835955-B21 HPE 16GB DDR4 SDRAM PC4-21300 2666mhz Cl19 Ecc Reg Memory

HPE 835955-B21 16GB DDR4 2666MHz PC4-21300 2Rx8 ECC 288-Pin RDIMM Memory Overview

The HPE 835955-B21 16GB DDR4-2666MHz PC4-21300 2Rx8 ECC 288-Pin RDIMM Memory module is a high-performance memory solution designed for enterprise-class HPE servers, ensuring optimal reliability, speed, and scalability. This RDIMM module is engineered to deliver robust performance for data-intensive applications, virtualized environments, and cloud computing platforms, making it ideal for businesses requiring consistent uptime and high-speed memory access. With DDR4 technology, ECC error correction, and a 2Rx8 dual-rank configuration, the 835955-B21 module provides a balanced solution for both high-performance computing and energy-efficient operation in demanding IT infrastructures.

DDR4-2666MHz High-Speed Memory Performance

The HPE 835955-B21 operates at a high frequency of 2666MHz, offering faster data transfer rates than previous DDR3 or lower-frequency DDR4 modules. This enhanced speed allows enterprise servers to handle demanding workloads with reduced latency, improving application responsiveness and overall server efficiency. The PC4-21300 designation ensures that the module can sustain bandwidth-intensive operations, such as database transactions, virtualization, and large-scale analytics.

Bandwidth for Enterprise Applications

High-bandwidth memory is essential for modern enterprise applications that process large datasets, support multiple virtual machines, or manage high-transaction environments. The HPE 835955-B21 module ensures efficient data flow and minimal bottlenecks, providing the required bandwidth for compute-heavy tasks. It is particularly well-suited for servers running ERP systems, real-time analytics platforms, and large-scale virtualization clusters where consistent performance is critical.

Reduced Latency

Latency is a critical factor in memory performance, and the 835955-B21 module minimizes access delays through advanced DDR4 architecture. Faster memory access translates into improved server efficiency, enabling databases, cloud applications, and computational workloads to execute more rapidly. This reduction in latency ensures that mission-critical operations can proceed smoothly, even under peak load conditions.

Registered DIMM (RDIMM) Technology

The 835955-B21 is a Registered DIMM (RDIMM), which means it includes a register between the memory controller and DRAM chips to buffer control signals. This register reduces electrical load on the memory controller, allowing servers to support higher memory densities and more memory modules per channel. RDIMM technology enhances system stability and scalability, particularly in multi-socket server environments.

Scalable Memory Architecture

Enterprise servers often require high-capacity memory configurations to meet growing business needs. The dual-rank 2Rx8 design of the HPE 835955-B21 allows for scalable memory deployment, supporting large datasets and high-density workloads. This scalability ensures that servers can maintain high performance as memory demands increase over time, without compromising stability or reliability.

Enterprise Reliability and Stability

RDIMM modules, such as the HPE 835955-B21, provide enhanced electrical and thermal stability compared to unbuffered memory. By buffering signals, RDIMMs reduce stress on the memory controller, which minimizes the risk of memory errors in high-density configurations. This reliability is critical for data centers and mission-critical applications where uptime and performance consistency are paramount.

HPE Servers

The 835955-B21 module is fully validated for HPE ProLiant and Apollo server families, ensuring seamless integration and optimal performance. Its 288-pin design, ECC support, and RDIMM architecture make it a plug-and-play memory solution, simplifying upgrades and expansions. Compatibility guarantees predictable performance, minimal configuration effort, and full support from HPE server management utilities.

Operation for Data Center

Reducing power consumption in enterprise memory modules not only lowers electricity costs but also contributes to sustainable IT practices. The HPE 835955-B21 module optimizes performance per watt, providing high-speed memory access without excessive power draw. Data centers benefit from reduced cooling requirements and more efficient server operation.

Thermal Stability and Longevity

Maintaining thermal stability under sustained workloads is essential for memory longevity and reliable server operation. The 835955-B21 module is engineered to operate efficiently in a variety of server environments, providing consistent performance without overheating. This stability extends the lifespan of the module and the overall system, protecting enterprise investments.

Continuous Workloads

Memory modules in enterprise servers must handle continuous and intensive workloads without failure. The HPE 835955-B21 module’s efficient power and thermal design ensures that servers can operate 24/7 for virtualization, cloud applications, and transactional databases, providing reliability that enterprise customers demand.

Memory Configuration Flexibility

The HPE 835955-B21 supports advanced memory configuration options, allowing IT administrators to optimize performance for specific workloads. Its 2Rx8 dual-rank structure enables multiple modules per channel, increasing memory density while maintaining stability. Interleaving and channel optimization techniques further enhance memory throughput and access speed.

Multi-Rank Memory Benefits

Dual-rank modules like the HPE 835955-B21 improve memory parallelism by allowing simultaneous access to multiple ranks. This feature increases overall memory bandwidth, reduces latency, and enhances the efficiency of multi-threaded applications. Multi-rank memory is ideal for enterprise servers managing high-concurrency workloads.

Channel Interleaving for Optimal Performance

Memory interleaving distributes data across multiple modules and channels to improve access efficiency. The 835955-B21 supports interleaving to maximize throughput, ensuring high-speed memory access for applications that require sustained performance, such as virtualization, analytics, and database processing.

Flexible Channel Deployment

Enterprise servers utilize multiple memory channels to balance load and enhance performance. The HPE 835955-B21 is compatible with single, dual, and quad-channel configurations, allowing IT teams to tailor memory deployment to their workload requirements and server specifications, optimizing performance and resource utilization.

Enterprise Workload

The HPE 835955-B21 module excels in handling a variety of enterprise workloads. From virtualization clusters to database management, cloud computing, and high-performance computing (HPC), this module provides the speed, reliability, and capacity needed for modern data centers.

Cloud Computing

High-speed, reliable memory is critical for running multiple virtual machines on the same server. The HPE 835955-B21 supports seamless virtualization, enabling efficient resource allocation and reducing latency for cloud applications. It ensures that virtual environments perform consistently under peak loads.

Database and Analytics Applications

Databases and analytics platforms benefit from memory modules that provide fast access to large datasets. The 835955-B21 DDR4 memory accelerates data retrieval and query execution, supporting real-time analytics, high-volume transaction processing, and enterprise resource planning (ERP) applications efficiently.

High-Performance Computing

HPC applications, such as scientific simulations, AI training, and computational modeling, require both high-speed and reliable memory. The HPE 835955-B21 module delivers consistent performance, ECC protection, and low latency to support intensive computing tasks, ensuring accuracy and efficiency in critical computational workloads.

Reliability Tools

The HPE 835955-B21 integrates with HPE management tools, including HPE iLO and OneView, offering comprehensive monitoring, configuration, and diagnostic capabilities. Administrators can track memory health, perform predictive analysis, and optimize memory deployment across multiple servers.

Real-Time Memory

HPE management software provides real-time monitoring of memory performance, temperature, and health status. This enables administrators to detect issues early and maintain optimal server performance. Continuous monitoring ensures system reliability and reduces the likelihood of unexpected downtime.

Predictive Failure Analysis

Predictive analytics in HPE management tools can anticipate potential memory failures before they occur, allowing preventive action to maintain server uptime. The HPE 835955-B21’s ECC and RDIMM design complement these predictive features, offering an enterprise-grade solution for mission-critical applications.

Streamlined Configuration

The HPE 835955-B21 memory module is validated for HPE ProLiant and Apollo servers, supporting straightforward installation and configuration. Its plug-and-play design simplifies upgrades and memory expansions, enabling IT teams to deploy high-performance memory quickly without complex setup procedures.