HPE P40508-B21 3.84TB Solid State Drive
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HPE P40508-B21 3.84TB SAS 12GBPS SSD Read Intensive New

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Part Number#: P40508-B21
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Short Description:
P40508-B21 3.84 Terabytes (TB) Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS) Read Intensive 2.5 Inch Small Form Factor (SFF) Bc Value Multi Vendor Digitally Signed Firmware Solid State 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 P40508-B21 3.84TB SSD

The HPE P40508-B21 is a prominent player. This solid-state drive, often referred to as SAS 12GBPS SSD, offers exceptional performance and reliability. It is specifically designed for servers and data centers, making it an ideal choice for businesses that rely heavily on data processing and storage. Let's delve deeper into the key aspects of this SSD.

SSD Technology

Solid State Drives, or SSDs, are a type of data storage device that uses NAND flash memory to store data persistently. Unlike traditional Hard Disk Drives (HDDs), which use spinning disks and mechanical read/write heads, 3.84 Terabytes SSDs have no moving parts. This absence of moving components makes SSDs faster, more durable, and less prone to failure.

SAS Interface

The HPE P40508-B21 SSD utilizes a SAS (Serial Attached SCSI) interface. SAS is a high-speed data transfer technology commonly used in enterprise environments. It offers a significant advantage over SATA (Serial ATA) interfaces, especially when it comes to performance and reliability. The 12Gbps SAS interface of this SSD ensures fast and dependable data access.

Read-Intensive Use Case

This particular SSD model is classified as "Read Intensive." This means it is optimized for workloads where data is predominantly read from the drive rather than written. Such use cases include applications like content delivery servers, data warehousing, and read-heavy databases.

Key Features of the HPE P40508-B21 SAS 12GBPS SSD

Now that we have a basic understanding of SSD technology and the SAS interface, let's explore the key features of the HPE P40508-B21 SSD.

High Capacity

The HPE P40508-B21 SSD boasts an impressive storage capacity of 3.84 terabytes (TB). This makes it suitable for organizations with extensive data storage needs. Whether you are managing large databases or storing multimedia content, this SSD offers ample space.

2.5 Inch SFF Form Factor

The SSD comes in a 2.5-inch Small Form Factor (SFF), making it compatible with a wide range of server chassis and drive bays. Its compact size allows for efficient use of space within your server infrastructure.

Multi-Vendor Compatibility

One of the standout features of this SSD is its multi-vendor compatibility. It can be used with servers and storage systems from various manufacturers, including HPE, Dell, IBM, and others. This versatility makes it a convenient choice for businesses with mixed server environments.

Digitally Signed Firmware

Security is a paramount concern in today's digital landscape. The HPE P40508-B21 SSD addresses this by incorporating digitally signed firmware. This ensures that the drive's firmware is authentic and has not been tampered with. Such security measures are crucial in preventing unauthorized access and data breaches.

Value for Money

While high-capacity SSDs often come with a hefty price tag, the HPE P40508-B21 offers excellent value for money. It combines a reasonable price point with robust performance, making it a cost-effective choice for businesses looking to upgrade their storage infrastructure.

Benefits of Using HPE P40508-B21 SSD

Now that we have examined the features of the HPE P40508-B21 SSD, let's explore the benefits it can bring to your server environment.

Improved Performance

The use of SSD technology, coupled with the 12Gbps SAS interface, results in significantly improved performance compared to traditional HDDs. Faster data access and reduced latency mean that your server applications can run more efficiently.

Enhanced Reliability

As mentioned earlier, SSDs have no moving parts, which makes them more reliable than HDDs. They are less susceptible to mechanical failures, making the HPE P40508-B21 SSD a dependable choice for critical data storage.

Energy Efficiency

SSDs are known for their energy efficiency. They consume less power and generate less heat compared to HDDs. This not only reduces energy costs but also contributes to a cooler operating environment within your data center.


The 3.84TB storage capacity of this SSD allows for easy scalability. As your data storage needs grow, you can simply add more of these drives to your server infrastructure without the need for significant hardware changes.

Use Cases

Let's explore some specific use cases where the HPE P40508-B21 SSD can be particularly advantageous:

Database Servers

In database server environments, quick access to data is critical for performance. The high-speed SAS interface and read-intensive optimization of this SSD make it an excellent choice for database servers. Whether you are running an Oracle, SQL, or MySQL database, this drive can significantly boost query response times.

Content Delivery Networks CDNs

CDNs are responsible for delivering web content, such as images, videos, and web pages, to users around the world. CDNs rely heavily on read operations to deliver content quickly. The HPE P40508-B21 SSD's read-intensive design aligns perfectly with the demands of CDN servers, ensuring a smooth and fast user experience.


Server virtualization is a common practice in modern data centers. Virtual machines (VMs) require rapid data access to function efficiently. This SSD can greatly enhance the performance of virtualized environments by reducing VM boot times and improving overall responsiveness.

Data Warehousing

Data warehousing involves storing and managing large volumes of data for analysis and reporting. The high capacity of the HPE P40508-B21 SSD is well-suited for data warehousing applications, where quick data retrieval is crucial for timely decision-making.

Main Specifications about this HPE P40508-B21 SSD

Technical Information of the 3.84TB SSD

  • Storage Capacity: 3.84TB
  • Form Factor: 2.5 inche
  • Interface: SAS 12Gbps
  • Random Read Average Latency: 140
  • Random Write Average Latency: 35
  • Random Read IOPS: 100,000
  • Random Write IOPS: 37,000
  • Max Sequential Read Throughput (MiB/s): 810
  • Max Sequential Write Throughput (MiB/s): 635
  • Flash Type: TLC
  • Hot Pluggable: Yes


  • HPE Proliant Gen10 Plus Server
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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Other Available Categories For - Solid State Drive - SAS-12GBPS


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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.

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(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.
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Worldwide Shipping Options:

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