Your go-to destination for cutting-edge server products

861756-H21 HPE 4TB SAS 12G 7.2K RPM LFF HDD

861756-H21
* Actual product may vary from image shown.
Hover on image to enlarge

Brief Overview of 861756-H21

HPE 861756-H21 4TB SAS 12GBPS 7.2K RPM Hot-Swap LFF Hard Drive. New (System) Pull with 1 year replacement warranty

$351.00
$260.00
You save: $91.00 (26%)
Ask a question
+
Quote
Additional 7% discount at checkout
SKU/MPN861756-H21Availability✅ In StockProcessing TimeUsually ships same day ManufacturerHPE Product/Item ConditionNew (System) Pull ServerOrbit Replacement Warranty1 Year Warranty
Google Top Quality Store Customer Reviews
Our Advantages
Payment Options
  • — Visa, MasterCard, Discover, and Amex
  • — JCB, Diners Club, UnionPay
  • — PayPal, ACH/Bank Transfer (11% Off)
  • — Apple Pay, Amazon Pay, Google Pay
  • — Buy Now, Pay Later - Affirm, Afterpay
  • — GOV/EDU/Institutions PO's Accepted 
  • — Invoices
Delivery
  • — Deliver Anywhere
  • — Express Delivery in the USA and Worldwide
  • — Ship to -APO -FPO
  • For USA - Free Ground Shipping
  • — Worldwide - from $30

Same product also available in:

Description

HPE 861756-H21 4TB SAS 12GBPS 7.2K RPM Hard Drive

The HPE 861756-H21 4TB SAS 12Gbps 7.2K RPM Hot-Swap LFF Hard Drive represents a robust storage solution engineered for enterprise environments where reliability, performance, and scalability are essential. Designed to meet the rigorous demands of modern data centers, this large form factor (LFF) hard drive provides substantial capacity combined with efficient data throughput, making it ideal for businesses that require dependable storage for critical workloads. Its advanced Serial Attached SCSI (SAS) interface ensures high-speed communication between storage and servers, delivering consistent performance even in demanding applications.

Manufacturer Information

  • Manufacturer: Hewlett Packard Enterprise
  • Part Number: 861756-H21
  • Drive Type: Internal Hard Drive

Technical Specifications

  • Storage Capacity: 4 TB
  • Form Factor: 3.5-inch LFF
  • Interface Type: SAS 12 Gbps
  • Bytes Per Sector: 512
  • Drive Technology: Air
  • Plug Type: Hot Plug
  • Format: 512e
  • Carrier: Smart Carrier (SC)
  • Workload Type: Enterprise
  • Key Features: Advanced Format 512e, Digitally Signed Firmware
  • Included Accessories: HPE Smart Carrier

Performance Specifications

  • Data Transfer Rate: 12 Gb/sec (external)
  • Average Latency: 4.16 ms
  • Internal Data Rate: 226 MB/s
  • Spindle Speed: 7200 RPM
Expansion and Connectivity
  • Compatible Bay: 3.5-inch LFF
  • Interface Ports: 1 x SAS 12 Gb/s

Power Consumption

  • Idle Power Usage: 5.73 Watts
  • Random Read Power Usage: 9.59 Watts

Environmental Parameters

  • Maximum Operating Temperature: 95 °F
  • Minimum Operating Temperature: 50 °F

Compatibility

Compatible HPE ProLiant DL Series

  • DL160 Gen9 (3.5-inch), DL160 Gen9 Base (3.5-inch), DL160 Gen9 Performance (3.5-inch)
  • DL360 Gen10 (3.5-inch), DL380 Gen10 (3.5-inch), DL380 Gen9 (3.5-inch)
  • DL580 Gen9 (3.5-inch), DL580 Gen9 High Performance (3.5-inch)
  • Other models in the DL series (3.5-inch) supported

Compatible HPE ProLiant ML Series

  • ML110 Gen9 (3.5-inch), ML110 Gen9 Base (3.5-inch)
  • ML110 Gen9 Entry (3.5-inch)

Capacity

The HPE 861756-H21 Hard Drive is equipped with an impressive 4TB capacity, making it an excellent choice for users who require ample storage space for their data-intensive applications and workloads. Whether you are a business professional dealing with large amounts of data or a home user with a growing multimedia collection, this hard drive's capacity ensures that you can store all your important files and documents without worrying about running out of space.

Benefits of 4TB Capacity

1. Ample Storage

With 4TB of storage capacity, you can store thousands of high-resolution photos, hours of HD videos, and even large software applications or databases. This means you no longer have to constantly delete files to free up space or invest in additional external storage devices.

2. Improved Performance

Having a higher capacity hard drive allows for efficient organization and distribution of data across multiple sectors, resulting in improved read and write speeds. This means faster access to your files, reducing loading times and improving overall system performance.

3. Simplified Data Management

With a 4TB capacity, you can easily create backups of your important files and keep multiple versions without worrying about running out of space. This ensures that your data remains safe and accessible in case of any unforeseen events such as hardware failure or accidental deletion.

4. Scalability

The 4TB capacity of this hard drive provides room for future growth. As your storage needs increase, you can continue to add more data without having to replace the entire hard drive. This scalability is particularly beneficial for businesses that anticipate expanding their operations and require reliable and scalable storage solutions.

Interface

The HPE 861756-H21 Hard Drive boasts a SAS 12GBPS interface, providing users with reliable and high-speed connectivity options for their storage needs. The SAS (Serial Attached SCSI) interface offers several benefits that make it a preferred choice for demanding enterprise applications and performance-driven environments.

Benefits of SAS 12GBPS Interface

1. Enhanced Performance

The SAS 12GBPS interface offers significantly faster data transfer rates compared to traditional SATA interfaces. This high-speed connectivity ensures faster access to data stored on the hard drive, resulting in improved system performance and reduced latency.

2. Scalability and Flexibility

SAS interfaces support daisy-chaining multiple devices, allowing for easy scalability and expansion of storage capacity. This makes it ideal for enterprise environments where storage requirements can grow rapidly. Additionally, SAS interfaces are compatible with both SAS and SATA drives, providing flexibility in choosing the right storage solution for specific needs.

3. Reliability and Data Integrity

The SAS interface incorporates advanced error detection and correction mechanisms, ensuring data integrity and reducing the risk of data corruption during transfer. This reliability is crucial for critical applications and industries where data loss or corruption can have severe consequences.

4. Hot Swapping Capability

SAS interfaces support hot swapping, which means that drives can be inserted or removed while the system is running without causing any disruption. This feature is particularly beneficial in mission-critical environments where uninterrupted operations are essential, as it allows for maintenance and upgrades without downtime.

SAS 12GBPS Interface

The SAS 12GBPS interface offers numerous advantages that cater to various user requirements. Here are some key scenarios where the SAS interface's capabilities are particularly important:

1. Enterprise Storage Solutions

For businesses and organizations that rely on high-performance storage systems, the SAS 12GBPS interface provides the necessary speed and reliability to handle demanding workloads. It is commonly used in data centers, cloud computing environments, and enterprise-level servers.

2. Database Management

Databases often require quick access to large volumes of data. The SAS interface's high-speed connectivity ensures efficient data retrieval and supports database applications that demand fast read and write operations.

3. High-Performance Computing

In fields such as scientific research, engineering, and financial modeling, where massive amounts of data need to be processed quickly, the SAS 12GBPS interface enables high-performance computing systems to access and analyze data at lightning-fast speeds.

Speed

The HPE 861756-H21 Hard Drive features a speed of 7.2K RPM (Revolutions Per Minute), providing users with a balance between performance and energy efficiency. The rotational speed of a hard drive is a crucial factor that directly impacts its performance and responsiveness.

Benefits of 7.2K RPM Speed

1. Faster Data Access

The higher rotational speed of 7.2K RPM allows the hard drive's read/write heads to access data more quickly, reducing the latency between the request for data and its retrieval. This results in faster file transfers, quicker application loading times, and overall improved system responsiveness.

2. Smooth Multimedia Playback

When dealing with multimedia content such as videos or high-definition audio, a higher rotational speed ensures that the data can be accessed and streamed without interruptions or buffering issues. This is especially important for media professionals or those who enjoy seamless playback of their favorite movies or music.

3. Enhanced Multi-Tasking Abilities

The faster rotational speed enables the hard drive to handle multiple read and write requests simultaneously, making it ideal for multitasking scenarios. Whether you are running multiple applications or performing extensive file transfers, the 7.2K RPM speed ensures that your system can keep up with your demands.

4. Energy Efficiency

While higher rotational speeds typically consume more power, the 7.2K RPM speed strikes a balance between performance and energy efficiency. It ensures optimal power consumption while still delivering the necessary performance for most users' requirements.

7.2K RPM Speed

The speed at which a hard drive operates plays a significant role in various user scenarios. Here are some instances where the 7.2K RPM speed is particularly important:

1. Everyday Computing

For everyday computing tasks such as web browsing, document editing, and email management, the 7.2K RPM speed provides sufficient performance to handle these tasks smoothly. It offers a good balance between performance and cost-effectiveness, making it suitable for most home and office users.

2. Small to Mid-Size Businesses

Small to mid-size businesses often require storage solutions that can handle moderate workloads without breaking the bank. The 7.2K RPM speed is ideal for these scenarios, providing adequate performance for file sharing, data backups, and basic server applications.

Form Factor

The HPE 861756-H21 Hard Drive features a Large Form Factor (LFF), which indicates its physical size and compatibility with specific drive bays or enclosures. The form factor of a hard drive is an essential consideration when choosing the right storage solution for your system.

Benefits of LFF Form Factor

1. Increased Storage Capacity

LFF drives are larger in size compared to Small Form Factor (SFF) drives, allowing them to accommodate more platters or disks for increased storage capacity. This makes LFF drives suitable for users who require higher storage densities or have limited drive bay slots available.

2. Better Cooling and Airflow

The larger form factor of LFF drives provides more space for cooling mechanisms, ensuring proper heat dissipation during operation. This helps maintain optimal operating temperatures and prevents overheating, ultimately prolonging the lifespan and reliability of the hard drive.

LFF Form Factor

The form factor of a hard drive is crucial depending on the intended usage and system requirements.In enterprise environments with high-capacity storage requirements, LFF drives offer the necessary storage density to accommodate massive amounts of data. They are commonly used in RAID configurations, SAN (Storage Area Network) setups, and other demanding storage environments.Data centers often require large-scale storage systems with optimal cooling and compatibility. LFF drives provide the necessary capacity and airflow management, making them suitable for these high-density environments where reliability and future expandability are crucial.

Hot Swap capability

The HPE 861756-H21 Hard Drive features a hot swap capability of 1, allowing users to replace or add drives without shutting down the system. Hot swapping is a desirable feature in scenarios where uninterrupted operations are critical, such as mission-critical applications or servers that require constant uptime.Hot swapping enables drives to be replaced or added while the system is still running, eliminating the need to shut down the entire system. This minimizes downtime during maintenance, upgrades, or drive failures, ensuring continuous operations and preventing productivity losses.

Scalability and Flexibility

The hot swap capability enables easy scalability and flexibility in storage solutions. Additional drives can be added without disrupting ongoing operations, allowing for dynamic expansion of storage capacity as needed. This is particularly important in environments where storage needs can grow rapidly.

Features
Product/Item Condition:
New (System) Pull
ServerOrbit Replacement Warranty:
1 Year Warranty