HPE 805347-B21 8GB Memory PC4-19200
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HPE 805347-B21 8GB RAM 2400mhz Pc4-19200 Cl17 Ecc Registered Bulk

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Part Number#: 805347-B21
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Short Description:
805347-B21 8 Gigabytes(GB) (1X8GB) 2400 Megahertz (MHz) Pc4-19200t-r Cas-17 Error correction code (ECC) Registered Single Rank X8 Double Data Rate 4 (DDR4) SDRAM 288-Pin Rdimm Memory Module Gen9 for Server | Made by HPE | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Product overview for the HPE 805347-B21

In the fast-paced world of server technology, having reliable and efficient memory modules is crucial for optimal performance. One such component that plays a vital role in server functionality is the HPE 805347-B21 8GB DDR4 memory module. In this comprehensive guide, we will delve into the intricacies of this memory module, exploring its specifications, features, and the significance it holds for server systems.

HPE 805347-B21 Memory Module

The HPE 805347-B21 is an 8GB DDR4 memory module designed specifically for servers. Servers, which are the backbone of IT infrastructure, require high-performance memory to handle complex tasks, applications, and data processing. This particular module is part of the Gen9 series, indicating its compatibility with Generation 9 servers from Hewlett Packard Enterprise (HPE).

DDR4 Technology Overview

Before delving into the specifics of the HPE 805347-B21, let's understand DDR4 technology. DDR4, or Double Data Rate 4, is the fourth generation of synchronous dynamic random-access memory (SDRAM). It is an improvement over its predecessor, DDR3, offering higher data transfer rates, lower power consumption, and increased module density.

2400MHz Speed and PC4-19200T-R Standard

The HPE 805347-B21 operates at a speed of 2400MHz. The speed of a memory module, measured in megahertz (MHz), indicates how quickly data can be read from or written to the memory. A higher MHz value generally translates to faster performance, making it suitable for handling demanding workloads.

The PC4-19200T-R standard is associated with DDR4 modules and signifies a peak data transfer rate of 19200 megabytes per second. This standard ensures that the memory module can handle a substantial amount of data throughput, contributing to the overall efficiency of the server.

ECC Registered and Single Rank X8

The HPE 805347-B21 memory module incorporates an Error-Correcting Code (ECC) and follows a registered design. ECC is a crucial feature in server memory, providing an additional layer of data integrity by detecting and correcting single-bit errors. This is particularly important in mission-critical applications where data accuracy is paramount.

The single-rank X8 configuration refers to the organization of memory chips on the module. In this case, the memory module is a single rank, meaning that the memory chips are arranged on one side of the module. The X8 designation indicates that each memory chip has an 8-bit data width.

288-Pin RDIMM Form Factor

The HPE 805347-B21 comes in the RDIMM (Registered Dual In-Line Memory Module) form factor. The 288-pin configuration refers to the number of electrical contacts on the module. The RDIMM design, coupled with the registered feature, enhances stability and reliability, making it suitable for server environments where consistent performance is critical.

Compatibility with Gen9 Servers

The Gen9 designation in the HPE 805347-B21's nomenclature signifies its compatibility with Generation 9 servers from Hewlett Packard Enterprise. Gen9 servers are known for their advanced features, improved performance, and scalability. Choosing memory modules specifically designed for Gen9 servers ensures optimal compatibility and performance.

Importance of Upgrading Server Memory

Upgrading server memory is a strategic decision that can have a significant impact on overall system performance. Insufficient memory can lead to performance bottlenecks, slowdowns, and even system crashes, especially in scenarios where servers handle resource-intensive applications or virtualization workloads.

Enhanced Performance and Workload Handling

The HPE 805347-B21, with its 8GB capacity and DDR4 technology, contributes to enhanced server performance. The increased data transfer rates and ECC capabilities make it well-suited for handling diverse workloads, including virtualization, databases, and high-performance computing tasks.

Improved Reliability and Data Integrity

The ECC and registered design of the HPE 805347-B21 are instrumental in improving the reliability and data integrity of the server. ECC ensures that data errors are detected and corrected in real-time, reducing the risk of data corruption. The registered design adds an extra layer of stability, making it ideal for critical applications where data accuracy is non-negotiable.


Proper installation and configuration of memory modules are crucial to ensuring optimal performance and system stability. When incorporating the HPE 805347-B21 into a server system, it's essential to adhere to manufacturer guidelines and best practices.

Consult Server Documentation

Before installation, refer to the documentation provided by the server manufacturer. This documentation often contains detailed instructions on memory module compatibility, installation procedures, and any specific configurations required for optimal performance.

Population Rules and Mixing Considerations

Server memory modules are often installed in specific slots on the motherboard, following population rules outlined in the server documentation. Additionally, mixing memory modules with different specifications or capacities should be done cautiously, as it can affect system stability and performance.

Firmware and BIOS Updates

Ensuring that the server's firmware and BIOS are up to date is critical when adding new memory modules. Manufacturers often release updates that address compatibility issues and introduce optimizations for new hardware. Regularly checking for and applying these updates can prevent potential issues and ensure a smooth integration process.

General Information about the HPE 805347-B21

  • Manufacturer: HPE
  • Model Number or SKU# 805347-B21
  • Type: Memory (RAM)
  • RAM Type: Pc4-19200
  • Product Name: 8GB DDR4 SDRAM Memory Module

Technical Information for the 8GB DDR4 RAM

  • Storage Capacity: 8GB
  • Memory Technology: DDR4 SDRAM
  • Number Of Modules: 1 X 8GB
  • Bus Speed: 2400mhz DDR4-2400/PC4-19200
  • Data Integrity Check: ECC
  • Signal Processing: Registered
  • Cas Latency Timings: Cl17
  • Features: 1rx8
  • Form Factor: 288-Pin Rdimm

Compatibility of 8GB Memory Module

  • Apollo 4520 Gen9, Proliant Dl120 Gen9, Dl160 Gen9, Dl180 Gen9, Dl360 Gen9, Dl380 Gen9, Dl388 Gen9, Dl580 Gen9, Dl60 Gen9, Dl80 Gen9, Ml110 Gen9, Ml150 Gen9, Ml350 Gen9, Ws460c Gen9, Xl190r Gen9, Storeeasy 1450, 1850, 3850, Synergy 480 Gen9, 620 Gen9, 660 Gen9, 680 Gen9

In summary, the HPE 805347-B21 8GB DDR4 memory module stands out as a reliable and high-performance solution for servers, especially those belonging to the Gen9 series. Its DDR4 technology, ECC capabilities, and registered design make it well-suited for demanding server environments where data accuracy, reliability, and speed are paramount.

Server administrators and IT professionals looking to enhance the performance of their Gen9 servers should consider the HPE 805347-B21 as a viable memory upgrade option. By understanding the specifications, features, and installation considerations outlined in this guide, they can make informed decisions to optimize their server infrastructure for present and future workloads.

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

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.


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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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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).

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