WD Blue SN5000 WDS400T4B0E 4TB NVMe SSD — M.2 2280, PCIe Gen4 x4 Interface, Sequential Read up to 5,500 MB/s, Sequential Write up to 4,880 MB/s, 690K IOPS Random Read, 900K IOPS Random Write, 1200 TBW Endurance, Western Digital 3D NAND

General Information

The WD Blue SN5000 4TB NVMe SSD is a high-capacity, high-performance SSD designed for creative professionals, content creators, and power users who demand fast storage for 4K/8K video editing, 3D rendering, AI workloads, and large-scale multitasking. It features PCIe Gen4 x4 interface, nCache 4.0 technology, and 1200 TBW endurance, making it ideal for intense, sustained workloads.

With ultra-fast sequential speeds, excellent random IOPS, and advanced thermal management, this drive delivers reliable performance under heavy loads while ensuring long-term durability.

Performance & Speed

• Interface: PCIe Gen4 x4 – up to 5,500 MB/s read and 4,880–5,000 MB/s write
• Sequential Read Speed: Up to 5,500 MB/s
• Sequential Write Speed: Up to 5,000 MB/s
• Random Read IOPS: Up to 690,000
• Random Write IOPS: Up to 900,000
• NAND Type: Western Digital 3D NAND QLC with TLC-type caching (nCache 4.0) – combines high density with fast SLC cache for burst performance
• nCache 4.0 Technology:
  • Intelligent caching engine that boosts performance during sustained workloads
  • Optimizes data access patterns for smooth multitasking, AI-enabled workflows, and real-time editing

Endurance & Reliability

• TBW (Terabytes Written): 1200 TBW – extremely high endurance for professional use
• MTBF (Mean Time Between Failures): 1.75 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
• Thermal Management:
  • Built-in thermal pad for efficient heat dissipation
  • Ideal for compact builds and small form factor systems
• Compatibility:
  • Supports Intel LGA1851, AMD AM5/AM4, and modern motherboards with PCIe Gen4 x4 M.2 slot

Software & Features

• WD Dashboard Software:
  • Monitors drive health, temperature, wear level, and performance
  • Provides real-time alerts and firmware updates
• Free Acronis True Image Software:
  • Enables easy data migration, backup, and system cloning
  • Includes cloud backup and disaster recovery tools
• Support for AI Workflows:
  • Optimized for AI training, machine learning, and real-time rendering
  • nCache 4.0 enhances responsiveness in multi-threaded environments