881781-K21 HPE 12TB SAS 7.2K RPM 12GBPS Internal Hard Drive

HPE 12TB 7.2K RPM SAS 12GBPS HDD

The HPE 881781-K21 Internal SAS Hard Disk Drive is engineered for enterprise-level storage solutions, offering reliability, scalability, and high-speed performance for data-intensive workloads.

Brand Details

• Manufacturer: HPE
• Part Number: 881781-K21
• Device Type: Hard Disk Drive

Technical Specifications

• Capacity: 12 Terabytes
• Interface: SAS 12Gbps
• Form Factor: 3.5-inch Large Form Factor (LFF)
• Sector Size: 512 bytes
• Technology: Helium-filled design
• Format: 512e Advanced Format
• Plug Type: Hot Plug
• Carrier: Low Profile Carrier (LPC)
• Workload: Midline optimized
• Firmware: Digitally signed for security

Performance Details

Transfer & Speed

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

Input/Output Operations

• 128Kib Random Read: 105 IOPS
• 128Kib Random 70% Read / 30% Write: 115 IOPS
• 128Kib Random 50% Read / 50% Write: 125 IOPS

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: Single SAS 12Gb/s port

Power Efficiency

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

Environmental Conditions

• 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)

Compatibility

HPE ProLiant Gen10 Series

DL Series

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

ML Series

• ML110 (Gen10)
• ML350 (Gen10)

Apollo Series

• 4500, 4510, 4520, 4530 (Gen10)
• K6000, D6500, R2200, R2600, R2800 (Gen10)

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 (Gen11)
• DL380, DL380a, DL385, DL560 (Gen11)

ML Series

• ML110 (Gen11)
• ML350 (Gen11)

HPE ProLiant Gen12 Series

DL Series

• DL320, DL340, DL360, DL380 (Gen12)

ML Series

• ML350 (Gen12)

881781-K21 12TB 7.2K RPM 12GBPS Hard Disk Drive Overview

The HPE 881781-K21 Internal SAS 12TB 7.2K RPM 12Gbps Hard Disk Drive represents a cornerstone in enterprise storage infrastructure, designed to meet the rigorous demands of modern data centers, cloud environments, and mission-critical applications. As organizations continue to generate and process vast volumes of data, reliable and high-capacity storage solutions become essential. This category of enterprise SAS hard drives is engineered to deliver consistent performance, enhanced reliability, and optimized scalability, making it an indispensable component for IT professionals and system architects.

Understanding the Role of SAS Drives in Enterprise Environments

Serial Attached SCSI, commonly referred to as SAS, is a high-performance interface technology primarily used in enterprise storage systems. Unlike consumer-grade SATA drives, SAS drives are built to operate continuously under heavy workloads, offering improved data integrity, faster data transfer speeds, and advanced error correction mechanisms. The HPE 881781-K21 falls within this category, leveraging a 12Gbps interface to ensure seamless communication between storage devices and servers.

In enterprise environments where uptime and reliability are paramount, SAS drives provide dual-port connectivity, allowing redundant data paths. This feature significantly reduces the risk of downtime and ensures uninterrupted operations even in the event of hardware failures. The inclusion of this technology in the HPE 881781-K21 makes it particularly suitable for applications such as virtualization, database management, and large-scale analytics.

Massive 12TB Capacity for Expanding Data Needs

The 12TB storage capacity of this internal SAS hard drive addresses the growing need for large-scale data storage. Organizations dealing with big data, media archives, backup solutions, and enterprise resource planning systems require high-capacity drives that can efficiently store and retrieve massive datasets. With 12 terabytes of storage space, the HPE 881781-K21 enables businesses to consolidate storage infrastructure while reducing the number of physical drives required.

This level of capacity is particularly beneficial in environments where data growth is exponential. It allows for efficient storage scaling without compromising on performance or reliability. By reducing the number of drives needed, organizations can also lower power consumption and cooling requirements, contributing to overall cost efficiency in data center operations.

12Gbps SAS Interface for High-Speed Data Transfer

One of the defining features of the HPE 881781-K21 is its 12Gbps SAS interface, which provides significantly higher data transfer rates compared to older generations of storage technology. This enhanced bandwidth ensures faster data access and improved overall system performance. In enterprise environments where speed is critical, the 12Gbps interface enables efficient data movement between storage arrays and servers.

The high-speed interface also supports advanced queuing capabilities, allowing multiple commands to be processed simultaneously. This improves the efficiency of data transactions and reduces bottlenecks, particularly in high-demand environments such as cloud computing platforms and enterprise databases.

Compatibility with Enterprise Storage Systems

The HPE 881781-K21 is designed to integrate seamlessly with a wide range of HPE ProLiant servers and storage arrays. This compatibility ensures that organizations can easily incorporate the drive into their existing infrastructure without requiring extensive modifications. The drive’s standardized form factor and interface make it a versatile solution for various enterprise applications.

In addition to compatibility, the drive is optimized for use with HPE SmartDrive carriers, which provide enhanced monitoring and management capabilities. These features allow IT administrators to track drive health, performance metrics, and potential issues in real time, enabling proactive maintenance and minimizing the risk of unexpected failures.

Reliability and Durability for Mission-Critical Operations

Reliability is a key consideration in enterprise storage solutions, and the HPE 881781-K21 is engineered to deliver exceptional durability. Built with high-quality components and rigorous testing standards, this drive is designed to operate continuously in demanding environments. It offers a high mean time between failures, ensuring long-term reliability and reduced maintenance costs.

The drive’s robust design also includes advanced error correction technologies, which help maintain data integrity and prevent data loss. These features are essential for applications where data accuracy and availability are critical, such as financial systems, healthcare records, and enterprise resource planning platforms.

Enhanced Data Protection Features

Data protection is a fundamental aspect of enterprise storage, and the HPE 881781-K21 incorporates several features to safeguard critical information. These include end-to-end data integrity checks, which ensure that data is accurately transmitted and stored without corruption. Additionally, the drive supports advanced error recovery mechanisms that can detect and correct potential issues before they impact system performance.

The integration of these features provides peace of mind for organizations, ensuring that their data remains secure and accessible at all times. This is particularly important in industries where data compliance and regulatory requirements are stringent.

Ideal for Virtualization and Cloud Environments

Virtualization and cloud computing have become integral components of modern IT strategies, and the HPE 881781-K21 is well-suited for these environments. Its high capacity and reliable performance enable efficient storage of virtual machine data, ensuring smooth operation of virtualized workloads. The drive’s ability to handle concurrent data access requests makes it ideal for multi-tenant environments where multiple users and applications share resources.

In cloud environments, where scalability and performance are critical, the drive’s features support efficient data management and rapid provisioning of storage resources. This enhances the overall efficiency and responsiveness of cloud services, contributing to improved user experiences.

Key Balance Between Speed and Capacity

The 7,200 RPM rotational speed of the HPE 881781-K21 provides a balanced approach to performance and capacity. While higher RPM drives may offer faster access times, they often come at the expense of increased power consumption and reduced capacity. This drive strikes an optimal balance, delivering reliable performance for a wide range of applications while maximizing storage capacity.

This balance makes the drive suitable for applications that require large-scale data storage with moderate performance demands. It is particularly effective for workloads such as backup, archiving, and content storage, where capacity is a primary consideration.