881781-H21 HPE 12TB 7.2K RPM DS SAS 12GBPS LP Internal Hard Drive

HPE 12TB 7.2K RPM DS SAS 12GBPS HDD

The HPE 881781-H21 Internal Hard Disk Drive offers reliable storage with advanced features designed for enterprise environments. With a massive 12TB capacity and SAS 12Gbps interface, it ensures high-speed data transfer and dependable performance.

General Details

• Manufacturer: HPE
• Part Number: 881781-H21
• Device Type: Internal Hard Disk Drive

Technical Information

Storage Capacity & Interface

• Capacity: 12TB
• Interface: SAS 12Gbps
• Bytes per Sector: 512
• Format Type: 512e
• Drive Technology: Helium-filled

Performance Metrics

Transfer & Speed

• External Transfer Rate: 12 Gb/sec
• Rotation Speed: 7200 RPM
• Max Sequential Throughput: 235 MiB/s

Input/Output Operations

• 128Kib Random Read (IOPs): 105
• 128Kib Random 70% Read / 30% Write (IOPs): 115
• 128Kib Random 50% Read / 50% Write (IOPs): 125

Seek Times

• Average Seek Time: 8 ms
• Maximum Seek Time: 16 ms
• Track-to-Track Seek Time: 0.23 ms

Connectivity & Expansion

• Compatible Bay: 3.5-inch LFF
• Interface: 1 x SAS 12Gb/s

Power Efficiency

• Idle Power: 5.50W
• Random Read/Write: 6.10W
• Sequential Read: 7.00W
• Sequential Write: 6.80W

Environmental Parameters

• Operating Temperature Range: 50°F (10°C) to 95°F (35°C)

Physical Dimensions

• Height: 1.00 inch (2.61 cm)
• Width: 4.40 inch (10.55 cm)
• Depth: 7.40 inch (15.66 cm)

Compatible Server Platforms

HPE ProLiant Gen10 Series

DL Series

• DL20 (Gen10)
• DL160 (Gen10)
• DL325 (Gen10)

ML Series

• ML110 (Gen10)
• ML350 (Gen10)

HPE Apollo Gen10 Series

• 4500, 4510, 4520, 4530
• K6000, D6500, R2200, R2600, R2800

HPE ProLiant Gen10 Plus Series

DL Series

• DL20 (Gen10+)
• DL325 (Gen10+)
• DL345 (Gen10+)
• DL360 (Gen10+)
• DL365 (Gen10+)
• DL380 (Gen10+)
• DL385 (Gen10+)

HPE ProLiant Gen11 Series

DL Series

• DL110, DL320, DL325, DL345, DL360, DL365
• DL380, DL380a, DL385, DL560

ML Series

• ML110 (Gen11)
• ML350 (Gen11)

HPE ProLiant Gen12 Series

DL Series

• DL320 (Gen12)
• DL3 Series

881781-H21 12TB 7.2K RPM SAS 12GBPS LP HDD Overview

The HPE 881781-H21 Internal Hard Disk Drive represents a powerful and reliable storage solution designed specifically for enterprise environments where performance, durability, and scalability are critical. With a massive 12TB capacity, 7.2K RPM rotational speed, and 12Gbps SAS interface, this drive is engineered to handle demanding workloads such as data centers, virtualization platforms, cloud storage systems, and large-scale enterprise applications. It delivers a balance of capacity and performance that is essential for businesses dealing with ever-growing volumes of structured and unstructured data.

Understanding the Role of Enterprise Hard Drives

Enterprise hard drives differ significantly from consumer-grade storage devices in terms of reliability, endurance, and performance optimization. The HPE 881781-H21 is purpose-built to operate continuously in mission-critical environments where uptime and data integrity are paramount. Unlike standard desktop drives, enterprise drives are designed for 24/7 operation, with enhanced vibration tolerance, better thermal management, and advanced firmware features that optimize performance in RAID arrays and multi-drive systems.

High-Capacity Storage for Expanding Data Needs

As organizations continue to generate vast amounts of data, the demand for high-capacity storage solutions has never been greater. The 12TB capacity offered by the HPE 881781-H21 provides ample space for large datasets, backups, archival storage, and high-volume transactional data. This capacity enables businesses to consolidate storage infrastructure, reducing the need for multiple smaller drives while improving efficiency and simplifying management.

Key Optimization with 7.2K RPM and SAS 12Gbps Interface

Balanced Speed and Efficiency

The 7.2K RPM rotational speed of this drive offers a balanced approach to performance and power efficiency. While higher RPM drives may deliver faster access times, the 7.2K RPM configuration provides sufficient speed for most enterprise applications while consuming less power and generating less heat. This makes it an ideal choice for environments where energy efficiency and thermal control are important considerations.

Advanced SAS 12Gbps Connectivity

The Serial Attached SCSI (SAS) 12Gbps interface is a key feature that sets this drive apart from SATA alternatives. SAS technology provides faster data transfer rates, improved reliability, and better scalability. With a 12Gbps bandwidth, the HPE 881781-H21 ensures high-speed data access and reduced latency, making it suitable for applications that require consistent and predictable performance. Additionally, SAS drives support full-duplex communication, allowing simultaneous read and write operations for improved efficiency.

Enhanced Data Throughput

The high-speed interface ensures that large volumes of data can be transferred quickly between the storage system and servers. This is particularly beneficial for data-intensive applications such as database management systems, analytics platforms, and enterprise resource planning solutions. The increased throughput reduces bottlenecks and enhances overall system responsiveness.

Improved Reliability and Error Handling

SAS drives are known for their superior error detection and correction capabilities. The HPE 881781-H21 incorporates advanced error handling mechanisms that help maintain data integrity and prevent data loss. These features are essential in enterprise environments where even minor data corruption can have significant consequences.

Designed for Data Center and Enterprise Environments

Compatibility with HPE Servers and Storage Systems

This hard drive is specifically engineered to integrate seamlessly with HPE ProLiant servers and storage arrays. It is tested and validated to ensure optimal compatibility and performance within HPE ecosystems. This level of integration simplifies deployment and reduces the risk of compatibility issues, making it a reliable choice for IT administrators managing complex infrastructures.

Hot-Plug Capability for Maximum Uptime

The HPE 881781-H21 supports hot-plug functionality, allowing drives to be added or replaced without shutting down the system. This feature is crucial for maintaining continuous operations in enterprise environments where downtime can lead to significant financial losses and operational disruptions. Hot-plug capability enhances flexibility and simplifies maintenance procedures.

Low Profile Design for Space Efficiency

The low profile (LP) form factor ensures that the drive can fit into dense server configurations without compromising airflow or cooling efficiency. Data centers often require high-density storage solutions, and the compact design of this drive supports efficient use of rack space while maintaining optimal thermal performance.

Durability and Reliability for Continuous Operation

Built for 24/7 Workloads

Enterprise environments demand storage solutions that can operate continuously without failure. The HPE 881781-H21 is designed to withstand constant use, with robust components and advanced engineering that ensure long-term reliability. Its construction is optimized to handle high workloads, making it suitable for applications such as data warehousing, backup systems, and cloud infrastructure.

Vibration and Shock Resistance

In multi-drive environments, vibration can significantly impact performance and reliability. This drive incorporates vibration-resistant technology that minimizes the effects of external and internal vibrations, ensuring stable operation even in densely populated storage arrays. Shock resistance further enhances durability, protecting the drive from physical impacts during installation and operation.

Advanced Firmware for Stability

The firmware of the HPE 881781-H21 is optimized for enterprise use, providing features such as error recovery control and workload optimization. These enhancements contribute to consistent performance and reduce the likelihood of unexpected failures, ensuring that critical data remains accessible at all times.

Virtualization and Database Environments

Virtualized environments and database systems require consistent performance and high reliability. The SAS interface and optimized firmware of the HPE 881781-H21 provide the performance needed to support multiple virtual machines and database operations simultaneously. This ensures smooth operation and improved productivity in enterprise settings.

Reliable Data Access and Consistency

The drive is engineered to provide consistent data access, even under heavy workloads. Its advanced error correction and detection mechanisms ensure that data remains accurate and reliable, supporting critical business operations.