SanDisk Ultrastar DC SS540 SAS 15.36TB

The SanDisk Ultrastar DC SS540 is a dual-port 12Gb/s SAS enterprise solid-state drive engineered for high-availability storage environments that demand continuous, uninterrupted access to data. Built on a 2.5-inch U.2 form factor, this 15.36TB capacity drive delivers the redundant connectivity required by mission-critical storage arrays, allowing hosts to maintain a live path to the device even during controller failover or maintenance events. The SAS interface provides inherent command queuing, robust error correction, and end-to-end data protection features that align with the reliability expectations of enterprise-class deployments.

The DC SS540 is positioned within Western Digital's read-intensive product tier, making it well-suited for workloads where read operations dominate the I/O profile. Its high areal density and large raw capacity enable storage architects to consolidate large datasets onto fewer drive slots, reducing rack space, power draw, and cooling overhead compared to equivalent HDD-based configurations. The drive supports T10 Protection Information (T10 PI) for end-to-end data integrity validation across the entire I/O path from host to media.

Targeted at hyperscale data centers, cloud service providers, and enterprise storage, the Ultrastar DC SS540 integrates into dual-port SAS backplanes found in mainstream storage arrays from major vendors. Its launch in Q3 2024 reflects continued demand for high-capacity SAS SSDs in environments where the mature, deterministic characteristics of the SAS protocol—combined with dual-port redundancy—remain preferred over NVMe alternatives for specific tiered storage and archival-access use cases.

Ideal for

• High-availability enterprise storage arrays requiring dual-port SAS redundancy for non-disruptive controller failover
• Read-intensive data warehousing and analytics repositories where large sequential and random read throughput is prioritized
• Cloud and hyperscale object storage tiers consolidating large cold or warm datasets into high-density 2.5-inch drive slots
• Content delivery and media streaming back-end storage platforms serving high-throughput read workloads at scale
• Enterprise backup-to-disk target appliances and secondary storage tiers demanding high capacity with consistent read performance
• Tiered storage deployments within SAN environments where SAS interoperability with existing dual-port backplane infrastructure is required

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.