HPE 805351-B21 32GB Memory PC4-19200
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HPE 805351-B21 32GB Pc4-19200 Memory DDR4 SDRAM 2400mhz New

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Part Number#: 805351-B21
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Short Description:
805351-B21 32 Gigabytes(GB) (1X32GB) 2400 Megahertz (MHz) Pc4-19200 Cas-17 Ecc Registered Dual Rank X4 Double Data Rate 4 (DDR4) Synchronous Dynamic Random Access Memory (SDRAM) 288-pin Dimm Genuine Smart Memory Proliant Gen9 for Server | Made by HPE | New Sealed Spare
Product Condition:
New Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product overview for the HPE 805351-B21

In the ever-evolving landscape of information technology, server memory plays a critical role in ensuring the optimal performance and reliability of server systems. One such component that stands out is the HPE 805351-B21 32GB DDR4 SDRAM. In this comprehensive guide, we will delve into the intricacies of this memory module, breaking down its specifications, features, and applications.

Understanding the Basics

HPE 805351-B21 is a specific model of DDR4 SDRAM designed by Hewlett Packard Enterprise (HPE). DDR4, or Double Data Rate 4, is the fourth generation of the DDR Synchronous Dynamic Random-Access Memory (SDRAM) family. This particular module is noteworthy for its 32GB capacity, making it suitable for memory-intensive applications in server environments.

Key Specifications

Let's break down the key specifications of the HPE 805351-B21:

  • Capacity: The module boasts a 32GB capacity, which signifies its ability to store and retrieve a substantial amount of data.
  • Speed: Operating at 2400 MHz, the memory module offers a rapid data transfer rate, contributing to improved system responsiveness.
  • CAS Latency: With a CAS latency of 17, this module efficiently processes data with minimal delay, enhancing overall system performance.
  • ECC Registered: The memory module features Error-Correcting Code (ECC) functionality, crucial for detecting and correcting data errors, thereby ensuring data integrity.
  • Dual Rank X4: The dual-rank configuration indicates the organization of memory banks on the module, impacting data access speed and efficiency.
  • DDR4 SDRAM: As a DDR4 module, it adheres to the latest industry standards, providing improved data transfer rates and energy efficiency compared to its predecessors.
  • 288-pin DIMM: The 288-pin Dual In-Line Memory Module (DIMM) form factor ensures compatibility with systems designed to accommodate this type of memory.
Use Case: Proliant Gen9 Servers

The HPE 805351-B21 is specifically engineered for compatibility with Proliant Gen9 servers. Proliant Gen9 is a line of servers developed by Hewlett Packard Enterprise, renowned for its reliability, performance, and scalability. The integration of the HPE 805351-B21 into Proliant Gen9 servers enhances their memory capabilities, making them suitable for a wide range of applications, from data centers to enterprise-level computing.

Features and Benefits

The 2400 MHz speed of the HPE 805351-B21 ensures swift data transfer within the server system. This high-speed performance is crucial for tasks that demand quick access to large datasets, such as virtualization, database management, and complex computations.

Data Integrity Assurance

The ECC Registered feature of this memory module is paramount for maintaining data integrity. In a server environment where data accuracy is non-negotiable, ECC plays a pivotal role by identifying and rectifying errors that may occur during data storage or retrieval.


With a generous 32GB capacity, the HPE 805351-B21 supports the scalability requirements of modern server applications. As businesses grow and their data processing needs increase, having memory modules with ample capacity becomes imperative. The 32GB capacity of this module caters to the demands of resource-intensive tasks and applications.

Dual Rank Configuration

The dual-rank configuration enhances memory efficiency by organizing memory banks in a way that optimizes data access. This feature is particularly beneficial in scenarios where multiple applications or processes are running simultaneously, as it ensures efficient data retrieval without compromising on speed.

DDR4 Advancements

Being a DDR4 SDRAM module, the HPE 805351-B21 leverages the advancements introduced by DDR4 technology. These include higher data transfer rates, improved energy efficiency, and increased overall system performance compared to earlier DDR generations.


Installing the HPE 805351-B21 is a straightforward process, typical of most DDR4 DIMM modules. Here are the general steps involved:

Power Off the Server

Before adding or replacing any memory module, it is essential to power off the server. This ensures safety and prevents any potential damage to the hardware.

Identify the DIMM Slots

Proliant Gen9 servers typically have multiple DIMM slots. Identify the appropriate slots for installing the new memory module. Consult the server's documentation for guidance on memory slot configurations.

Ground Yourself

To avoid static electricity discharge that could harm the module, ground yourself by touching a metal part of the server chassis before handling the memory module.

Align and Insert

Align the notches on the memory module with the corresponding notches on the DIMM slot. Gently but firmly press down on the module until it clicks into place.

Power On and Verify

After installing the memory module, power on the server and verify its recognition in the system. Most servers provide options to check hardware configurations during the boot-up process.


The HPE 805351-B21 is explicitly designed for compatibility with Proliant Gen9 servers. However, it's crucial to verify compatibility with specific server models and configurations. Before purchasing, consult the server's documentation or HPE's official compatibility list to ensure seamless integration.

General Information about HPE 805351-B21
  • Manufacturer: HPE
  • Model Number or SKU# 805351-B21
  • Type: Memory (RAM)
  • RAM Type: PC4-19200
  • Product Name: 32GB DDR4 SDRAM Memory Module
Technical Information for the 32GB DDR4 RAM
  • Storage Capacity: 32GB
  • Memory Technology: 32GB DDR4 SDRAM
  • Number Of Modules: 1 X 32GB
  • Bus Speed: 2400mhz DDR4-2400/PC4-19200
  • Data Integrity Check: ECC
  • Signal Processing: Registered Dual In-Line Memory Module (Rdimm)
  • Cas Latency Timings: Cl17
  • Features: 2rx4
  • Form Factor: 288-pin Dimm
Compatibility of 32GB DDR4 Memory
  • Apollo 2000/Apollo 4200/Apollo 4500/Apollo 8000/Bl460c Gen9/Blc7000/Dl60 Gen9/Dl80 Gen9/Dl120 Gen9/Dl160 Gen9/Dl180 Gen9/Dl360 Gen9/Dl380 Gen9/Dl388 Gen9(Bto)/Dl388 Gen9/Dl560 Gen9/Dl580 Gen9/Dl60 Gen9/Ec200a D1518/Ml110 Gen9/Ml150g5/Ml150 Gen9/Ml350 Gen9/Synergy 480 Gen9/Sy 620 Gen9/Sy 680 Gen9

In summary, the HPE 805351-B21 32GB DDR4 SDRAM is a robust memory module designed to meet the demanding requirements of modern server environments. Its impressive specifications, including high speed, ECC functionality, dual rank configuration, and ample capacity, make it a valuable addition to Proliant Gen9 servers.

Whether you are managing a data center, running virtualized applications, or handling complex computational tasks, the HPE 805351-B21 contributes to enhanced performance, data integrity, scalability, and overall efficiency. The installation process is user-friendly, and its compatibility with Proliant Gen9 servers ensures a seamless integration experience.

Investing in reliable and high-performance memory modules is a critical aspect of optimizing server infrastructure, and the HPE 805351-B21 stands out as a commendable choice for businesses and enterprises seeking to bolster their server capabilities.

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

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