WD WUS721210BLE6L4 Ultrastar DC HA340 10TB 7.2k SATA-6Gbps 256MB 512e 3.5Inch Enterprise HDD

Western Digital Ultrastar DC HA340 10TB SATA Enterprise HDD

Enterprise-Grade Storage Designed for Long-Term Reliability

• Manufactured by Western Digital, a trusted name in data storage innovation
• Model: WUS721210BLE6L4 – part of the Ultrastar DC HA340 enterprise-grade series
• Engineered to support data-intensive environments requiring dependable performance
• Internal 3.5-inch form factor fits seamlessly into most server and data center racks
• Built to withstand high workloads with 2 million hours MTBF rating

Key Specifications at a Glance

• Storage capacity of 10TB ensures plenty of room for mission-critical data
• Equipped with SATA 6Gbps interface for smooth integration and high compatibility
• Ideal for IT infrastructure requiring large-capacity storage with low failure rates
• Buffer memory of 256MB supports improved caching and faster access times

Performance Metrics Tailored for Demanding Applications

• SATA 6Gb/s interface delivers consistent, high-speed data transfers
• Sustained data throughput up to 267MB/s boosts operational efficiency
• 7200 RPM spindle speed delivers a balance of speed and stability
• Average latency of 4.16 milliseconds ensures timely access to stored information

Ideal Applications & Industry Use Cases

• Suited for enterprise-grade storage arrays and backup systems
• Reliable choice for data centers handling moderate-to-heavy workloads
• Compatible with private cloud environments and archival storage solutions
• Useful for storage-intensive environments requiring high-capacity yet cost-effective drives

Form Factor & Compatibility Highlights

• Standard 3.5-inch design allows easy integration with common enterprise systems
• Internal mounting design makes it ideal for servers, NAS, and rack-mounted arrays
• Optimized for consistent operation across 24/7 usage environments

Product Identity Summary

• Brand: Western Digital
• Product Series: Ultrastar DC HA340
• Model Number: WUS721210BLE6L4
• Drive Type: Enterprise-class 10TB Internal SATA HDD
• Part of the Ultrastar family known for reliability and endurance

Western Digital WUS721210BLE6L4 10TB HDD

The Western Digital WUS721210BLE6L4 Ultrastar DC HA340 10TB hard drive is a robust enterprise-grade SATA HDD designed for critical data environments, offering high-capacity, high-reliability, and efficient performance for storage servers, NAS appliances, and data center infrastructure. With a 7,200 RPM spindle speed, 256MB cache buffer, SATA 6Gbps interface, and advanced 512e formatting, this 3.5-inch drive strikes a powerful balance between affordability and reliability, making it ideal for mid-tier and high-density storage applications. Purpose-built for 24/7 operation and engineered to meet stringent enterprise standards, the DC HA340 delivers consistent performance in diverse workloads ranging from cloud backup to big data retention.

Enterprise-Ready 10TB Storage Capacity

With 10 terabytes of formatted capacity, the Ultrastar DC HA340 series provides the storage scalability required by organizations handling growing data volumes. Whether used in enterprise NAS systems, server-based backup targets, or archival storage, the WUS721210BLE6L4 delivers efficient data consolidation without compromising reliability. This drive offers the ideal capacity point for environments that require a balance of performance and affordability in a single-spindle design.

High-Capacity Use Case Examples

• Data protection and archival storage systems
• Enterprise NAS and SAN environments
• Media content repositories and video surveillance archives
• Cloud storage gateways and hybrid backup appliances
• Big data retention and cold storage tiers

SATA 6Gb/s Interface for Broad Compatibility

The SATA 6Gbps interface ensures seamless integration with standard server and desktop architectures, providing broad hardware compatibility and simplifying deployment. The WUS721210BLE6L4’s SATA interface delivers dependable throughput up to 6Gb/s and supports native command queuing, improving efficiency and responsiveness in multi-threaded environments. This makes it ideal for cost-sensitive deployments requiring proven storage performance and simple scalability.

Benefits of SATA-Based Enterprise Drives

• Lower cost-per-GB than SAS alternatives
• Wide compatibility with commodity servers and storage arrays
• Reliable data transfer rates up to 6Gb/s
• Support for standard SATA hot-swap backplanes
• Scalable architecture for multi-drive deployments

7,200 RPM Performance Optimized for Enterprise Workloads

A spindle speed of 7,200 RPM ensures that the HA340 series maintains enterprise-class performance for both sequential and random I/O patterns. Designed to support high-volume transaction processing, backup operations, and content streaming, the WUS721210BLE6L4 delivers the sustained throughput and access times required for uninterrupted 24/7 service.

Performance and Throughput Highlights

• Sustained data transfer rates up to 255MB/s
• Optimized for transactional and read-intensive workloads
• Balanced rotational speed for power and speed efficiency
• Built to handle simultaneous data streams and application loads
• Adaptive cache algorithms to improve real-time response

256MB Cache Buffer for Improved Data Handling

Equipped with a 256MB cache buffer, the Ultrastar DC HA340 drive accelerates data processing during peak workloads. The large buffer enhances read/write performance during burst operations and supports intelligent pre-fetch and caching routines. This feature is critical in multi-user or virtualized environments where I/O requests are frequent and concurrent.

Cache Features and Benefits

• Reduces latency during data bursts
• Improves performance during cacheable workloads
• Supports advanced buffer management techniques
• Optimized for sustained high-throughput environments
• Enhances virtual machine and cloud storage responsiveness

512e Advanced Format Sector for Enhanced Compatibility

The drive’s 512e (512-byte emulation) advanced format strikes the perfect balance between legacy compatibility and modern storage efficiency. It allows the HA340 to support legacy software stacks and operating systems while offering enhanced error correction and efficient block management, critical for reliability in enterprise-grade workloads.

512e Sector Format Key Attributes

• Supports 512-byte emulation for legacy systems
• Improved error correction capabilities with larger sectors
• Optimized for modern RAID controllers and virtualization platforms
• Improves write efficiency and media utilization
• Enables smoother transition from legacy 512n systems

Proven Reliability and Enterprise-Class Durability

The Western Digital Ultrastar DC HA340 WUS721210BLE6L4 delivers enterprise-class durability with a 2.5 million hour MTBF and a workload rating of up to 550TB/year. These features make it dependable for always-on, high-duty cycle storage environments where uptime and data integrity are paramount.

Durability Metrics and Design Standards

• MTBF: 2.5 million hours
• Rated workload: 550 terabytes per year
• 24/7 enterprise-grade operation
• Enhanced shock and vibration resistance
• Robust firmware-level error detection and correction

Energy Efficiency and Power Optimization

The Ultrastar DC HA340 10TB drive is engineered for energy-conscious deployments, offering an efficient balance of power consumption and performance. It consumes less energy per TB of storage, reducing operational costs and environmental impact. With an idle power draw of approximately 5.7 watts, it supports greener IT infrastructure without sacrificing reliability.

Power Consumption Characteristics

• Idle power: approximately 5.7W
• Active power: efficient draw under full load
• Lower cooling requirements per TB of data stored
• Supports sustainable data center practices
• Compliance with RoHS and halogen-free directives

Optimized for Scalability and High-Density Deployments

Whether deployed in rackmount arrays, tower servers, or multi-bay NAS appliances, the HA340 10TB drive is built to scale. It supports high-density enclosures and is validated for compatibility with industry-leading OEM platforms and storage vendors. Its integration flexibility enables IT teams to expand storage cost-effectively while maintaining enterprise reliability standards.

Scalable Application Areas

• NAS and SAN storage clusters
• High-capacity JBOD enclosures
• Data center backup storage
• Video archival systems
• Hybrid cloud and edge storage appliances

Security and Data Integrity Features

While the WUS721210BLE6L4 focuses on base-level enterprise performance, it also includes integrity and diagnostic features to enhance data safety. The drive’s support for extended error correction, real-time diagnostics, and firmware-level recovery mechanisms ensures resilient performance under heavy workloads.

Data Integrity and Error Management Tools

• Advanced ECC algorithms for data correction
• S.M.A.R.T. diagnostics for monitoring drive health
• Idle read scanning to identify potential failures
• Enhanced vibration and thermal compensation technologies
• Supports secure data sanitization procedures

Standardized 3.5-Inch Form Factor for Broad Compatibility

The Western Digital Ultrastar DC HA340 adheres to the standardized 3.5-inch form factor, making it compatible with virtually all enterprise storage chassis, enclosures, and backplanes. This form factor supports plug-and-play integration and simplifies migration from legacy systems to newer platforms.