Western Digital Ultrastar DC SN640, 3,84 TB, 2.5", 3100 MB/s

• Western Digital NVMe 1.3 compliant controller; PCIe Gen3x4
• Western Digital BiCS4 96L 3D TLC NAND
• 0.8 and 2.0 DWPD
• Full data-loss protection
• MTBF rating of 2 million hours
• Instant Secure Erase (ISE) and AES-256 encryption

The Ultrastar DC SN640 NVMe SSD is a mainstream NVMe SSD targeting broad deployment as boot, caching, or primary storage in data center IT and cloud environments.