864707-591 HPE DDR4 16GB SDRAM 2666Mhz PC4-21300 CL19 ECC RDIMM

Overview of HPE 864707-591 16GB PC4-21300 288-Pin Memory

The HPE 864707-591 16GB 2666MHz PC4-21300 CL19 ECC DDR4 SDRAM 288-Pin RDIMM memory module is a high-performance server memory solution engineered for exceptional reliability, stability, and speed within modern enterprise environments. Purpose-built for HPE ProLiant and other supported server platforms, this memory module provides the balance of capacity, bandwidth, error correction, and Registered DIMM functionality required by demanding workloads. Its DDR4 architecture and 2666MHz operating frequency deliver improved data rates and reduced latency compared to earlier memory standards, while the ECC function safeguards mission-critical data with precise error detection and correction.

DDR4 Technology and Data Processing

The HPE 864707-591 memory module leverages the advancements of DDR4 technology to provide faster data transfer, lower voltage operation, and improved thermal efficiency over legacy memory systems. Operating at 2666MHz, this PC4-21300 module increases available bandwidth and enables quicker data access, enhancing overall server responsiveness across a wide range of applications. The higher transfer rates associated with DDR4 memory improve communication between the CPU and RAM, ensuring smooth performance even as workloads scale in complexity. DDR4 modules work efficiently under high loads due to their optimized internal architecture, improved prefetch capabilities, increased burst length, and stronger error correction pathways. These enhancements empower servers equipped with HPE 864707-591 memory to operate efficiently during virtualization, multi-threaded processes, and large-scale data manipulation tasks.

ECC for Maximum Data Integrity

One of the defining features of the HPE 864707-591 memory module is its ECC error correction capability. ECC memory prevents data corruption by detecting and correcting single-bit errors before they disrupt processes. In highly sensitive enterprise environments where data integrity is paramount, ECC memory plays a crucial role in ensuring stable continuous operation. This module reduces risks associated with memory faults, system crashes, and data inaccuracies. ECC memory is especially important in systems handling financial analytics, healthcare databases, engineering simulations, virtualization clusters, and AI-driven computations. It allows organizations to maintain operational precision and reliability, avoiding disruptions caused by memory-related failures. ECC technology is embedded within the architecture of this RDIMM module to guarantee correct data delivery at all times.

CL19 Latency and Consistent Memory Access Timing

The CAS Latency (CL19) specification of the HPE 864707-591 memory module ensures that memory commands are executed within predictable cycles, providing reliable and consistent timing performance across server workloads. While CAS latency values describe the number of cycles required before data becomes available after a read command, actual performance depends on both frequency and architectural efficiency. With its 2666MHz frequency, the CL19 latency supports smooth data access, minimized wait cycles, and efficient memory throughput, particularly in systems under heavy load. This predictable latency ensures that high-performance servers maintain balanced execution across processes and that task scheduling remains optimized. In virtualized and multi-tenant environments, stable latency is essential for delivering reliable performance across simultaneous users or applications.

Signal Stability Through Registered DIMM Design

The Registered DIMM (RDIMM) design of the HPE 864707-591 improves memory signal stability and supports simultaneous operation of multiple modules within the same server channel. The inclusion of a register reduces the electrical load on the memory controller, enabling higher-density configurations without compromising performance. RDIMM modules provide superior scalability compared to unbuffered memory and are a key component in enterprise environments requiring large memory pools. The stability offered by RDIMM architecture ensures that even when servers are equipped with extensive memory arrays, signal integrity remains consistent, preventing errors and maintaining high bandwidth. This architecture enables enterprise systems to expand their memory capacity significantly while maintaining reliable, predictable performance.

Modern Server Environments

The HPE 864707-591 16GB DDR4 2666MHz memory module is engineered to deliver exceptional performance in a wide variety of modern enterprise applications. Its bandwidth and reliability characteristics make it an ideal choice for virtualized workloads, database-driven tasks, application hosting, cloud computing infrastructures, and computational platforms serving large-scale data processing needs. Servers equipped with this memory module benefit from higher responsiveness, faster data cycling, and improved workload concurrency. The DDR4 architecture ensures efficient use of power, reducing operational costs while providing necessary performance for mission-critical tasks. This memory module ensures servers can manage real-time analytics, machine learning processes, high-speed financial computations, and multi-user applications without degradation in performance.

Database Operations

Databases require rapid access to data stored in memory, low latency, and consistent throughput, especially during peak activity. The HPE 864707-591 memory module ensures that relational databases, NoSQL platforms, and in-memory database systems function at optimal speeds. Its 2666MHz bandwidth reduces data retrieval times and speeds up transaction processing. For systems involved in online transaction processing (OLTP), online analytical processing (OLAP), and hybrid transactional analytical processing (HTAP), memory performance directly impacts overall throughput. This memory module supports high-frequency reads and writes, complex query operations, multi-user workloads, and large-scale analytics tasks without latency spikes or data inconsistencies. Its ECC capability ensures accurate calculations and prevents data corruption, delivering mission-critical stability.

Cloud Computing and Distributed System

Cloud computing environments require scalable, resilient memory solutions capable of supporting multiple simultaneous processes, tenant workloads, and distributed computing operations. The HPE 864707-591 memory module is ideal for these environments as it delivers consistent performance, reliable error correction, and optimized energy efficiency. Distributed systems often depend on stable memory bandwidth to maintain data synchronization, replication, load balancing, and task scheduling. This module supports these operations by ensuring predictable, uninterrupted memory access across every node in the network. Organizations hosting cloud applications, SaaS platforms, or hybrid environments benefit from the module’s stability and performance in high-density deployments.

Lower Voltage DDR4 Design

The DDR4 architecture used in the HPE 864707-591 operates at a lower voltage compared to DDR3, resulting in reduced power draw and lower thermal output. This reduced voltage enhances system stability and conserves energy without sacrificing performance. Lower energy usage improves sustainability metrics for enterprises and helps organizations maintain efficient data center operations. Lower power draw also decreases the need for aggressive cooling strategies, enabling servers to run more quietly and efficiently in high-density installations. Overall, the reduced voltage operation contributes to a more balanced, sustainable IT infrastructure.

Thermal Stability in Multi-Memory Configurations

In multi-module memory configurations, thermal management becomes critical due to the dense packing of DIMMs within the server chassis. The HPE 864707-591 memory module is designed to remain thermally stable even when numerous modules are installed side by side. The improved internal layout, low-power operation, and efficient heat dissipation mechanisms ensure the module stays within safe temperature ranges during peak load cycles. This stability is essential for data centers with multiple servers running continuous workloads. With consistent thermal management, this memory module helps prevent overheating, throttling, and unexpected downtime.

Improved Component Longevity

The energy-efficient and thermally stable design of the HPE 864707-591 increases the long-term lifespan of the memory module. By reducing stress on the electrical components and decreasing heat production, the memory operates within optimal conditions for extended periods. Organizations benefit from improved reliability, reduced maintenance, and fewer component replacements. The longevity of memory modules is essential in environments requiring continuous uptime, ensuring that systems remain operational for years without degradation in performance.

HPE Servers and Enterprise Platforms

The HPE 864707-591 memory module is fully validated and certified for use with HPE ProLiant servers and other supported enterprise systems. HPE testing procedures guarantee compatibility with system firmware, memory controllers, and electrical standards. Users deploying this memory module within HPE servers can rely on assured performance, reduced error rates, and seamless integration into their infrastructures. This compatibility ensures that system administrators can confidently expand memory capacities and optimize performance without concerns over system instability. HPE-certified memory provides a level of assurance that third-party or unverified memory cannot match.

Firmware and BIOS Integration

Because the HPE 864707-591 is designed specifically for HPE server platforms, it integrates seamlessly with HPE BIOS and firmware-level memory optimization features. These optimizations ensure efficient memory timing control, error handling, and advanced memory settings based on system configurations. The module works with HPE SmartMemory technologies to unlock enhanced thermal, performance, and reliability features unavailable when using non-HPE-validated memory. This level of firmware integration ensures the highest possible performance and stability within supported systems.

Multi-Module Expansion

The RDIMM structure of the HPE 864707-591 enables high-density memory expansion within multi-slot server configurations. With reduced electrical load and improved signal stability, the module allows servers to scale memory capacity efficiently. This benefits organizations requiring large memory pools for virtual machines, in-memory databases, AI workloads, or distributed systems. The ability to expand memory capacity without encountering instability or reduced performance ensures long-term scalability for growing enterprises and evolving applications.

Ensuring Enterprise-Level Stability and Reliability

When used in HPE-validated environments, the HPE 864707-591 offers enterprise-level stability and reliability, essential for mission-critical systems. The module meets rigorous quality, durability, and performance standards, ensuring consistent operation even under demanding conditions. Certification ensures minimal risk of compatibility issues, system crashes, or unpredictable behavior. This reliability is crucial in environments where downtime is unacceptable, such as financial institutions, healthcare systems, telecommunications networks, and cloud service platforms.

Across Industry and Application Types

The HPE 864707-591 memory module supports a broad range of industries and application environments, offering the speed, reliability, and scalability required for modern enterprise workloads. Its capabilities align well with sectors such as finance, scientific research, data analytics, artificial intelligence, cloud service delivery, virtualization platforms, telecommunications, and enterprise resource planning systems. Organizations operating in these fields rely on memory stability and throughput to maintain optimal workflow performance and deliver real-time results. The module’s ECC, RDIMM stability, efficient DDR4 architecture, and high-frequency operation ensure dependable performance across all supported workloads.

Scientific and Engineering Applications

Scientific and engineering workloads rely heavily on memory for processing simulations, modeling complex systems, analyzing massive datasets, and executing multi-threaded operations. The HPE 864707-591 provides the performance needed for these tasks with its high-speed bandwidth, reliable error correction, and stable RDIMM architecture. Researchers and engineers working with physics simulations, chemical modeling, genome sequencing, and high-performance computing environments benefit from memory that delivers consistent accuracy and efficiency. The module’s robust data integrity ensures accurate results and prevents computational interruptions.

Enterprise Resource Planning and Business Applications

ERP systems and enterprise software suites depend heavily on system memory for managing user operations, application execution, reporting, analytics, and integration tasks. Memory outages or latency spikes can impact business productivity and system responsiveness. The HPE 864707-591 provides the high bandwidth and stable operation necessary for ERP software such as SAP, Oracle ERP, Microsoft Dynamics, and other enterprise applications. With ECC protection, the module ensures that the data processed through these applications remains accurate and reliable. Stable memory performance enhances user experience, improves data processing speed, and ensures that mission-critical business operations run without interruption.

Infrastructure Scalability

Investing in the HPE 864707-591 memory module provides long-term value for organizations striving to build scalable, future-ready IT infrastructures. Its DDR4 technology, RDIMM stability, and ECC reliability ensure it will continue to support evolving workloads effectively. As organizations grow and require more powerful servers, the scalability of this module allows memory capacity to expand without degrading performance. The energy-efficient design reduces operational costs, while its long lifespan ensures dependable operation over many years. This memory module supports both current and future application demands, making it a valuable asset for enterprise data centers and high-performance computing environments.

Evolving Workloads

Modern workloads evolve rapidly as organizations adopt new technologies and shift toward cloud-native platforms, artificial intelligence, automation, and advanced analytics. The HPE 864707-591 memory module provides the foundation necessary to support these evolving demands with high performance, reliable stability, and large-scale scalability. Its architecture ensures that servers can adapt to increases in data volume, user traffic, and computational complexity without requiring immediate hardware replacement. This forward-looking compatibility is essential for organizations focusing on long-term digital transformation strategies.

High-Density Deployments

Data centers and enterprise server rooms often install large numbers of memory modules to support virtualization clusters, analytics engines, cloud resources, and business-critical applications. The RDIMM architecture of the HPE 864707-591 allows for high-density configurations without sacrificing signal integrity or stability. The reliability and throughput of this module ensure that even densely populated servers maintain consistent performance levels under heavy use. This ability to support large-scale applications drives efficiency and reliability across the entire IT infrastructure, enabling organizations to meet the demands of modern workloads with confidence.