Manufacturer product-family image; capacity label may differ. Image: SanDisk / WD_BLACK ↗
Western Digital · SSDs
WD BLACK SN8100 4TB
M.2 2280 (single-sided) · PCIe 5.0 x4 NVMe 2.0 · 14,900 MB/s listed sequential read
US launch / reference price: $549 · Released 2025-05-13
Historical catalog price reference; not a current retailer offer.
Editorial overview
WD BLACK SN8100 4TB has a listed M.2 2280 (single-sided) form factor and PCIe 5.0 x4 NVMe 2.0 interface. Recorded sequential transfer figures are 14,900 MB/s read and 14,000 MB/s write. The capacity-specific endurance figure is 2,400 TBW. The reference lists a warranty term of 5 years; check its endurance limits and other terms.
This is a sourced product profile with editorial judgments. Specdex has not tested this device in an in-house lab.
Reasons to consider it
- Interface: PCIe 5.0 x4 NVMe 2.0
- Listed endurance: 2,400 TBW
- Form factor: M.2 2280 (single-sided)
Tradeoffs to check
- Check slot compatibility, exact capacity and heatsink clearance before purchase.
- No in-house sustained-write or latency testing is available for this profile.
Specifications
Configurations and regional models can differ. A dated source beside a field identifies a specific cross-check; other fields remain catalog reference information.
Performance
- DRAM
- yes (onboard DRAM)
Storage
- Sequential read
- 14,900 MB/s
- Sequential write
- 14,000 MB/s
- Random read
- 2,300,000 IOPS
- Random write
- 2,400,000 IOPS
- NAND
- 218-layer BiCS8 CBA 3D TLC
- Endurance
- 2,400 TBW
Software & support
- Warranty
- 5 years
Other
- Form factor
- M.2 2280 (single-sided)
- Interface
- PCIe 5.0 x4 NVMe 2.0
- Controller
- SanDisk-tuned Silicon Motion SM2508 (6nm, quad Cortex-R8)
Prices & availability
US launch / reference: $549. This is not a current retailer offer.
Checking current offers…
Price history
Prices apply to the listed configuration and condition. Tax and shipping are not included unless the retailer states otherwise.
Sources & confidence
Third-party reference: www.storagereview.com ↗
No complete verification date is recorded for this profile. A reference link is not proof that every field has been independently checked. Consult the linked source for model, region and test conditions.
This device has not received an editorial rating yet. Editorial scores use rubric editorial-2026-09; they are not manufacturer ratings or measured benchmark results. Missing information is not scored as zero.
