HP 625031-B21 3TB Hot-Swap Hard Drive
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625031-B21 HP 3TB 7.2K RPM SAS 6GBPS Self Encryption Midline Refurbished

Availability: In Stock
Part Number#: 625031-B21
List Price was: $84.85
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Short Description:
625031-B21 3 Terabytes (TB) 7200 RPM Serial-Attached SCSI (SAS) Gigabit Per Second (6Gbps) 3.5-inch Large From Factor (LFF) Midline Hard Disk Drive | Made by HP | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Product Details of the HP 625031-B21

The HP 625031-B21 is a hard disk drive that is designed to store data in large quantities. This particular hard drive has a capacity of 3 Terabytes (TB), which means it can hold a lot of data. In this article, we will explore the features and benefits of the HP 625031-B21 in detail.


As mentioned earlier, the HP 625031-B21 has a capacity of 3 Terabytes (TB). This means it can store up to 3 trillion bytes of data. To put this into perspective, a single high-definition movie takes up around 5 gigabytes (GB) of space. With a 3 TB hard drive, you could store up to 600 high-definition movies. This makes the HP 625031-B21 an ideal choice for those who need to store large amounts of data, such as businesses or individuals who work with large files.


The HP 625031-B21 has a spindle speed of 7200 revolutions per minute (RPM). This means it can read and write data at a faster rate than hard drives with lower spindle speeds. Additionally, this hard drive uses Serial-Attached SCSI (SAS) technology, which allows for faster data transfer rates. Specifically, the HP 625031-B21 has a transfer rate of 6 Gigabits per second (Gbps). This means it can transfer up to 6 billion bits of data per second. Overall, the HP 625031-B21 is a fast and efficient hard drive that can handle demanding workloads.

Form Factor

The HP 625031-B21 has a 3.5-inch Large Form Factor (LFF). This means it is larger than standard 2.5-inch hard drives. The benefit of a larger form factor is that it allows for more space inside the hard drive, which can result in higher capacities and better performance. However, it is important to note that the larger form factor may not be compatible with all computer systems. Before purchasing the HP 625031-B21, it is important to ensure that your computer is compatible with a 3.5-inch LFF hard drive.


The HP 625031-B21 is a Midline Hard Disk Drive. This means it is designed for reliability and durability. Specifically, Midline Hard Disk Drives are designed for use in servers and storage arrays, where they may need to operate 24/7. Additionally, the HP 625031-B21 has built-in features to protect against data loss, such as error correction and detection. These features ensure that your data is safe and secure, even in the event of a hardware failure.


The HP 625031-B21 is designed to be compatible with a wide range of computer systems. Specifically, it is designed to work with servers and storage arrays that support 3.5-inch LFF hard drives. Additionally, the HP 625031-B21 is compatible with SAS controllers that support 6Gbps transfer rates. Before purchasing the HP 625031-B21, it is important to ensure that your computer system is compatible with these specifications.

Overall, the HP 625031-B21 is a high-capacity, high-speed hard drive that is designed for reliability and compatibility. With a capacity of 3 Terabytes (TB) and a spindle speed of 7200 revolutions per minute (RPM), this hard drive can handle demanding workloads with ease. Additionally, the use of Serial-Attached SCSI (SAS) technology allows for fast data transfer rates of up to 6 Gigabits per second (Gbps).

Main Information about the HP 625031-B21

  • Manufacturer: HP
  • Part Number or SKU# 625031-B21
  • Product Type: Hard Disk Drive

Technical Information

  • Capacity: 3 TB
  • Form Factor: 3.5 inch LFF
  • Interface: SAS 6GBPS
  • Bytes per Sector: 512E
  • Drive Technology (Fill): Air
  • Connectivity: Dual Port
  • Plug Type: Hot Pluggable
  • Carrier Type: Standard Carrier (ST)
  • Workload Type: Midline
  • Bundled with: HP Standard Carrier (ST)


  • Drive Transfer Rate (External): 6 GB/Sec
  • Drive Rotational Speed: 7200 RPM

Expansion & Connectivity

  • Interfaces: 1 x SAS - 29 pin internal SAS (SFF-8482)
  • Compatible Bay: 3.5 Inch LFF

Dimension and Weight

  • Width: 4 Inch
  • Depth: 5.8 Inch
  • Height: 1 Inch
  • Weight: 1.52 LBS


  • HP Modular Disk System 600
  • HP ProLiant DL Series: DL160 Gen6 (3.5 inch), DL160 Gen6 Special Server (3.5 inch), DL165 Gen7 Base (3.5 inch), DL180 Gen6 (3.5 inch), DL180 Gen6 Special Server (3.5 inch), DL320 Gen6 (3.5 inch), DL320 Gen6 Entry, DL320 Gen6 High Efficiency, DL320 Gen6 Performance, DL370 Gen6 Special Server (3.5 inch), DL380 Gen7 (3.5 inch)
  • HP ProLiant ML Series: ML150 Gen6
  • HP StorageWorks Disk Enclosure D2600
  • HP StorageWorks Modular Disk System 600, 600 with two Dual Port I/O Module System
  • HP StorageWorks Network Storage System X1400 G2, X1500 G2, X1600 Gen2 (3.5 inch LFF)
  • HP StoreAll 9730 Storage Couplet
  • HP StoreEasy 12 LFF Disk Enclosure

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product 625031-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:

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

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

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FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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FedEx First Overnight®
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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:

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