HPE  875591-B21 1.92TB SSD PCI-E
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HPE 875591-B21 1.92TB SSD PCI-E X4 Nvme SFF Hot Swap SCN Refurbished

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Part Number#: 875591-B21
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Short Description:
875591-B21 1.92 Terabytes Peripheral Component Interconnect Express (PCI-E) Read Intensive X4 Nvme 2.5inch SFF Hot Swap Smart Carrier Nvme (SCN) Digitally Signed Firmware Solid State Drive for Server | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Overview of the HPE 875591-B21 SSD 1.92TB

In the rapidly evolving landscape of server technology, storage solutions play a pivotal role in ensuring optimal performance and data accessibility. One such innovative storage device is the 875591-B21 1.92 Terabytes Peripheral Component Interconnect Express (PCI-E) Read Intensive X4 NVMe 2.5-inch SFF Hot Swap Smart Carrier NVMe (SCN) Digitally Signed Firmware Solid State Drive (SSD). This article aims to provide a detailed exploration of this cutting-edge storage solution, breaking down its key features, benefits, and applications for servers.

Understanding the Basics

Definition of 875591-B21

The 875591-B21 is a cutting-edge storage solution, specifically engineered for servers. With a storage capacity of 1.92 Terabytes, it belongs to the NVMe (Non-Volatile Memory Express) category, utilizing the PCI Express interface for enhanced data transfer speeds.

Peripheral Component Interconnect Express (PCI-E)

PCI-E is a high-speed interface that facilitates communication between various hardware components within a server. Its adoption in the 875591-B21 ensures efficient data transfer, minimizing latency and maximizing overall system performance.

Read Intensive Design

The 875591-B21 is optimized for read-intensive workloads, making it ideal for applications and tasks that demand fast and reliable data retrieval. This design choice enhances its suitability for server environments where quick access to information is crucial.

NVMe Technology

Non-volatile memory Express (NVMe) is a protocol designed for rapidly accessing storage media connected via the PCIe interface. NVMe enhances data transfer rates and reduces latency, making it an ideal choice for high-performance applications in servers.

1.92 Terabytes Storage Capacity

The 1.92 Terabytes storage capacity of the HPE 875591-B21 provides ample space for storing critical data and applications, making it suitable for demanding server environments where large volumes of information need to be processed and accessed swiftly.

Key Features

Read Intensive Design

The HPE 875591-B21 is tailored for read-intensive workloads, making it particularly suitable for scenarios where data retrieval speed is crucial. This feature ensures optimal performance in applications such as content delivery networks, databases, and virtualization.

2.5-inch Small Form Factor (SFF)

The 2.5-inch SFF design of the HPE 875591-B21 ensures compatibility with standard drive bays in servers. This compact form factor is advantageous in environments where space optimization is essential, allowing for increased storage density within the server chassis.

Hot Swap Capability

The Hot Swap feature enables users to replace or upgrade the HPE 875591-B21 without shutting down the server. This capability ensures minimal downtime and enhances overall system availability, making it an attractive option for enterprises with continuous operation requirements.

Smart Carrier NVMe (SCN)

The Smart Carrier NVMe technology simplifies drive installation and maintenance. It includes intelligent features that provide status information, allowing administrators to monitor the health and performance of the drive proactively.

Digitally Signed Firmware

The inclusion of digitally signed firmware enhances the security and integrity of the HPE 875591-B21. This ensures that the drive's firmware has not been tampered with, mitigating the risk of unauthorized access and data breaches.

Exploring Form and Function

Physical Specifications

Measuring 2.5 inches in Small Form Factor (SFF), the 875591-B21 is designed to seamlessly integrate into server configurations. Its Hot Swap Smart Carrier allows for easy and convenient replacement without disrupting server operations.

Smart Carrier NVMe (SCN)

The inclusion of a Smart Carrier NVMe ensures not only physical compatibility but also adds an extra layer of intelligence to the drive. This feature contributes to the drive's overall reliability and ease of maintenance.

Digitally Signed Firmware

Security is paramount in server environments. The 875591-B21 comes equipped with digitally signed firmware, providing an added layer of protection against unauthorized access and potential security threats.

Performance Excellence

Data Transfer Speeds

One of the standout features of the 875591-B21 is its impressive data transfer speeds, thanks to the NVMe technology and PCI Express interface. This drive excels in handling large datasets, delivering a smooth and responsive experience for server users.

Application in Read-Intensive Workloads

The 1.92 Terabytes of storage capacity combined with the read-intensive design makes the 875591-B21 particularly well-suited for applications that involve frequent data access, such as database management, content delivery networks, and virtualization environments.

Impact on Server Performance

Servers play a pivotal role in various industries, and their efficiency is often tied to the performance of storage solutions. The 875591-B21's ability to handle read-intensive workloads with speed and reliability directly contributes to improved server performance, resulting in enhanced productivity and reduced latency.

Benefits and Advantages

Enhanced Reliability

The 875591-B21 boasts a design that prioritizes reliability. From the Hot Swap Smart Carrier to the digitally signed firmware, each element is crafted to ensure the drive's longevity and dependability in demanding server environments.


Scalability is a key consideration in modern server architectures. The 1.92 Terabytes of storage capacity offered by the 875591-B21 provides ample room for expansion, accommodating the growing data needs of evolving server infrastructures.

Applications and Use Cases

The HPE 875591-B21 is a 1.92TB NVM Express (NVMe) solid-state drive (SSD) designed for use in enterprise storage systems. It has a form factor of 2.5-inch small form factor (SFF) and is hot-swappable, allowing it to be easily replaced without having to power down the system. The drive connects to the system through a PCI-Express (PCI-E) x4 interface and provides high-speed data transfer for demanding applications. Common use cases for this drive include database applications, virtualization, cloud computing, and high-performance computing (HPC) environments where fast storage performance is critical.

Future Developments and Advancements

876551-B21 is a 1.92TB solid-state drive (SSD) manufactured by Hewlett Packard Enterprise (HPE). It uses the PCI Express (PCI-E) x4 interface and NVM Express (NVMe) protocol, making it suitable for high-performance computing tasks. The drive is 2.5 inches in size and fits in a Small Form Factor (SFF) hot-swappable bay, allowing for easy installation and replacement. In terms of future developments, NVM Express continues to evolve and be updated, which may bring additional performance improvements. Additionally, the trend in the industry is towards larger capacity drives and increased performance, so advancements in SSD technology will likely bring about larger and faster drives in the future.

General Information About the HPE 875591-B21 SSD

  • Manufacturer: HPE
  • Model Number or SKU# 875591-B21
  • Product Type: Solid State Drive
  • Product Name: 1.92 Terabytes
  • Sub-Type: PCI-E

Technical Information of the 1.92 TB Solid State Drive

  • Capacity: 1.92 TB
  • Nand Flash Memory Type: Multi-level Cell (MLC)
  • Form Factor: 2.5 SFF
  • Interface: PCI Express X4 (NVME)
  • Features: Read-intensive Endurance, Digitally Signed Firmware
  • Bundled With: HPE Smart Carrier Nvme
  • Height: 0.3 In


  • Drive Writes Per Day (DWPD): 0.3


  • Proliant Bl460C Gen9, Bl460C Gen9 Base, Bl460C Gen9 Entry, Bl460C Gen9 Performance, Bl660C Gen9, Dl380 Gen9, Dl380 Gen9 Base, Dl380 Gen9 Entry, Dl380 Gen9 High Performance, Dl380 Gen9 Performance, Dl380 Gen9 Scale-up Sap Hana Tailored Datacenter Integration Compute Block, Dl380 Gen9 Special, Dl388 Gen9 (2.5), Dl388 Gen9 Base (2.5), Dl580 Gen10, Dl580 Gen10 Base, Dl580 Gen10 Entry, Dl580 Gen10 Performance, WS460C Gen9, WS460C Gen9 Graphics, WS460C Gen9 Graphics Expansion

Finally, the 875591-B21 1.92TB PCIe NVMe SSD stands out as a robust and efficient storage solution for server environments. With its high capacity, read-intensive design, and advanced features such as hot swap capability and digitally signed firmware, it caters to the evolving needs of modern data-centric applications. Whether deployed in data centers, virtualized environments, or content delivery networks, this SSD delivers the performance and reliability required to meet the demands of today's dynamic computing landscape. Administrators and IT professionals seeking a storage solution that combines speed, reliability, and versatility would find the 875591-B21 SSD a valuable addition to their infrastructure.

Product Condition:
Warranty provided by ALLHDD.COM:
90 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.


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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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