WESTERN DIGITAL SN8100 1TB NVMe SSD review (2026)
How fast is the SN8100 (1TB) produced by WESTERN DIGITAL and further details read below in our article.

Controller & Memory
SN8100 (1TB) produced by WESTERN DIGITAL works on Silicon Mortion SM2508. The drive write a data location map on DRAM Yes to run a games without delays. The SN8100 comes equipped with Kioxia 3D TLC flash memory. This NVMe also available in 3 capacities, including 4 TB, 8 TB and 2 TB volume sizes.
Storage Comparisons:
SN8100 Performance & Benchmarks
Drive use PCIe M.2 4.0 x 4 bus with write speeds equals to 14000 MB/s, and maximum read speeds 14900 Mbps. SN8100 has input/output performance 2300000 on reading and 2400000 on writing operations per second.
WESTERN DIGITAL SN8100 1 TB vs M.2 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- WESTERN DIGITAL SN8100 1 TB (this drive): 14,900 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
WESTERN DIGITAL SN8100 vs Competitors
See how the SN8100 stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
WESTERN DIGITAL give 4 years of warranty that limited by 2.3 Total Bytes Written. As well it has 2000000 million hours mean time between failure.
WESTERN DIGITAL SN8100 1 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Silicon Mortion SM2508 |
| Memory type [?] | Kioxia 3D TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 14900 |
| Write speed (MB/s) [?] | 14000 |
| Read IOPS [?] | 2300000 |
| Write IOPS [?] | 2400000 |
| Endurance (TBW) [?] | 2.3 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 4 |
Verdict: Is the SN8100 Worth It in 2026?
WESTERN DIGITAL SN8100 1TB use PCIe Gen4 that is significantly faster than PCIe Gen3. The sequential write speed is 14000 Mbps, that is faster than has other rivals. The drive provide possibility to write 2.3 TBW, that is not very much in comparison with rivals. When everything is weighed in the balance, our site strongly recommend to purchase WESTERN DIGITAL SN8100 1TB for your PC.
+ Pros
- Excellent writing speed
- PCIe 4.0
- Capacity
- Cons
- Writing speed
Buy this or similar SSD Storage:
Video Review
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