The HP 647875-B21 is a high-performance 8GB DDR3 ECC Registered server memory module designed to deliver reliability, stability, and efficiency for enterprise-level computing environments. Built for servers that demand consistent performance and advanced error correction, this memory upgrade ensures your infrastructure can handle intensive workloads while maintaining data integrity.
When running mission-critical applications, server downtime or memory errors can result in costly interruptions. The 647875-B21 eliminates this concern with its advanced ECC (Error-Correcting Code) technology. ECC memory automatically detects and corrects single-bit memory errors, significantly reducing the risk of data corruption or system crashes. This makes it the ideal choice for businesses that prioritize system uptime and data accuracy.
Powered by DDR3 technology with a frequency speed of PC3-10600 (1333MHz), this module delivers fast data transfer rates while remaining energy-efficient. Compared to standard desktop memory, the HP 647875-B21 is engineered specifically for server environments, where 24/7 reliability and scalability are essential. It supports demanding workloads such as virtualization, database management, data analytics, and cloud computing applications.
Key Features of HP 647875-B21:
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Capacity: 8GB DDR3 SDRAM
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Type: ECC Registered (RDIMM)
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Speed: PC3-10600 (1333 MHz)
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Form Factor: DIMM 240-pin
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Error Correction: ECC support for enhanced data reliability
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Compatibility: Designed for HP ProLiant and enterprise-class servers
The 647875-B21 not only improves performance but also enhances multitasking capabilities. With 8GB of dedicated server memory, your system can handle multiple applications simultaneously without bottlenecks. Whether you’re running virtualization platforms like VMware or Hyper-V, managing complex databases, or hosting web services, this memory module provides the stability and responsiveness your workloads require.
Another strength of the HP 647875-B21 is its Registered DIMM (RDIMM) architecture. Unlike unbuffered modules, RDIMMs include a register between the DRAM modules and the system’s memory controller. This helps stabilize the system’s electrical load, enabling higher scalability and allowing more memory modules to be installed without reducing performance. This makes it an excellent choice for businesses planning future upgrades or expansions.
Why Choose HP 647875-B21?
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Reliability: Backed by HP’s strict quality control standards, ensuring durability and error-free operation.
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Performance: 1333MHz speed ensures quick access to data and smooth server performance.
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Scalability: Registered memory design allows your server to handle more modules, increasing total system memory.
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Data Protection: ECC error correction keeps your data accurate and reduces downtime risks.
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Compatibility: Optimized for HP servers, ensuring seamless integration and maximum efficiency.
The HP 647875-B21 is also energy-efficient, making it a smart investment for organizations focused on reducing power consumption without compromising performance. Lower power usage translates to reduced cooling requirements and operational costs, an essential factor for large-scale data centers.
Ideal Use Cases:
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Enterprise Servers: Reliable memory for HP ProLiant and other enterprise-class servers.
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Virtualization: Smooth performance for VMware, Hyper-V, or Citrix environments.
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Database Management: Handles high-transaction workloads with consistency.
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Cloud Computing: Supports scalable applications with stability and efficiency.
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Business-Critical Applications: Reduces risk of downtime in high-demand industries.
Conclusion:
The HP 647875-B21 8GB DDR3 ECC Registered Memory Module is a proven solution for IT professionals and businesses looking to improve server performance, stability, and reliability. With ECC technology, RDIMM architecture, and HP-certified compatibility, it ensures your servers run smoothly, securely, and efficiently.
By investing in the 647875-B21, you’re not only upgrading memory—you’re strengthening your IT infrastructure against errors, downtime, and inefficiency. It’s the perfect choice for organizations that require a dependable, future-proof server memory solution.

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