WD BLACK SN8100 4 TB (WDS400T1X0M)

The WD BLACK SN8100 is a series of internal NVMe SSDs in M.2 2280 form factor designed for desktop PCs and compatible laptops, built on the PCIe 5.0 x4 interface and targeting the ultra-high-performance segment for gaming, video editing, rendering, and demanding workloads. The WD BLACK SN8100 lineup covers capacities of 1, 2, 4, and 8 TB, with both non-heatsink and heatsink versions available for all capacity points. Sequential read speeds across the lineup reach up to 14,900 MB/s, while write speeds reach up to 14,000 MB/s for the 2 TB and 4 TB models. The 1 TB variant delivers up to 11,000 MB/s write speeds, while the 8 TB model reaches up to 13,200 MB/s. The higher-capacity models are rated for up to 2.3 million read IOPS and up to 2.4 million write IOPS. The series is built on TLC 3D CBA NAND technology. WD BLACK SN8100 is engineered for modern systems with PCIe Gen5 support while maintaining the standard 2280 form factor, simplifying integration into high-performance builds. The WD BLACK SN8100 represents a flagship consumer SSD lineup for scenarios where peak speeds, high IOPS headroom, and the choice between a slim profile and a heatsink-equipped variant are critical.