WUS5EC1C1ESP7Y3 WD Ultrastar DC SN655 61.44TB PCIe Gen4 NVMe 1.4b U.3 15mm ISE SSD

Western Digital WUS5EC1C1ESP7Y3 61.44TB SSD 

The Western Digital Ultrastar DC SN655 WUS5EC1C1ESP7Y3 is a high-capacity, enterprise-grade solid-state drive designed for modern data centers. Leveraging PCIe Gen4 and NVMe 1.4b technologies, this 61.44TB U.3 15mm ISE SSD delivers exceptional performance, durability, and energy efficiency, making it ideal for demanding workloads.

General Specifications

• Manufacturer: Western Digital Corporation
• Model Number: WUS5EC1C1ESP7Y3
• Series: Ultrastar DC SN655
• Device Type: Solid State Drive (SSD)
• Form Factor: U.3 15mm
• Interface: PCIe Gen4, NVMe 1.4b
• Storage Capacity: 61.44TB
• Endurance: 1 DW/D

High-Performance Storage Capabilities

Engineered for enterprise workloads, the Ultrastar DC SN655 delivers superior speed and responsiveness. Key performance metrics include:

• Sequential Read Speed: Up to 4300 MB/s
• Sequential Write Speed: Up to 3150 MB/s
• Random Read IOPS: 890,000
• Random Write IOPS: 29,000
• Read Latency: 115 µs
• Write Latency: 40 µs

Optimized for Enterprise Workloads

The drive is built to support high-intensity applications such as database management, virtualized environments, and large-scale storage operations. With advanced NVMe 1.4b technology, it ensures consistent performance even under heavy load.

Power Efficiency and Energy Management

The Ultrastar DC SN655 is designed to minimize energy consumption while maintaining peak performance. Features include:

• Typical power requirement: +12V
• Operational power consumption: 16W to 20W
• Idle power consumption: Less than 8W

Benefits of Low Power Usage

Efficient energy management reduces operating costs and contributes to greener data center operations without compromising performance.

Robust Environmental Endurance

This SSD is engineered to thrive in a variety of environmental conditions, offering high reliability and durability for enterprise storage deployments.

• Operating Temperature: 0°C to 70°C
• Non-operating Temperature: -40°C to 85°C

Enterprise-Grade Durability

The Ultrastar DC SN655 features a rugged design that withstands the thermal and mechanical stresses typical of data center environments. It ensures data integrity and reduces the risk of downtime.

Key Advantages

• Exceptional sequential and random read/write performance
• High storage capacity of 61.44TB for large datasets
• Energy-efficient operation to lower total cost of ownership
• Rugged thermal and environmental design for enterprise reliability
• Advanced NVMe 1.4b interface for optimized data transfer speeds

Applications

The WUS5EC1C1ESP7Y3 is ideal for use cases requiring high-speed storage, including:

• Cloud computing and virtualization
• AI and machine learning data storage
• High-performance databases
• Big data analytics and real-time processing
• Enterprise storage arrays

Western Digital WUS5EC1C1ESP7Y3 Ultrastar DC 

The Western Digital WUS5EC1C1ESP7Y3 Ultrastar DC SN655 61.44TB is a high-performance PCIe Gen4 NVMe 1.4b U.3 15mm ISE solid state drive designed for enterprise data centers and cloud storage applications. It provides exceptional endurance, high reliability, and scalable performance, making it an ideal solution for modern storage infrastructures. This solid state drive belongs to the Ultrastar DC SN655 series, renowned for its low latency, efficient power consumption, and exceptional durability under heavy workloads.

High-Capacity Enterprise Storage Solution

Massive Storage for Data-Intensive Applications

The 61.44TB capacity of this SSD is optimized for large-scale enterprise storage solutions. Designed to handle extensive datasets, it is suitable for applications that require high-speed data retrieval and storage, including artificial intelligence, machine learning, real-time analytics, and large database management. Its high density storage capability reduces the physical footprint while delivering substantial storage scalability for enterprise-grade deployments.

Enhanced Endurance and Reliability

The Ultrastar DC SN655 series is engineered with industry-leading endurance, ensuring consistent performance under sustained workloads. This drive leverages advanced error correction algorithms, power loss protection, and end-to-end data path protection, safeguarding data integrity. The 61.44TB variant is especially suited for write-intensive workloads in environments such as financial services, telecommunications, and hyperscale cloud providers.

Advanced Wear-Leveling Technology

Western Digital has integrated intelligent wear-leveling technology into the SN655 series, which evenly distributes write and erase cycles across NAND cells. This enhances the drive’s lifespan and ensures consistent high-speed performance over time. Enterprises benefit from reduced maintenance needs and lower total cost of ownership due to prolonged drive life.

Performance and Speed Optimization

PCIe Gen4 NVMe Interface

Utilizing the PCIe Gen4 interface, the WUS5EC1C1ESP7Y3 delivers a significant boost in throughput compared to previous generations. This SSD achieves high sequential read and write speeds, supporting data-intensive applications with minimal latency. The NVMe 1.4b protocol enhances parallelism and queue depth, providing a faster data path between storage and the CPU, ensuring maximum efficiency for enterprise workloads.

Low Latency for Real-Time Data Access

The drive’s low-latency architecture ensures rapid access to frequently used data, which is critical for environments where milliseconds can impact business outcomes. By reducing access times, the SN655 accelerates transaction processing, analytical computations, and virtualized workloads, ensuring optimal operational performance.

Optimized for Mixed Workloads

Whether dealing with sequential or random read/write patterns, this drive adapts to mixed workloads efficiently. It is designed to handle both read-intensive and write-intensive operations simultaneously without performance degradation, making it a versatile choice for cloud computing, virtualization, and high-performance computing environments.

Enterprise-Grade Data Protection

Power Loss Protection

The Ultrastar DC SN655 incorporates comprehensive power loss protection mechanisms that prevent data corruption in the event of unexpected power failures. This feature ensures that in-flight data is safely written to NAND memory, preserving data integrity and avoiding costly data loss scenarios in mission-critical applications.

End-to-End Data Path Protection

To further safeguard against errors, the drive includes end-to-end data path protection, covering every stage of data transfer from the host system to the NAND memory. Combined with cyclic redundancy checks (CRC), this mechanism provides continuous monitoring and correction of data, ensuring accurate storage operations across all enterprise workloads.

Enhanced Security Capabilities

The SN655 series offers advanced security features including self-encrypting drive options and secure erase capabilities. These security protocols ensure compliance with industry standards, protect sensitive information, and enable secure decommissioning of drives, making them suitable for highly regulated sectors such as healthcare, finance, and government.

Energy Efficiency and Thermal Management

Advanced Thermal Control

The 15mm U.3 form factor supports advanced thermal management features, including thermal throttling and monitoring sensors, ensuring the drive operates within safe temperature ranges. Efficient heat dissipation mechanisms protect the SSD from overheating, maintain consistent performance, and extend the device’s operational lifespan.

ISE Technology for Performance Consistency

Integrated Self-Encryption (ISE) technology ensures that encryption does not compromise performance. The drive maintains high throughput and low latency even when encryption processes are active, providing secure and efficient storage solutions for enterprise environments.

Compatibility and Integration

U.3 Form Factor Advantages

The U.3 15mm form factor allows for flexible deployment in enterprise storage arrays and servers. Its standardized interface ensures compatibility with a wide range of storage systems, enabling easy upgrades and replacements. The U.3 design also supports dual-port configurations for enhanced availability and redundancy.

Seamless Data Center Integration

Designed for modern data center architectures, the Ultrastar DC SN655 integrates smoothly with hyper-converged infrastructure, SAN, and NAS environments. Its high reliability, large capacity, and efficient performance make it ideal for cloud service providers, enterprise IT infrastructures, and high-throughput database systems.