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

Availability: In Stock
Part Number#: 857644-B21
List Price was: $1969.70
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Short Description:
857644-B21 10TB (Terabytes) 7200 Revolutions Per Minute (RPM) Serial Attached SCSI (SAS) 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 | New Sealed Spare
Product Condition:
New Sealed Spare
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the HPE 857644-B21 10TB SAS 12GBPS Hard Disk

In the ever-evolving landscape of data storage, businesses and individuals alike are constantly seeking reliable and efficient storage solutions to meet their growing needs. One such solution is the HPE 857644-B21 10TB 7.2K RPM SAS 12GBPS 512E SC Hard Disk With Tray. This article will delve into the intricacies of this storage device, providing a comprehensive understanding of its key features, benefits, and how it can cater to the demands of modern data storage requirements.

Key Features of the HPE 857644-B21 Hard DiskCapacity: 10TB

The HPE 857644-B21 boasts an impressive storage capacity of 10 terabytes (TB). This large capacity is crucial for organizations dealing with vast amounts of data, ensuring they have the necessary space to store and manage their information effectively.

Speed: 7.2K RPM

The rotational speed of a hard disk is a critical factor influencing its performance. The HPE 857644-B21 operates at 7,200 revolutions per minute (RPM). This high rotational speed enables faster data access and retrieval, making it suitable for applications that demand quick response times.

Interface: SAS 12GBPS

The hard disk utilizes a Serial Attached SCSI (SAS) interface with a data transfer rate of 12 gigabits per second (GBPS). The SAS interface ensures a reliable and efficient connection between the hard disk and the storage controller, facilitating high-speed data transfer.

512E Format

The 512E (512 Emulation) format is a modern disk format that emulates a 512-byte physical sector size while internally using a larger sector size. This format is designed to enhance compatibility with legacy systems that may not fully support larger sector sizes, ensuring seamless integration into existing infrastructures.

Hot-Swappable Design

The HPE 857644-B21 features a hot-swappable design, allowing users to replace or upgrade the hard disk without powering down the entire system. This feature is crucial for businesses that require continuous operation without disruptions.

Compatibility with HPE Servers

Designed specifically for compatibility with HPE servers, this hard disk ensures optimal performance when integrated into an HPE storage environment. This compatibility streamlines the deployment process and enhances overall system efficiency.

Benefits of the HPE 857644-B21 Hard DiskReliability and Durability

With its SAS interface and 7.2K RPM speed, the HPE 857644-B21 offers reliability and durability. These features are essential for businesses that rely on consistent and uninterrupted access to their data. The hard disk's design is geared towards minimizing the risk of data loss or system downtime.


The 10TB storage capacity of the HPE 857644-B21 provides ample room for scalability. As data storage needs grow, users can easily expand their storage infrastructure by incorporating additional units of this hard disk. This scalability ensures that the storage solution can evolve alongside the changing requirements of the user or organization.

High Performance

The combination of a 7.2K RPM speed and a 12GBPS SAS interface results in high-performance data access. Applications that demand rapid data retrieval, such as databases and virtualized environments, can benefit significantly from the enhanced speed provided by this hard disk.


The 512E format enhances the versatility of the HPE 857644-B21 by ensuring compatibility with both modern and legacy systems. This feature is particularly valuable for organizations with diverse IT infrastructures, allowing them to adopt the hard disk seamlessly without concerns about compatibility issues.

Optimized for HPE Servers

The hard disk's compatibility with HPE servers ensures optimized performance within the HPE ecosystem. This alignment enhances system integration, support, and overall efficiency when deployed in conjunction with HPE server solutions.

Applications and Use CasesData Centers

In large-scale data center environments where storage demands are exceptionally high, the HPE 857644-B21 can serve as a reliable solution. Its scalability and high-speed performance make it well-suited for managing vast amounts of data in a data center setting.

Enterprise Storage

Enterprises with diverse storage needs, ranging from critical business applications to archival storage, can benefit from the versatility of the HPE 857644-B21. Its compatibility with HPE servers makes it an ideal choice for organizations invested in HPE infrastructure.

Virtualized Environments

Virtualized environments, where multiple virtual machines share the same physical hardware, often require fast and responsive storage solutions. The high RPM and SAS interface of this hard disk make it suitable for supporting virtualized workloads in an efficient manner.

Backup and Archive Systems

The 10TB capacity and hot-swappable design of the HPE 857644-B21 make it an excellent choice for backup and archive systems. Its reliability ensures the safe storage of critical data, while the hot-swappable feature simplifies maintenance and upgrades in these environments.

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

Outline, the HPE 857644-B21 10TB 7.2K RPM SAS 12GBPS 512E SC Hard Disk With Tray is a robust storage solution that addresses the evolving needs of modern data storage. Its impressive features, including high capacity, speed, and compatibility with HPE servers, position it as a versatile and reliable choice for various applications and use cases. Whether deployed in data centers, enterprise storage setups, virtualized environments, or backup systems, this hard disk is designed to deliver high performance, scalability, and ease of maintenance, making it a valuable asset for organizations seeking efficient and dependable storage solutions.

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

Here, you can check more available conditions of your desired product 857644-B21 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

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

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

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.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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