Western Digital WUS5EA138ESP7E1 Ultrastar DC SN655 3.84TB PCI-E SSD.

Overview of the Western Digital WUS5EA138ESP7E1 Ultrastar DC SN655 3.84TB SSD

The Western Digital WUS5EA138ESP7E1 Ultrastar DC SN655 is a high-performance solid-state drive (SSD) designed to meet the rigorous demands of modern enterprise environments. With a capacity of 3.84TB and support for PCI Express Gen4 and NVMe 1.4b, this SSD delivers exceptional speed, reliability, and efficiency. Featuring a U.3 interface and a compact 15mm form factor, this drive is perfect for data centers, virtualization, and other high-demand applications.

Features and Specifications

High-Speed Performance

The Ultrastar DC SN655 leverages the power of PCIe Gen4 to deliver up to 7,000 MB/s read and 5,500 MB/s write speeds, significantly improving data transfer rates compared to older generations. With NVMe 1.4b support, this drive ensures low latency and optimized storage performance for intensive workloads.

Generous 3.84TB Storage Capacity

With a storage capacity of 3.84TB, the Ultrastar DC SN655 provides ample space for large datasets, multimedia files, and database applications. This capacity is ideal for enterprises needing reliable storage solutions for high-volume operations.

U.3 Interface and 15mm Form Factor

The U.3 interface offers backward compatibility with U.2 devices, simplifying integration into existing infrastructures. Its 15mm form factor ensures a compact design that fits seamlessly into dense server environments, maximizing rack efficiency.

Advanced Power Efficiency

Built with energy efficiency in mind, the Ultrastar DC SN655 reduces power consumption without sacrificing performance. This not only lowers operating costs but also helps organizations achieve sustainability goals.

Enterprise-Grade Durability

Designed for data center reliability, this SSD boasts a robust architecture and advanced error correction features. Its endurance rating ensures long-term performance in write-intensive applications.

Applications and Use Cases

Data Center Operations

The Ultrastar DC SN655 excels in data center environments, providing the speed and capacity required for modern workloads. It supports virtualization, high-speed data analysis, and cloud storage applications, making it a versatile choice for IT professionals.

Virtualization

This SSD is well-suited for virtualization platforms like VMware and Hyper-V, ensuring fast VM deployment and efficient storage pooling. Its low latency and high IOPS make it a reliable solution for virtualized infrastructure.

Database Management

With its high performance and capacity, the Ultrastar DC SN655 supports transaction-heavy databases such as MySQL, Oracle, and Microsoft SQL Server. Its ability to handle high random read/write operations ensures consistent database performance.

Media and Content Delivery

Ideal for media streaming and content delivery networks (CDNs), this SSD ensures seamless data transfer, reducing latency for end-users. The large capacity and high-speed performance support high-resolution video streaming and quick access to multimedia files.

Technical Specifications

Key Performance Metrics

• Interface: PCIe Gen4 x4
• Protocol: NVMe 1.4b
• Capacity: 3.84TB
• Sequential Read Speed: Up to 7,000 MB/s
• Sequential Write Speed: Up to 5,500 MB/s
• Endurance: High durability for enterprise workloads

Form Factor and Compatibility

The Ultrastar DC SN655 features a U.3 15mm form factor, compatible with modern servers and storage systems. Its backward compatibility with U.2 ensures seamless integration into existing systems.

Power and Thermal Management

• Power Consumption: Optimized for energy efficiency
• Thermal Throttling: Advanced thermal management to prevent overheating
• Operating Temperature: Designed for extended operation in varying conditions

Comparison with Other Drives

PCIe Gen4 vs. PCIe Gen3 SSDs

The Ultrastar DC SN655 outperforms PCIe Gen3 SSDs in terms of speed and latency. With Gen4 technology, it offers double the data transfer rates, making it ideal for future-proofing enterprise storage systems.

NVMe Drives vs. SATA Drives

Compared to traditional SATA SSDs, the Ultrastar DC SN655 offers superior speed, efficiency, and scalability. NVMe technology ensures better utilization of CPU resources and faster access to stored data.

Competitor Analysis

When compared to similar drives from competitors, the Ultrastar DC SN655 stands out with its unique combination of speed, capacity, and power efficiency. Its compatibility with U.3 and robust enterprise-grade features make it a top choice for IT professionals.

Benefits of Choosing the Ultrastar DC SN655

Future-Ready Performance

By incorporating PCIe Gen4 and NVMe 1.4b technologies, this SSD ensures long-term relevance in rapidly evolving IT environments. Its high-speed performance accommodates the increasing demands of modern applications.

Cost-Efficiency

The Ultrastar DC SN655 balances performance and cost-effectiveness, providing a strong return on investment for enterprises. Its energy efficiency further reduces operational expenses.

Ease of Integration

Thanks to its U.3 compatibility and 15mm form factor, the drive integrates seamlessly with existing infrastructures. This reduces deployment complexity and minimizes downtime during upgrades.

Scalability for Growing Needs

The 3.84TB capacity supports scalable operations, accommodating growing data requirements without frequent hardware replacements. This makes it a reliable choice for businesses planning long-term expansions.

Maintenance and Longevity

Optimized Firmware Updates

Regular firmware updates from Western Digital ensure that the Ultrastar DC SN655 remains optimized for performance and security. These updates enhance the drive's functionality over its lifecycle.

Endurance for Write-Intensive Workloads

The drive's high endurance rating allows it to handle write-heavy applications like logging, caching, and database management. Its durability ensures consistent performance even under constant use.

Secure Data Handling

Equipped with advanced encryption and data protection features, the Ultrastar DC SN655 safeguards sensitive information, making it suitable for industries with stringent data security requirements.

Reduced Downtime

With its robust architecture and high reliability, this SSD minimizes the risk of failures, ensuring consistent uptime for critical business operations. Its hot-swap capability further simplifies maintenance in enterprise environments.