Product Overview & Features:

1. Ultimate PCIe Gen4 Performance: Pushes the absolute boundaries of Gen4 x4 architecture to dramatically crush load times and eliminate in-game texture pop-ins.
2. Massive 4TB Storage Vault: Offers an expansive 4000GB capacity built for professional creators handling 4K/8K video editing and gamers keeping huge modern game libraries at the ready.
3. Game Mode 2.0 Innovation: Driven by the downloadable WD_BLACK Dashboard to auto-enable Predictive Loading, Overhead Balancing, and low-latency gaming enhancements (Windows only).
4. Slim Non-Heatsink Profile: Built without a bulky thermal armor, making it perfectly compatible with thin gaming laptops, handheld systems, or desktop motherboards equipped with built-in heatsinks.
5. DirectStorage Ready: Fully supports Microsoft's DirectStorage API to facilitate faster GPU asset rendering and asset loads in next-gen gaming titles.

Technical Specifications:

1. Storage Capacity: 4 TB (4000 GB).
2. Form Factor: Standard M.2 2280 configuration.
3. Hardware Interface: PCIe Gen4 x4 utilizing NVMe technology.
4. Sequential Read Performance: Blistering data transfer rates up to 7,300 MB/s.
5. Sequential Write Performance: Sustained write bandwidth up to 6,600 MB/s.
6. Random Read/Write: Up to 1,200,000 IOPS for maximum parallel computing efficiency.
7. NAND Flash & Cache: Premium 112-layer 3D TLC NAND paired with a dedicated DRAM cache chip.
8. Endurance Rating: Highly durable build rated up to 2400 TBW (Terabytes Written).
9. Product Part Number (SKU): WDS400T2X0E.