Western Digital WUH722222AL5204 Ultrastar DC Hc570 22TB 7.2K RPM SAS 12GBPS HDD.

Essential Specifications of the Ultrastar DC HC570 Enterprise HDD

This high-capacity data center storage solution is engineered for demanding enterprise workloads. Key identifiers include:

• Manufacturer: Western Digital
• Model Designation: WUH722222AL5204
• Product Family: Ultrastar
• Total Capacity: 22 Terabytes
• Form Factor: Internal 3.5-inch

Optimal Deployment Scenarios and Use Cases

The drive is architected for performance and reliability in intensive, large-scale computing environments.

Large-Scale Cloud Infrastructure

• Hyperscale computing and storage platforms
• High-density data center server racks
• Massive scale-out (MSO) storage architectures

Advanced Data Management Systems

• Object-based storage solutions including Ceph™ and OpenStack® Swift
• Primary and secondary storage nodes for Apache Hadoop® frameworks
• Big data analytics computation and storage clusters

Core Attributes and Technological Advantages

This unit integrates advanced features to ensure maximum uptime and data integrity.

• Host Interface: 12 Gb/s Serial-Attached SCSI (SAS)
• Mean Time Between Failures (MTBF): 2.5 million hours
• Advanced Format: 512e sector emulation
• Innovative Technology: OptiNAND caching for enhanced performance

Operational Performance Metrics

The drive delivers robust throughput and low latency for enterprise applications.

• Sustained Data Transfer Speed: Up to 291 MB/s
• Maximum Interface Speed: 1200 MB/s (12Gb/s)
• Rotational Speed: 7200 RPM
• Onboard DRAM Cache: 512 Megabytes

Random Access and Latency Figures

• Random Read (4KB, QD=1): 210 Input/Output Operations Per Second (IOPS)
• Random Write (4KB, QD=1): 565 IOPS
• Mixed Read/Write (4KB, 50/50): 214 IOPS
• Average Latency: 4.16 milliseconds

Physical Dimensions and Construction

The hardware is built to standard form factors for seamless integration into existing server infrastructure.

• Product Weight: 670 grams
• Physical Dimensions (Width x Depth): 101.6 x 147 millimeters
• Z-Height (Profile): 26.1 mm (LFF)

Western Digital WUH722222AL5204 Ultrastar DC HC570 22TB: Enterprise-Grade Storage Solution

The Western Digital WUH722222AL5204 Ultrastar DC HC570 22TB hard disk drive (HDD) represents a pinnacle in enterprise-grade data storage solutions. Designed for modern data centers, this drive offers high-capacity storage combined with advanced technology to meet the demanding requirements of cloud storage, big data analytics, and hyperscale deployments.

Exceptional Storage Capacity for Modern Data Centers

With a massive 22TB capacity, the Ultrastar DC HC570 enables organizations to consolidate vast amounts of data within a minimal physical footprint. Its 3.5-inch form factor ensures compatibility with standard server racks while optimizing rack space utilization. Ideal for large-scale environments, this HDD reduces the need for multiple drives, thereby lowering overall system complexity and operational costs.

High-Performance SAS Interface

The drive utilizes a 12Gb/s SAS interface, offering high-speed data transfer rates suitable for enterprise workloads. This high-throughput connectivity ensures low latency and rapid access to critical information, making it ideal for transactional databases, virtualization environments, and large-scale content repositories.

Optimized for Write-Intensive Workloads

• 7,200 RPM rotational speed enhances sequential read/write performance.
• 512MB cache buffer improves data access efficiency.
• 512e sector format ensures compatibility with legacy systems while supporting high-density storage.

OptiNAND Technology: Enhanced Reliability and Performance

The Ultrastar DC HC570 incorporates OptiNAND technology, a unique architecture that combines NAND flash with conventional magnetic storage. This design improves write performance, ensures data integrity, and accelerates recovery during unexpected power failures. OptiNAND also enhances the drive’s operational reliability, particularly for sustained workloads in enterprise environments.

Data Integrity and Error Management

Equipped with advanced error-correction algorithms, this HDD ensures data accuracy even under heavy workloads. Western Digital’s proprietary HelioSeal helium-sealing technology reduces friction, minimizes heat generation, and lowers power consumption, extending the drive’s lifespan and maintaining consistent performance across large-scale deployments.

Energy Efficiency and Operational Cost Reduction

One of the key benefits of the Ultrastar DC HC570 is its energy-efficient design. Helium-filled enclosures reduce mechanical resistance, resulting in lower power consumption and decreased cooling requirements. For data centers, this translates to substantial operational cost savings without compromising on performance or reliability.

Enhanced Drive Monitoring and Management

Western Digital provides comprehensive monitoring tools for the DC HC570 series, including predictive failure analysis, SMART monitoring, and telemetry integration. These features allow IT administrators to proactively manage storage infrastructure, optimize uptime, and prevent data loss in mission-critical environments.

Scalability and Compatibility

• Compatible with a wide range of enterprise storage systems and server environments.
• Seamlessly integrates into existing SAS or hybrid storage arrays.
• Supports high-density rack configurations, facilitating scalable storage expansion.

Enterprise Use Cases for Ultrastar DC HC570

This high-capacity SAS drive is ideal for diverse enterprise scenarios:

Cloud and Hyperscale Data Centers

Optimized for multi-petabyte cloud deployments, the 22TB capacity reduces the physical drive count while maintaining high throughput, enabling cloud providers to manage massive datasets efficiently.

Big Data and Analytics

Handling high-volume, sequential data streams, the Ultrastar DC HC570 is well-suited for big data workloads, including Hadoop clusters and real-time analytics applications, ensuring rapid access and processing of vast data volumes.

Backup and Archival Storage

Its large capacity and high reliability make it an excellent choice for enterprise backup and long-term archival solutions, reducing the complexity of storage management and minimizing the need for frequent drive replacements.

Advanced Reliability Features

The Ultrastar DC HC570 is engineered with a focus on long-term reliability:

Helium-Sealed Enclosure

Reduces friction and vibration for smoother operation, contributing to extended service life.

Rotational Vibration Safeguard

Protects data integrity in multi-drive systems by countering vibrations that can affect read/write accuracy.

Power-Loss Protection

Maintains data integrity during unexpected power outages through built-in cache protection and advanced firmware mechanisms.

Comparative Advantages Over Competitors

The Ultrastar DC HC570 stands out in the enterprise storage market due to:

• Higher capacity per drive, reducing the need for multiple disks.
• Superior reliability features like OptiNAND and HelioSeal technologies.
• Energy-efficient design lowering operational costs.
• Seamless integration with enterprise SAS environments.

Optimized for Reliability and Performance

The integration of OptiNAND technology with HelioSeal helium sealing provides an optimal balance of performance and durability. This combination ensures that the Ultrastar DC HC570 can handle sustained enterprise workloads while maintaining energy efficiency and long-term reliability.

Enhanced Drive Endurance

Engineered for continuous 24/7 operation, the drive’s endurance is validated for enterprise workloads, offering peace of mind for organizations running high-demand applications without interruption.

Vibration and Shock Resistance

Designed to operate within high-density storage arrays, the DC HC570 includes advanced mechanisms to counteract rotational vibration and shock, ensuring data integrity even in multi-drive environments.