WD-Black-SSD

Key Specifications

• Capacity: 1 TB.

• Form Factor: M.2 2280 (single-sided).

• Interface: PCIe 4.0 ×4, NVMe. Back-compatible with PCIe 3.0/2.0.

• Sequential Read Speed (max): up to ≈ 7,250 MB/s.

• Sequential Write Speed (max): up to ≈ 6,900 MB/s.

• Random IOPS (1TB model): ~1,000K reads / ~1,400K writes (based on some review data) for the 1TB and 2TB variants.

• NAND Type: TLC 3D NAND (Western Digital’s next-gen).

• DRAM: It is a DRAM-less design employing HMB (Host Memory Buffer) instead of on-board DRAM.

• Endurance (TBW): For the 1TB model, rated around ~600 TBW (terabytes written) in some listings.

• Warranty: 5-year limited warranty.