WD Ultrastar DC SN655 3.84TB U.3 PCIe Gen4 NVMe SSD

The WD Ultrastar DC SN655 is an enterprise-class solid-state drive specifically engineered for cloud, server, and heavy-duty data center environments. Utilizing the high-bandwidth PCIe Gen4 interface and the U.3 form factor, this drive provides rapid data transfer capabilities necessary for demanding transaction workloads. The 3.84 TB capacity is built using BiCS5 3D TLC NAND, ensuring a balance of density, write endurance, and sustained performance consistency. This model is optimized for read-intensive applications such as big data analytics, AI/ML processing, and cloud scale-out architectures.

Designed for mission-critical uptime, the SN655 incorporates features crucial for large-scale deployments, including integrated dual-port redundancy for continuous access in failover scenarios. Data integrity is rigorously maintained through end-to-end data path protection and enhanced power loss protection technology. The device maintains a high level of reliability, featuring a Mean Time Between Failures (MTBF) of 2.5 million hours. Security protocols include integrated hardware encryption supporting the TCG Ruby specification, safeguarding sensitive data within the server environment.

• Storage capacity of 3840 GB
• U.3 form factor for enterprise systems
• Interface: PCIe Gen4 x4
• Sequential reading speed up to 6800 MB/s
• Sequential writing speed up to 2600 MB/s
• NAND type: BiCS5 TLC 3D NAND
• Random read IOPS: 1,000,000
• Dual-port redundancy support
• End-to-end data path protection
• Security algorithms include TCG Ruby Encryption
• Endurance rating of 1 Drive Write Per Day (DWPD)