839981-B21 HPE 8GB DDR4 2133mhz SDRAM Cl15 Ecc Reg Ram

HPE 839981-B21 8GB DDR4 2133MHz 288-Pin 1RX4 ECC PC4-17000R SDRAM CL15 Memory Overview

The 8GB capacity of the HPE 839981-B21 makes it an ideal choice for moderate-memory workloads, allowing IT administrators to implement cost-effective memory configurations while still supporting virtualization and multi-application environments. This capacity is sufficient for small- to medium-scale enterprise applications, web servers, file servers, and database systems. By providing a balance between cost, capacity, and performance, this module enables organizations to deploy memory solutions that meet current needs while allowing for future expansion., the HPE 839981-B21 ensures data integrity, minimizes latency, and delivers consistent system stability, making it ideal for small- to medium-scale deployments, virtualization, and high-availability systems.

DDR4 Memory Technology and Performance

DDR4 technology brings significant improvements over DDR3, providing higher bandwidth, lower operating voltage, and enhanced energy efficiency. Operating at 2133MHz, the HPE 839981-B21 offers faster data transfer rates than previous generations, improving server responsiveness for enterprise applications. The CL15 latency ensures balanced timing for efficient read and write operations, making it suitable for multitasking environments and applications requiring consistent memory performance. DDR4 architecture supports advanced memory features, enabling IT administrators to deploy multi-module configurations for optimized server performance.

ECC Functionality

ECC functionality is a cornerstone of reliability for mission-critical server environments. The HPE 839981-B21 1RX4 memory module detects and corrects single-bit errors automatically, preventing system crashes, data corruption, and downtime. ECC memory is particularly essential in financial systems, healthcare applications, cloud computing, and virtualization workloads where uninterrupted operation is crucial. By maintaining data integrity, this module supports high-availability configurations and ensures enterprise servers deliver consistent, reliable performance even under high workload demands.

Registered DIMM Architecture (RDIMM)

The HPE 839981-B21 features RDIMM architecture, incorporating a register that buffers control signals to reduce electrical load on the memory controller. This allows servers to accommodate multiple memory modules without compromising system stability. RDIMM technology is particularly advantageous in high-density server configurations, ensuring stable and reliable operation for virtualization, cloud computing, and database applications. By leveraging RDIMM architecture, enterprises can scale memory capacity efficiently while maintaining high performance and minimal latency.

HPE ProLiant Servers

HPE rigorously tests the 839981-B21 module for compatibility across a broad range of ProLiant server models. Its standardized 288-pin form factor ensures seamless integration with DL, ML, and other HPE server series. Compatibility testing includes BIOS validation, system-level performance checks, and verification with enterprise software management tools such as HPE iLO. This ensures that IT administrators can deploy or upgrade memory without encountering hardware or software compatibility issues, providing a smooth installation and reliable operation.

Multi-Core CPU Performance

Modern enterprise servers are equipped with multi-core processors that require fast, reliable memory to achieve optimal performance. The HPE 839981-B21 operates at 2133MHz with CL15 latency, providing the bandwidth necessary to complement multi-core CPUs. This ensures balanced system performance, reduced bottlenecks in memory access, and efficient execution of multi-threaded applications. Virtualization environments, web hosting servers, and business-critical applications benefit significantly from this memory module’s speed and reliability.

Applications Across Enterprise Workloads

The HPE 839981-B21 is widely applicable across multiple enterprise workloads. Financial institutions use ECC memory for secure transaction processing, analytics, and reporting. Healthcare organizations rely on reliable memory to manage patient records, imaging systems, and electronic health applications. Cloud providers deploy such modules in virtualization infrastructure, supporting multiple virtual machines while ensuring high uptime. Small- to medium-sized businesses benefit from the 8GB capacity for file servers, web hosting, database management, and other core IT operations.

Reliability for Mission-Critical Systems

Enterprise servers running mission-critical workloads require memory that can maintain high reliability. The HPE 839981-B21’s ECC functionality combined with RDIMM architecture ensures consistent data integrity and system stability. By preventing single-bit errors and reducing the risk of memory-related failures, this module safeguards enterprise applications and supports high-availability systems. IT teams can confidently deploy these modules in environments where uninterrupted access and accurate data processing are crucial.

Scalability for Growing IT Needs

Organizations with evolving IT workloads can expand memory capacity using the HPE 839981-B21. Its RDIMM architecture supports multi-channel configurations, allowing administrators to increase total system memory efficiently. Scalable deployment enables enterprises to accommodate virtualization, cloud applications, database expansion, and memory-intensive analytics without overhauling existing infrastructure. This modular scalability provides a cost-effective strategy for future-proofing server environments.

Server Cloud Infrastructure

Virtualization workloads require memory capable of supporting multiple virtual machines simultaneously without performance degradation. The 8GB HPE 839981-B21 module provides the necessary resources for small- to medium-scale virtualized environments. Cloud infrastructures benefit from its stability and ECC protection, enabling consistent performance across hosted applications. RDIMM architecture ensures reliable operation in multi-channel configurations, optimizing memory throughput for virtual servers and high-density deployments.

Technical Specifications and Features

The HPE 839981-B21 features 8GB DDR4 2133MHz capacity, CL15 latency, ECC error correction, and 288-pin RDIMM architecture. Key features include error correction for reliability, support for multi-channel configurations, energy-efficient operation, and broad compatibility with HPE ProLiant servers. This module is optimized for enterprise workloads, offering reliable performance for virtualization, cloud services, database operations, web hosting, and general server applications. Its compact form factor and proven reliability make it suitable for scalable IT deployments.

Multi-Channel Memory Configuration

When deployed in multi-channel memory configurations, the HPE 839981-B21 provides improved bandwidth, reduced latency, and enhanced overall system performance. Multi-channel memory allows servers to handle larger workloads, manage multiple virtual machines efficiently, and perform high-speed data operations. By maximizing available memory channels, administrators can optimize performance for databases, web servers, cloud applications, and virtualization workloads, improving overall server efficiency and responsiveness.

Comparative Advantages Over Previous Memory Generations

Compared to DDR3 modules, the HPE 839981-B21 offers higher bandwidth, lower latency, and better energy efficiency. ECC and RDIMM features ensure data integrity and stable operation in multi-module configurations. The 2133MHz frequency and CL15 latency provide a balanced performance profile for small- to medium-scale enterprise applications. This module represents a cost-effective, reliable memory upgrade for organizations seeking high performance, energy efficiency, and scalability without replacing existing server infrastructure.

Upgrade Considerations

Installing or upgrading to HPE 839981-B21 modules is straightforward, thanks to standardized 288-pin form factor and HPE compatibility validation. Administrators can expand memory capacity without replacing servers, supporting incremental growth strategies. Regular memory upgrades with ECC modules extend server longevity, enhance system performance, and accommodate evolving workloads. HPE provides comprehensive support documentation, ensuring smooth installation and minimizing potential disruptions during upgrades.

Reliability Testing and Quality Assurance

Each HPE 839981-B21 memory module undergoes extensive testing to ensure high reliability, stability, and compatibility. Stress testing under heavy workloads, voltage stability verification, and ECC functionality testing guarantee superior performance. HPE quality assurance protocols confirm that the module meets enterprise requirements for mission-critical operations. Organizations can deploy these modules with confidence, knowing they will perform reliably under demanding workloads in financial, healthcare, cloud, and virtualization environments.

Enterprise IT Infrastructure

The HPE 839981-B21 8GB DDR4 2133MHz ECC RDIMM memory module is designed to meet the evolving demands of modern enterprise servers. Its reliable performance, energy efficiency, ECC protection, and RDIMM architecture provide a scalable solution for virtualization, cloud computing, small databases, and multi-application servers. Investing in such memory modules allows organizations to maintain optimal server performance, reduce downtime, and scale infrastructure efficiently, ensuring long-term ROI and supporting critical business operations.

Real-World Applications and Performance

In practice, the HPE 839981-B21 improves server performance for small- to medium-scale enterprise workloads. Applications such as web hosting, file servers, database management, virtualization, and cloud deployments benefit from reduced latency and increased throughput. Multi-channel configurations maximize bandwidth utilization, supporting efficient processing of multiple virtual machines or concurrent tasks. Organizations deploying these modules experience faster application response times, improved system stability, and enhanced reliability for critical IT operations.

Energy in Data Centers

By operating at standard DDR4 voltages, the HPE 839981-B21 reduces power consumption compared to legacy DDR3 modules. Lower energy usage translates into cost savings for data centers and improves sustainability metrics. Reduced heat generation enhances cooling efficiency, enabling high-density deployments without compromising reliability. Efficient memory solutions allow enterprises to achieve a balance between performance, operational cost, and energy consumption, supporting long-term data center optimization strategies.