Expert Features

• PCIe® Gen 5.0 x4 Speed Monster : The 4TB WD_BLACK™ SN8100 pushes sequential reads up to 14,900MB/s and writes up to 14,000MB/s—proper next-gen storage for high-end gaming, creation, and AI workloads.
• 2.3M / 2.4M IOPS Random Performance : Up to 2.3 million random-read IOPS and 2.4 million random-write IOPS attack heavy multitasking, asset streaming, game loads, and scratch-disk workloads without waiting politely.
• 4TB High-End Capacity : This exact WDS400T1X0M-00CMT0 model delivers 4TB of NVMe storage in the compact M.2 2280 format.
• TLC 3D CBA NAND + DRAM : Advanced TLC 3D CBA NAND is paired with onboard DRAM, combining flagship-class speed with workload consistency and reliability.
• 2,400 TBW Endurance : The 4TB version is rated for a huge 2,400TBW, giving demanding gaming, editing, streaming, caching, and AI workloads serious endurance headroom.
• Efficient Gen5 Performance : Average active power is only 6.5W while reading and 7.0W while writing, with a 5mW PS4 sleep state.
• Broad PCIe Backward Compatibility : Native PCIe Gen5 x4 / NVMe 2.0, while remaining backward compatible with supported PCIe Gen4, Gen3, and Gen2 configurations.
• Ultra-Slim Non-Heatsink Edition : At just 80 × 22 × 2.38mm and 7.5g, this exact model is the without-heatsink version, suitable for compatible desktops and laptops with an M.2 M-key 2280 slot.

Expert Specs