SanDisk Ultrastar DC SN655 61.44TB U.3 15mm 4300MB/s PCIe Gen4 NVMe 1.4b SSD

Overview

The SanDisk 0TS2510 is an enterprise solid state drive designed to deliver high-capacity NVMe storage for demanding data center environments. With 61.44TB of storage housed in a 15 mm U.3 form factor, it offers a practical solution for expanding capacity without increasing server count. Leveraging PCIe Gen4 and NVMe 1.4b standards, this drive achieves sequential read speeds up to 4300 MB/s and write speeds up to 3150 MB/s, making it well suited for workloads that require fast and consistent data access.

Key features

• Dual port connectivity provides redundancy and transparent failover to maintain uptime in critical applications.
• Power-loss protection safeguards data integrity by preserving in-flight transactions during unexpected outages.
• Instant Secure Erase enables quick and secure data sanitization for redeployment or retirement of the drive.
• Compatibility with both U.2 and U.3 backplanes allows seamless integration into existing infrastructure.
• Endurance rating of one drive write per day supports sustained heavy workloads typical in enterprise environments.
• Projected mean time between failures (MTBF) of 2.5 million hours ensures long-term reliability and reduced maintenance.

Key specs

• Capacity: 61.44 TB
• Form factor: 15 mm U.3
• Interface: PCIe Gen4
• Protocol: NVMe 1.4b
• Sequential read speed: up to 4300 MB/s
• Sequential write speed: up to 3150 MB/s
• Random read IOPS: up to 890,000
• Random write IOPS: up to 29,000
• Endurance: 1 drive write per day
• MTBF: 2.5 million hours

Connectivity and compatibility

This drive supports both U.2 and U.3 backplanes, making it a flexible choice for data centers upgrading existing storage arrays or deploying new systems. The dual port design enhances availability by allowing two independent host connections, which is essential for enterprise-grade failover and load balancing.

Performance and reliability

With high sequential and random performance, the drive handles read-heavy workloads such as analytics pipelines and content delivery networks efficiently. Its power-loss protection and robust endurance rating ensure data integrity and consistent operation under continuous use. The long MTBF rating reflects the drive’s suitability for mission-critical applications where downtime is costly.

Ideal uses and environments

The SanDisk 0TS2510 fits well in cloud platforms, AI and machine learning clusters, large relational databases, and virtualized environments that demand both large capacity and fast, reliable storage. Its combination of throughput, capacity, and enterprise features makes it a strong choice for organizations looking to optimize storage density without compromising performance or reliability.