000 MB/s. These figures and platform characteristics are attributed to the manufacturer documentation. They are not independently measured GearVerity results. In particular, advertised theoretical ceilings, reference power ratings and memory-clock profiles should not be read as guaranteed results in a finished PC.
Who should buy it?
Best suited to creators moving large media repeatedly. In a balanced build, this role should drive surrounding component choices: do not consume most of the budget here if the display, software workload, case geometry or storage need is the actual bottleneck. Its standout strengths are up to 14.9GB/s maker-rated reads; Standard NVMe workflow and motherboard heatsink options.
Who should skip it?
Consider alternatives if you are among users with Gen4-only slots paying a large premium. The meaningful compromises are 1TB write figure is 11GB/s rather than the 14GB/s headline; Rated peaks are workload-, thermal- and capacity-dependent. These are purchasing trade-offs, not reported faults from a GearVerity sample. Review return policies and configuration-level specifications, especially when a model name covers multiple partner cards, board revisions or memory kits.
Platform and fit checklist
Install it in an M-key M.2 slot with the intended PCIe lane generation and confirm heatsink height and double-sided clearance. Gen5 drives are backward compatible at lower link speeds, so a Gen4 motherboard will not unlock the printed Gen5 maximum. Published sequential transfer figures are short-test best cases and never guaranteed everyday numbers.
Performance evidence, not marketing
High sequential bandwidth matters most in sustained file transfers and intensive creator workloads; opening an application, game loading and mixed random I/O may differ much less. Performance also changes with SLC cache exhaustion, fill level and temperature. Check tested sustained-write plots, not only the box's 'up to' numbers.
For third-party measurements, consult the independent testing/reference alongside its test setup. Findings belong to the review publisher, not to GearVerity; check whether the precise memory or board variant under discussion was tested.
Alternatives worth comparing
Against Samsung 9100 PRO, weigh the actual compatibility and software stack rather than a headline product tier. Crucial T710 is also worth pricing locally; availability and retail cost move independently of launch-time positioning. Because no live regional price history is stored here, this article does not declare a price winner.
Verified specification snapshot
| Field | Manufacturer-sourced value |
|---|---|
| Form factor | M.2 2280 |
| Interface | PCIe 5.0 x4 NVMe |
| Capacities tb | 1, 2, 4, 8 |
| Max rated sequential read (MB/s) | up to 14,900 MB/s (manufacturer rating) |
| Max rated sequential write (MB/s) | up to 14,000 MB/s (manufacturer rating) |
Sources and verification
- Manufacturer product specifications — source of technical data and compatibility statements.
- Independent review / test reference — publisher data, not reproduced without attribution.
Research cut-off: October 23, 2026. Confirm firmware, product revision and regional availability before purchase.
Detailed specifications
Only recorded manufacturer-backed values are listed. Missing values are omitted rather than guessed; regional variants can differ.
Other specifications
| form factor | M.2 2280 |
|---|---|
| interface | PCIe 5.0 x4 NVMe |
| manufacturer advertised max sequential read mb s | 14900 |
| manufacturer advertised max sequential write mb s | 14000 |
Sources and limitations
This is an editorial synthesis—not a claim that GearVerity physically tested the unit. Confirm region, availability, price, software support, and configuration with the manufacturer or retailer.