HP 647651-081 8GB Memory PC3-12800
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HP 647651-081 8GB Memory Module 1600MHz CL11 PC3-12800 DDR3 New

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Part Number#: 647651-081
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Short Description:
647651-081 8 Gigabytes(GB) 1X8GB 1600 Megahertz (MHz) PC3-12800 CL11 Single Rank ECC Registered Double Data Rate 3 (DDR3) Synchronous Dynamic Random Access Memory (SDRAM)DIMM Memory for Proliant G8 Server | Made by HP | Brand New 3 Years Warranty
Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Product overview for the HP 647651-081

In the realm of server hardware, the importance of reliable and efficient memory cannot be overstated. The HP 647651-081 8GB 1600MHz PC3-12800 CL11 Single Rank ECC Registered DDR3 SDRAM DIMM Memory is a significant component designed for Proliant G8 servers. This comprehensive guide aims to shed light on the key features, specifications, benefits, and applications of this memory module in simple English, making it accessible to both tech enthusiasts and those new to server hardware.

Understanding the Basics: HP 647651-081 8GB (1X8GB) Memory Module

The HP 647651-081 memory module is specifically engineered for Proliant G8 servers, ensuring compatibility and optimal performance within these server systems. It comes equipped with 8GB of memory, featuring a single rank configuration with ECC (Error-Correcting Code) and Registered capabilities.


  • Capacity: The module boasts an 8GB capacity, providing ample memory for handling diverse server workloads.
  • Speed: Operating at a frequency of 1600MHz, this memory module ensures swift data access and processing, contributing to the overall efficiency of the server.
  • Type: It belongs to the DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic Random Access Memory) category, a widely used and reliable memory technology in server environments.
  • CAS Latency: With a CAS latency of 11 (CL11), the module strikes a balance between speed and reliability, making it suitable for various server applications.
  • Rank: Being a single rank module, it is optimized for performance in systems with specific memory configurations.
  • ECC and Registered: The ECC and Registered features enhance the module's reliability and stability by detecting and correcting memory errors and ensuring proper communication between the memory module and the server.


The HP 647651-081 memory module is tailored to seamlessly integrate with Proliant G8 servers. Its design and specifications align with the requirements of these servers, providing a hassle-free upgrade or replacement option for users looking to enhance their server's memory capacity.

Benefits of HP 647651-081 Memory Module

Enhanced Performance

  • Speed and Efficiency: The 1600MHz operating frequency ensures that data is processed quickly, reducing latency and enhancing overall server performance.
  • Reliability: ECC capability detects and corrects errors in real time, preventing data corruption and system crashes. This is particularly crucial in mission-critical server environments where data integrity is paramount.
  • Stability: The Registered feature helps stabilize the communication between the memory module and the server, minimizing the risk of system instability and crashes.

Scalability and Future-Proofing

  • 8GB Capacity: The 8GB capacity provides room for scalability, allowing servers to handle increasing workloads and applications.
  • DDR3 Technology: While newer DDR4 and DDR5 technologies are emerging, DDR3 remains a cost-effective and reliable option for many server applications. This module allows users to extend the life of their Proliant G8 servers without compromising on performance.
Easy Integration
  • Plug-and-Play: Designed for hassle-free, the memory module follows a plug-and-play approach, simplifying the installation process for users with varying levels of technical expertise.
  • Proliant G8 Compatibility: Tailored specifically for Proliant G8 servers, this module ensures compatibility without the need for additional configurations or adjustments.
Applications in Proliant G8 Servers

The HP 647651-081 memory module finds applications in various scenarios within Proliant G8 servers, catering to a broad range of computing needs.

  • Virtualization: In virtualized server environments, where multiple virtual machines run concurrently, having an adequate and reliable memory is crucial for smooth operation. The 8GB capacity and ECC features make this module well-suited for virtualization workloads.
  • Database Management: Servers handling databases, which often involve intensive read and write operations, benefit from the high-speed processing capabilities of the 1600MHz frequency. The ECC ensures data integrity, critical in database management scenarios.
  • Web Hosting: For servers engaged in web hosting services, where rapid data access is essential for serving website content efficiently, the high speed and reliability of this memory module contribute to seamless performance.
  • Compute-Intensive Tasks: Applications involving heavy computational tasks, such as scientific simulations or complex calculations, benefit from the combination of high capacity and speed provided by this memory module.

Main Information about the HP 647651-081

  • Manufacturer: HP
  • Model Number or SKU# 647651-081
  • Type: Memory (RAM)
  • RAM Type: PC3-12800
  • Product Name: 8GB DDR3 SDRAM Memory Module

Technical Information for the 8GB DDR3 RAM

  • Storage Capacity: 8GB
  • Memory Technology: DDR3 SDRAM
  • Chips Organization: X4
  • Number Of Modules: 1 X 8GB
  • Bus Speed: 1600mhz DDR3-1600/PC3-12800
  • Ram Features: Single Rank
  • Data Integrity Check: ECC
  • Signal Processing: Registered
  • Cas Latency Timings: Cl11
  • Supply Voltage: 1.5 V
  • Type: Dram
  • Upgrade Type: System Specific
  • Platform Support: HP Proliant Server
  • Form Factor: 240-Pin Dimm

Compatibility of 8GB Memory Module

  • HPE Proliant Bl420c Gen8, Bl460c Gen8, Bl660c Gen8, Dl160 Gen8, Dl360e Gen8, Dl360p Gen8, Dl380e Gen8, Dl380p Gen8, Ml350e Gen8, Ml350p Gen8, Sl230s Gen8, Sl250s Gen8, Sl270s Gen8, Ws460c Gen8

In short, the HP 647651-081 8GB (1X8GB) 1600MHz PC3-12800 CL11 Single Rank ECC Registered DDR3 SDRAM DIMM Memory stands out as a reliable and efficient solution for enhancing the performance of Proliant G8 servers. Its blend of high capacity, speed, reliability features like ECC, and compatibility with Proliant G8 servers make it a versatile choice for various server applications.

Whether you are looking to upgrade your server's memory for virtualization, database management, web hosting, or compute-intensive tasks, this memory module offers a well-rounded solution. Its ease of integration and installation, coupled with the scalability it provides, make it a valuable investment for users seeking to optimize their server infrastructure.

By understanding the key specifications, benefits, and applications of the HP 647651-081 memory module, users can make informed decisions to meet their specific server memory needs, ensuring a stable and efficient computing environment.

Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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