Western Digital WD_BLACK SN7100 4TB NVMe PCIe 4.0 x4 M.2 2280 Internal Solid State Drive — High-Speed TLC 3D NAND Flash, Designed for Gamers and Creative Professionals, Sequential Read Speeds up to 7000 MB/s, Sequential Write Speeds up to 5100 MB/s

General Information

The WD_BLACK SN7100 4TB NVMe SSD is a high-performance, high-endurance SSD designed for gaming, content creation, and intensive workloads in laptops, handheld gaming devices, and compact desktops. It features PCIe Gen4 x4 interface, ultra-fast sequential speeds, and 2,400 TBW endurance, making it ideal for 4K/8K video editing, 3D rendering, AI workloads, and large game libraries.

With 7,250 MB/s read / 6,900 MB/s write, 1.35M random write IOPS, and advanced thermal management, this drive delivers blistering speed and consistent performance under heavy loads.

Performance & Speed

• Interface: PCIe Gen4 x4 – up to 7,250 MB/s read and 6,900 MB/s write
• Sequential Read Speed: Up to 7,250 MB/s
• Sequential Write Speed: Up to 6,900 MB/s
• Random Read IOPS: Up to 900,000
• Random Write IOPS: Up to 1,350,000
• NAND Type: TLC 3D NAND Flash – high-density, low-power flash memory
• Thermal Management:
  • Built-in thermal pad for efficient heat dissipation
  • Ideal for tight spaces like laptops and handhelds
• Power Efficiency:
  • Optimized for battery life in laptops and handhelds
  • Low power consumption with power loss protection

Endurance & Reliability

• TBW (Terabytes Written): 2,400 TBW – extremely high endurance for professional use
• MTBF (Mean Time Between Failures): 1.5 million hours – exceptional reliability
• Operating Temperature Range: 0°C to 85°C – suitable for high-load environments
• Power Loss Protection: Yes – safeguards data during unexpected shutdowns

Physical & Design Specs

• Dimensions: 80.15 x 22.15 x 2.38 mm (M.2 2280)
• Weight: ~8.5 g
• Compatibility:
  • Supports Intel LGA1851, AMD AM5/AM4, and modern motherboards with PCIe Gen4 x4 M.2 slot

Software & Features

• WD_BLACK Dashboard Software:
  • Monitors drive health, temperature, wear level, and performance
  • Provides real-time alerts and firmware updates
  • Includes Game Mode Optimization (Windows only) for reduced latency
• Optimized for Gaming & Content Creation:
  • Fast load times for AAA games, large datasets, and video editing
  • Reduces stutter and lag in intense workloads