HPE 857644-B21 10TB-SAS 12GBPS Hard Drive
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HPE 857644-B21 10TB SAS 12GBPS Hard Drive 7.2K RPM 512E SC New

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Part Number#: 857644-B21
List Price was: $2157.58
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Short Description:
857644-B21 7200 Revolutions Per Minute (RPM) Serial Attached SCSI (SAS) 10TB (Terabytes) 12Gigabytes Per Second (GBPS) Large Form Factor (LFF) 512E Smart Carrier (SC) Midline Hot Swap Hard Disk Drive with Tray for Server | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the HPE 857644-B21 10TB SAS 12GBPS Hard Drive

In the world of enterprise storage solutions, the HPE 857644-B21 10TB SAS 12GBPS Hard Drive stands out as a reliable and high-performance option. This hard drive is designed to meet the demanding storage needs of modern data centers, providing a significant capacity of 10 terabytes with a SAS interface operating at 12 gigabits per second. In this comprehensive guide, we will delve into the key features, specifications, and benefits of the HPE 857644-B21, exploring why it's a valuable addition to your storage infrastructure.

Key FeaturesImpressive Storage Capacity

One of the standout features of the HPE 857644-B21 is its substantial storage capacity of 10 terabytes. This makes it well-suited for applications and workloads that require vast amounts of data storage, such as virtualization, database management, and content repositories.

SAS Interface at 12Gbps

The 12 gigabits per second SAS interface ensures high-speed data transfer between the hard drive and the storage controller. This is crucial for optimizing performance in enterprise environments where quick access to data is essential. The SAS interface also offers superior reliability and scalability compared to SATA interfaces.

Rotational Speed of 7.2K RPM

The rotational speed of 7,200 revolutions per minute (RPM) contributes to the hard drive's overall performance. Higher RPM values generally result in faster data access times, making this hard drive suitable for applications that require rapid data retrieval.

512e Format with Tray

The 512e (512-byte emulation) format is an industry-standard configuration that strikes a balance between compatibility and performance. The inclusion of a tray simplifies installation and ensures compatibility with the storage infrastructure.

Technical Specifications

To better understand the capabilities of the HPE 857644-B21, let's explore its technical specifications in detail:

Capacity: 10TB

The 10-terabyte storage capacity allows organizations to consolidate their data on a single drive, reducing the need for multiple drives and simplifying storage management.

Interface: SAS 12Gbps

The SAS interface operates at 12 gigabits per second, providing a high-speed connection between the hard drive and the storage controller. This is particularly advantageous in environments where data-intensive applications require swift and reliable access to stored information.

Rotational Speed: 7.2K RPM

The 7,200 RPM rotational speed ensures that the hard drive delivers responsive performance, making it suitable for applications that demand quick data access, such as databases and virtualized environments.

Format: 512e with Tray

The 512e format ensures compatibility with a wide range of storage systems, making it a versatile choice for various enterprise setups. The inclusion of a tray simplifies the installation process and provides a secure mounting solution.


The HPE 857644-B21 is designed for compatibility with HPE storage systems, ensuring seamless integration into existing infrastructure. This compatibility is crucial for organizations that rely on HPE solutions for their storage needs.

Benefits of the HPE 857644-B21Enhanced Storage Performance

With its combination of a 10TB capacity, 12Gbps SAS interface, and 7.2K RPM rotational speed, the HPE 857644-B21 excels in delivering enhanced storage performance. This is particularly valuable in environments where data access speed directly impacts overall system efficiency.

Scalability for Growing Needs

The 10TB capacity provides ample room for data growth, offering scalability for organizations with expanding storage requirements. This scalability is essential for future-proofing your storage infrastructure and ensuring it can accommodate increasing amounts of data over time.

Reliability in Enterprise Environments

Designed for enterprise-level reliability, the HPE 857644-B21 is built to withstand the demands of 24/7 operation in data center environments. The SAS interface adds an extra layer of reliability, as SAS technology is known for its robustness and error recovery capabilities.

Use Cases

The HPE 857644-B21 finds applications in a variety of scenarios, thanks to its impressive features and performance. Some notable use cases include:

Data Warehousing

The high capacity and fast access times make this hard drive suitable for data warehousing applications, where large volumes of data need to be stored and retrieved quickly for analytical purposes.

Virtualized Environments

In virtualized environments, where multiple virtual machines share the same storage resources, the HPE 857644-B21's performance characteristics contribute to efficient virtual machine operations.

Database Management

Databases, especially those dealing with large datasets, benefit from the combination of high capacity and rotational speed, ensuring that queries and transactions are processed promptly.

Content Repositories

For organizations managing extensive content repositories, such as media files or documents, the HPE 857644-B21 provides the necessary capacity and speed to handle large amounts of diverse data.

Power On and Configure

After the hard drive is installed, power on the storage system. Depending on the system configuration, you may need to access the storage controller to configure and recognize the new drive.

Regular Firmware Updates

Stay informed about firmware updates for both the hard drive and the storage system. Regularly updating firmware can address performance improvements, bug fixes, and security enhancements.

Monitor Health Status

Utilize monitoring tools provided by the storage system to keep track of the health status of the HPE 857644-B21. Proactive monitoring can help identify potential issues before they escalate.

Backup and Redundancy

Implement a robust backup strategy to safeguard critical

General Information about the HPE 857644-B21 SAS-12GBPS Hard Drive
  • Manufacturer: HPE
  • Part Number or SKU# 857644-B21
  • ProductType: Hard Drive
  • HDD Type: SAS-12GBPS
Technical Information 10TB Hard Drive
  • Capacity: 10 TB
  • Form Factor: 3.5 inch
  • Bytes per Sector: 512
  • Drive Technology (Fill): Helium
  • Plug Type: Hot Plug
  • Format Type: 512e
  • Workload: Midline
  • Rotational Speed: 7200 RPM
  • Transfer Rate Synchronous (Max): 12Gb/sec
  • Single Track Seek Time: 0.22 MS
  • Average Seek Time: 8.00 MS
  • OD Media Rate, Max Sequential Throughput (MiB/s): 235
  • 128Kib Random Rd (IOPs): 105
  • 128Kib Random 70% RD/ 30% WT (IOPs): 110
  • 128Kib Random 50% RD/ 50% WT (IOPs): 115
Power Consumption
  • Idle Time: 3.80 Watt
  • Random Read/Write: 5.80 Watt
  • Sequential Read: 5.90 Watt
  • Sequential Write: 5.00 Watt
Environmental Parameters
  • Min Operating Temperature: 50 °F (10°C)
  • Max Operating Temperature: 95 °F (35°C)
Compatibility: HPE ProLiant DL Series
  • DL120 Gen9 (3.5 inch)
  • DL120 Gen9 Entry (3.5 inch)
  • DL180 Gen9 (3.5 inch)
  • DL180 Gen9 Base (3.5 inch)
  • DL180 Gen9 Entry (3.5 inch)
  • DL180 Gen9 Storage (3.5 inch)
  • DL20 Gen9 (3.5 inch)
  • DL20 Gen9 Entry (3.5 inch)
  • DL20 Gen9 Performance (3.5 inch)
  • DL20 Gen9 Solution (3.5 inch)
  • DL360 Gen10 (3.5 inch)
  • DL360 Gen10 Base (3.5 inch)
  • DL360 Gen10 Entry (3.5 inch)
  • DL360 Gen10 High Performance (3.5 inch)
  • DL360 Gen10 Low (3.5 inch)
  • DL360 Gen10 Performance (3.5 inch)
  • DL360 Gen10 SMB (3.5 inch)
  • DL360 Gen10 Solution (3.5 inch)
  • DL380 Gen10 (3.5 inch)
  • DL380 Gen10 Base (3.5 inch)
  • DL380 Gen10 Entry (3.5 inch)
  • DL380 Gen10 Entry SMB (3.5 inch)
  • DL380 Gen10 for Cohesity DataPlatform (3.5 inch)
  • DL380 Gen10 High Performance (3.5 inch)
  • DL380 Gen10 Network Choice (3.5 inch)
  • DL380 Gen10 Performance (3.5 inch)
  • DL380 Gen10 SMB (3.5 inch)
  • DL380 Gen10 Solution (3.5 inch)
  • DL385 Gen10 (3.5 inch)
  • DL385 Gen10 Base (3.5 inch)
  • DL385 Gen10 Entry (3.5 inch)
  • DL385 Gen10 High-Performance (3.5 inch)
  • DL385 Gen10 Performance (3.5 inch)
  • DL385 Gen10 Solution (3.5 inch)
  • DL388 Gen9 (3.5 inch)
  • DL388 Gen9 Base (3.5 inch)
  • DL60 Gen9 (3.5 inch)
  • DL60 Gen9 Base (3.5 inch)
  • DL60 Gen9 Entry (3.5 inch)
  • DL80 Gen9 (3.5 inch)
  • DL80 Gen9 Base (3.5 inch)
  • DL80 Gen9 Entry (3.5 inch)
HPE ProLiant ML Series
  • ML110 Gen9 (3.5 inch)
  • ML110 Gen9 Base (3.5 inch)
  • ML110 Gen9 Entry (3.5 inch)
  • ML150 Gen9 (3.5 inch)
  • ML150 Gen9 Base (3.5 inch)
  • ML150 Gen9 Entry (3.5 inch)
  • ML150 Gen9 Performance (3.5 inch)
  • ML30 Gen9 Entry (3.5 inch)
  • ML30 Gen9 Solution (3.5 inch)
HPE Enclosures
  • D3600
  • D3610

In short, the HPE 857644-B21 10TB SAS 12Gbps Hard Drive stands as a testament to HPE's commitment to delivering high-performance and reliable storage solutions. Its key features, performance metrics, and compatibility make it a versatile choice for data centers, enterprises, and organizations looking to optimize their storage infrastructure. With a focus on scalability, cost-effectiveness, and data security, the HPE 857644-B21 emerges as a formidable contender in the competitive landscape of hard drives. As technology continues to advance, .

Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(b) any misuse outside the instructions in the user manual for any specific product;

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What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

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