The SANDISK WD Black SN7100 (WDS400T4X0E) is a 4 TB NVMe SSD in M.2 2280 format with a powerful PCIe Gen4×4 interface. It offers sequential read speeds of up to 7,000 MB/s and write speeds of up to 6,700 MB/s. It uses 3D TLC NAND with WD Polaris architecture and no DRAM. The SSD achieves random performance of up to 900,000 IOPS for reading and 1,350,000 IOPS for writing. It is optimized for gaming, creative, and AI applications and is compatible with Windows and Linux. It is supported by WD SSD Dashboard.

Specifications:
Model: WDS400T4X0E
Capacity: 4 TB
Form factor: M.2 2280
Interface: PCIe Gen4×4 NVMe
Sequential read: up to 7,000 MB/s
Sequential write: up to 6,700 MB/s
Random read (4 KB): up to 900,000 IOPS
Random write (4 KB): up to 1,350,000 IOPS
NAND: 3D TLC NAND
Controller: WD Polaris (DRAM-less)
TBW: 2,400 TB
MTBF: not specified
Compatibility: Windows, Linux
Dimensions (L × W × H): 80 × 22 × 2.38 mm
Weight: approx. 5.8 g
Certifications: CE, FCC, RCM, UKCA, BSMI, VCCI, KCC, Morocco, TÜV, UL