HPE 781518-B21 SAS 12GBPS Hard Disk Drive
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HPE 781518-B21 Hard Disk Drive SAS 12GBPS 1.2TB 10K RPM SFF Bulk

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Part Number#: 781518-B21
List Price was: $1263.64
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Short Description:
781518-B21 1.2 Terabytes (TB) Serial-Attached SCSI (SAS) 10K Revolutions Per Minute (RPM) 12 Gigabytes Per Second (GBPS) Small Form Factor (SFF) (2.5inch) Smart Carrier (SC) Enterprise Hard Disk Drive With Tray for Server | Made by HPE | New Sealed Spare
Product Condition:
New Sealed Spare
Warranty provided by ALLHDD.COM:
90 Days
Product overview for the HPE 781518-B21

In the realm of server storage, the HPE 781518-B21 1.2TB 10K RPM SAS (Serial Attached SCSI) 12GBPS SFF (Small Form Factor) enterprise hard disk drive stands out as a reliable and high-performance storage solution. This article delves into the intricacies of this hard disk drive, exploring its key features, benefits, and its role in enhancing server performance.

Overview of HPE 781518-B21

The HPE 781518-B21 is a 1.2TB hard drive designed for servers. It operates at 10,000 revolutions per minute (RPM), providing a balance between speed and storage capacity. The SAS interface with a 12GBPS data transfer rate ensures efficient and rapid data access and retrieval. Its small form factor (2.5 inches) makes it suitable for servers with limited physical space.

Key Features
  • Capacity: The 1.2TB storage capacity of the HPE 781518-B21 makes it well-suited for applications and workloads that demand substantial storage space. This is particularly crucial in server environments where large datasets and applications are commonplace.
  • Rotational Speed (RPM): Operating at 10,000 RPM, this hard disk drive delivers a commendable balance between speed and reliability. The rotational speed determines how quickly data can be read or written, impacting the overall performance of the server.
  • SAS Interface: The Serial Attached SCSI ensures high-speed data transfer. With a 12GBPS data transfer rate, the HPE 781518-B21 minimizes latency and enhances the overall responsiveness of the server.
  • Small Form Factor (SFF): The 2.5-inch small form factor of this enterprise hard disk drive is advantageous for servers with limited physical space. It allows for higher storage density, enabling servers to accommodate more drives and, consequently, more data.
  • Enterprise-Class Reliability: The "SC" in the product name denotes that this hard disk drive belongs to the enterprise-class category. Enterprise-class drives are designed for continuous and demanding operations, ensuring reliability and data integrity in critical server environments.
  • Tray Inclusion: The inclusion of a tray simplifies the installation process. The tray provides a secure and convenient way to slot the hard disk drive into the server, minimizing the risk of damage during installation or removal.
Benefits of HPE 781518-B21
  • Enhanced Performance: The 10,000 RPM rotational speed significantly enhances the performance of the HPE 781518-B21. Servers equipped with this hard disk drive experience faster data access and reduced latency, contributing to overall system efficiency.
  • Scalability: With a substantial storage capacity of 1.2TB, the HPE 781518-B21 supports the scalability needs of modern server environments. It can accommodate growing datasets and expanding workloads, making it a future-proof choice for businesses with evolving storage requirements.
  • Reliability in Enterprise Environments: Enterprise-class drives are specifically engineered for the robust demands of enterprise environments. The HPE 781518-B21 is built to withstand continuous operation, ensuring data reliability and system stability in critical server applications.
  • Space Optimization: The small form factor of 2.5 inches allows for higher storage density within the server. This is particularly advantageous in data centers where space optimization is a critical consideration. Servers can house more drives without sacrificing valuable physical space.
  • Easy Installation with Included Tray: The inclusion of a tray simplifies the installation process, reducing the risk of mishandling during installation or removal. This feature contributes to the overall user-friendliness of the HPE 781518-B21.
Use Cases
  • Data Centers: In large-scale data centers where space is at a premium, the small form factor and high capacity of the HPE 781518-B21 make it an ideal choice. Its enterprise-class reliability ensures continuous operation in data-intensive applications.
  • Enterprise Servers: Business-critical applications running on enterprise servers require storage solutions that can deliver high performance and reliability. The HPE 781518-B21 meets these requirements, making it suitable for various enterprise server applications.
  • Virtualization Environments: Virtualized environments often demand substantial storage capacity and fast data access. The HPE 781518-B21, with its 1.2TB capacity and 10,000 RPM speed, is well-suited for virtualization workloads, contributing to the efficient operation of virtual machines.
  • Database Servers: Database servers handling large datasets benefit from the speed and capacity of the HPE 781518-B21. The high RPM ensures quick database queries, while the substantial storage capacity accommodates growing databases.


  • Compatibility: It is crucial to ensure compatibility with the server or storage system before purchasing the HPE 781518-B21. Check the manufacturer's documentation and compatibility lists to guarantee seamless integration with the existing hardware.
  • Installation Process: The inclusion of a tray simplifies the installation process. Ensure that the server is powered off before inserting or removing the hard disk drive. Follow the manufacturer's guidelines and secure the drive in place using the provided tray.
  • Firmware and Driver Updates: Keep the server's firmware and drivers up to date to ensure optimal performance and compatibility. Check the HPE website for any available updates or patches related to the HPE 781518-B21.

Best Practices

  • Regular Monitoring: Implement a regular monitoring routine to assess the health and performance of the HPE 781518-B21. Many servers provide management tools that allow administrators to monitor the status of individual hard disk drives.
  • Backup Strategies: Implement robust backup strategies to safeguard data in case of hardware failure. While the HPE 781518-B21 is designed for reliability, it is prudent to have backup measures in place to mitigate the impact of unforeseen events.
  • Temperature Control: Maintain an optimal operating temperature within the server environment. Excessive heat can affect the performance and lifespan of hard disk drives. Ensure proper ventilation and cooling to prevent overheating.
  • Firmware Updates: Regularly check for firmware updates released by HPE. Firmware updates often include improvements in performance, stability, and security. Applying these updates on time enhances the overall reliability of the hard disk drive.
General Information about the HPE 781518-B21
  • Manufacturer: HPE
  • Model Number or SKU# 781518-B21
  • Type: Hard Disk Drive (HDD)
  • Product Type: SAS 12GBPS
Technical Features for the 1.2TB SAS 12GBPS HDD
  • Capacity: 1.2 TB
  • Form Factor: 2.5-inch (SFF)
  • Connectivity: Dual Port
  • Bytes per Sector: 512
  • Drive Technology (Fill): Air
  • Plug Type: Hot Pluggable
  • Carrier Type: Smart Carrier (SC)
  • Workload Type: Enterprise
  • Bundled with: HPE Smart Carrier (SC)
Drive Performance
  • Drive Transfer Rate: 12 Gb/sec (external)
  • Spindle Speed: 10000 rpm
Expansion & Connectivity
  • Interfaces: 1 x SAS 12 Gb/s
  • Compatible Bay: 2.5-inch SFF
Environmental Parameters
  • Min Operating Temperature: 50 °F
  • Max Operating Temperature: 95 °F

Compatibility of HPE 1.2TB 10K RPM Hard Disk Drive (HDD)

  • HPE Apollo 4200 Gen9 for Google (2.5 inches)
  • HPE ProLiant BL Series: BL460c Gen10 (2.5 inch), BL660c Gen9 (2.5 inch)
  • HPE ProLiant DL Series: DL180 Gen9 (2.5 inch), DL180 Gen9 Base (2.5 inch), DL180 Gen9 Entry (2.5 inch), DL180 Gen9 Storage (2.5 inch), DL20 Gen9 (2.5 inch), DL20 Gen9 Entry (2.5 inch), DL20 Gen9 Performance (2.5 inch), DL388 Gen9 (2.5 inch), DL388 Gen9 Base (2.5 inch), DL560 Gen9 (2.5 inch), DL560 Gen9 Base (2.5 inch), DL560 Gen9 Entry (2.5 inch), DL560 Gen9 Performance (2.5 inch), DL580 Gen9 (2.5 inch), DL580 Gen9 Database (2.5 inch), DL580 Gen9 SAP HANA Scale-out Base Configuration (2.5 inch), DL580 Gen9 SAP HANA Scale-up Base Configuration (2.5 inch)
  • HPE ProLiant ML Series: ML110 Gen9 (2.5 inch), ML110 Gen9 Base (2.5 inch), ML110 Gen9 Entry (2.5 inch), ML30 Gen9 (2.5 inch), ML30 Gen9 Base (2.5 inch), ML30 Gen9 Performance (2.5 inch), ML350 Gen9 (2.5 inch), ML350 Gen9 Base (2.5 inch), ML350 Gen9 Entry (2.5 inch), ML350 Gen9 Performance (2.5 inch)
  • HPE ProLiant XL Series: XL230a Gen9 Compute Tray (2.5 inch), XL230a Gen9 Compute Tray (12G) (2.5 inch), XL230a Gen9 Compute Tray (6G) (2.5 inch), XL230a Gen9 NHP Compute Tray (12G) (2.5" SFF), XL250a Gen9 Accelerator Tray (2.5 inch)
  • HPE Synergy 480 Gen10 Base Compute Module (2.5 inches), 480 Gen10 Entry Compute Module (2.5 inches), 480 Gen10 Performance Compute Module (2.5 inches), 480 Gen10 Premium Backplane Compute Module (2.5 inches), 480 Gen10 Standard BackPlane Compute Module (2.5 inches), 480 Gen10 w/o Drives Compute Module (2.5 inches), 660 Gen10 Base Compute Module (2.5 inches), 660 Gen10 Compute Module (2.5 inches), 660 Gen10 Entry Compute Module (2.5 inches), 660 Gen10 Performance Compute Module (2.5 inches), 660 Gen10 Premium Compute Module (2.5 inch)

In summary, the HPE 781518-B21 1.2TB 10K RPM SAS 12GBPS SFF enterprise hard disk drive with tray stands as a reliable and high-performance storage solution for servers. Its combination of high capacity, rotational speed, and small form factor make it a versatile choice for various applications, from data centers to enterprise servers and virtualization environments. The included tray simplifies the installation process, contributing to user convenience. As with any hardware component, regular maintenance and adherence to best practices ensure the longevity and optimal performance of the HPE 781518-B21. By understanding its features, benefits, and use cases, businesses can make informed decisions when selecting storage solutions for their server infrastructure.

Product Condition:
New Sealed Spare
Warranty provided by ALLHDD.COM:
90 Days

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