P19045-B21 HPE 64GB DDR4 RAM 2933MHz ECC Reg

HPE 64GB 2933MHz PC4-23400 ECC Memory

The HPE P19045-B21 Smart Memory module delivers exceptional performance and reliability for enterprise systems. Designed with advanced DDR4 technology, this 64GB registered DIMM ensures efficient multitasking and optimized server operations.

General Details

• Manufacturer: Hewlett Packard Enterprise (HPE)
• Part Number: P19045-B21
• Device Type: Smart Memory - DDR4 - 64GB - DIMM 288-pin - Registered

Technical Specifications

Capacity and Configuration

• Storage Size: 64GB
• Module Count: 1 x 64GB
• Form Factor: DIMM 288-pin

Performance Attributes

• Memory Type: DDR4 SDRAM
• Speed: 2933 MHz (PC4-23400)
• Rank: Dual Rank x4
• Voltage: 1.2 V
• Latency: CL21 (21-21-21)

Reliability Features

• Error Correction: ECC (Error-Correcting Code)
• Upgrade Type: System Specific

Physical Dimensions

• Height: 8.89 cm
• Width: 19.05 cm
• Depth: 1.91 cm

Compatibility Information

Supported Systems

• HPE ProLiant DL325 Gen10
• DL325 Gen10 Base
• DL325 Gen10 Entry
• DL325 Gen10 Performance
• DL325 Gen10 SMB Solution
• HPE ProLiant DL385 Gen10
• DL385 Gen10 Base
• DL385 Gen10 Entry
• DL385 Gen10 High-Performance
• DL385 Gen10 Performance
• DL385 Gen10 Solution

P19045-B21 64GB ECC 288-Pin SDRAM DDR4 Memory Overview

The HPE P19045-B21 64GB 2933MHz PC4-23400 ECC Registered 288-Pin SDRAM DDR4 Memory module is engineered to deliver high-performance, enterprise-grade reliability and exceptional scalability for modern data center infrastructures. Designed specifically for compatibility with HPE servers and enterprise computing environments, this advanced memory module enhances server performance, increases workload efficiency, and improves overall system stability in demanding applications. Organizations that rely on virtualization, database processing, large-scale analytics, and cloud infrastructure require robust and dependable memory solutions, and the HPE P19045-B21 module is built precisely to meet those requirements.

Memory plays a critical role in determining how effectively servers process data, manage workloads, and support simultaneous applications. With 64GB of capacity and a high-speed frequency of 2933MHz, this DDR4 memory module offers a powerful balance between performance and efficiency. Its ECC Registered architecture ensures superior reliability by detecting and correcting memory errors in real time, which significantly reduces the risk of data corruption or system crashes. For businesses operating mission-critical systems, the reliability of ECC memory is not simply beneficial but essential.

The 288-pin RDIMM architecture is optimized for enterprise-grade servers that require higher memory capacities while maintaining signal integrity and stability. By utilizing registered memory technology, the module reduces electrical load on the memory controller, allowing servers to support larger memory configurations. As modern applications continue to grow in complexity and scale, high-capacity memory modules like the HPE P19045-B21 become essential for maintaining responsive and efficient server environments.

Enterprise Key with 2933MHz DDR4 Technology

Performance is one of the defining characteristics of the HPE P19045-B21 DDR4 memory module. Operating at 2933MHz, this memory solution provides significantly faster data transfer speeds compared to earlier DDR3 technologies and lower-frequency DDR4 modules. High-frequency memory allows servers to process large volumes of data more efficiently, which is especially important for virtualization hosts, high-performance computing systems, and large database platforms.

DDR4 technology represents a major advancement in memory architecture, offering increased bandwidth, improved energy efficiency, and enhanced stability compared to previous memory generations. The PC4-23400 designation indicates the module’s peak transfer rate capability, enabling servers to handle intensive workloads without bottlenecks in memory performance. When multiple virtual machines, enterprise applications, and storage operations run simultaneously, high-speed memory becomes critical for maintaining consistent system responsiveness.

The HPE P19045-B21 module ensures that enterprise servers maintain optimal processing speed even during peak workloads. Organizations running complex enterprise resource planning systems, large-scale e-commerce platforms, or cloud-based infrastructures benefit greatly from high-speed DDR4 memory because it ensures smooth and uninterrupted operations. Faster memory access improves application response times, reduces processing delays, and enhances the overall efficiency of enterprise servers.

Impact of High-Speed Memory on Data Center Efficiency

In modern data centers, memory speed plays a crucial role in determining overall infrastructure performance. Servers must process vast amounts of information quickly, and slow memory can create bottlenecks that limit processing efficiency. The 2933MHz operating speed of the HPE P19045-B21 DDR4 module helps eliminate such limitations by enabling faster communication between the processor and memory subsystem.

High-speed memory allows servers to handle more simultaneous tasks while maintaining stable performance. For example, virtualization platforms that host dozens or even hundreds of virtual machines rely heavily on available memory bandwidth. When memory operates at higher frequencies, the system can allocate resources more effectively, ensuring smooth operation across multiple workloads.

Data analytics environments also benefit from faster memory performance. Applications that process large datasets require rapid data access to deliver real-time insights. With its 2933MHz speed, the HPE P19045-B21 module supports quick data retrieval and processing, helping businesses analyze information faster and make timely decisions.

64GB Capacity for Large-Scale Workloads

The 64GB capacity of the HPE P19045-B21 DDR4 memory module makes it ideal for enterprise systems that require substantial memory resources. High-capacity modules allow servers to manage more data simultaneously, reducing reliance on slower storage-based memory operations. In large enterprise environments where numerous applications run concurrently, having ample memory ensures consistent performance and efficient workload management.

Organizations often deploy servers for complex workloads such as virtualization clusters, machine learning platforms, and large relational databases. These environments demand extensive memory resources because multiple processes need immediate access to system memory. A 64GB module provides sufficient capacity for memory-intensive tasks, allowing servers to maintain high performance even under heavy load conditions.

Another advantage of high-capacity memory modules is improved scalability. When building or upgrading enterprise servers, IT administrators can install multiple 64GB modules to create large memory pools that support demanding applications. This scalability enables businesses to expand their infrastructure gradually while maintaining consistent performance levels across the entire system.

Memory Scalability in Enterprise Servers

Enterprise servers are designed to scale efficiently as workloads grow. Memory scalability plays a central role in this process because modern applications continue to demand larger memory allocations. By using 64GB RDIMM modules like the HPE P19045-B21, organizations can expand their memory capacity significantly without replacing existing hardware components.

Registered DIMMs allow servers to support more memory modules than standard unbuffered memory. This capability is essential for large-scale virtualization clusters and cloud infrastructure deployments where servers must host numerous workloads simultaneously. By installing multiple 64GB modules, organizations can create high-capacity memory configurations that exceed several terabytes of RAM, enabling advanced computing capabilities and improved resource management.

Error-Correcting Code Technology for Data Integrity

Error-Correcting Code technology is a fundamental feature of enterprise-grade memory modules. The HPE P19045-B21 DDR4 memory module incorporates ECC capabilities that automatically detect and correct memory errors during operation. This technology ensures data integrity by preventing corrupted data from affecting system performance or application stability.

In high-performance computing environments, even minor memory errors can lead to serious problems such as system crashes, application failures, or data corruption. ECC memory eliminates these risks by continuously monitoring memory operations and correcting single-bit errors before they cause issues. This level of reliability is essential for organizations running mission-critical applications where downtime or data loss is unacceptable.

The combination of ECC technology with registered memory architecture further enhances stability in large-scale systems. When servers operate with high memory capacities, electrical signals can become more complex and susceptible to interference. Registered memory helps stabilize these signals while ECC ensures accurate data transmission, creating a highly reliable memory environment.

Importance of ECC in Mission-Critical Applications

Mission-critical systems such as financial databases, healthcare management platforms, and large e-commerce infrastructures require consistent reliability. ECC memory plays an essential role in protecting these systems from unpredictable errors that could disrupt operations. By detecting and correcting memory errors automatically, the HPE P19045-B21 module helps maintain continuous system availability.

Industries that process sensitive information rely heavily on data accuracy. A single memory error could compromise financial records, patient data, or operational analytics. ECC technology significantly reduces these risks by ensuring that data stored in memory remains accurate throughout processing operations. As a result, enterprise servers equipped with ECC memory provide the reliability necessary for critical business operations.

Registered DIMM Architecture and Stability

The HPE P19045-B21 memory module uses Registered DIMM architecture, commonly referred to as RDIMM. Registered memory includes an additional register between the memory module and the memory controller, which helps manage electrical signals more efficiently. This design improves signal integrity and allows servers to support more memory modules without compromising stability.

In large enterprise systems, memory configurations often include dozens of DIMMs. Without registered architecture, the electrical load on the memory controller could become too high, leading to instability or performance limitations. RDIMM technology solves this challenge by buffering memory commands and reducing signal stress on the processor’s memory controller.

The result is a more stable memory subsystem that can support higher capacities and maintain reliable performance under demanding workloads. For enterprise servers designed to operate continuously in data center environments, this stability is crucial for maintaining consistent performance and preventing unexpected system failures.

Benefits of RDIMM Technology in Data Centers

Data centers require hardware components that can operate reliably around the clock. Registered memory modules like the HPE P19045-B21 provide the stability necessary for continuous operation in high-demand environments. By reducing signal interference and improving communication between the memory module and processor, RDIMM technology enhances overall system reliability.

Another advantage of RDIMM memory is improved compatibility with high-density memory configurations. Data center servers often require massive memory pools to support virtualization, cloud computing, and big data analytics. Registered memory allows these servers to achieve higher memory capacities while maintaining stable performance across all installed modules.

Compatibility with HPE Enterprise Servers

The HPE P19045-B21 64GB DDR4 memory module is specifically designed for compatibility with a wide range of HPE enterprise servers. Hewlett Packard Enterprise develops its memory modules to meet strict quality and performance standards, ensuring seamless integration with HPE server platforms. This compatibility ensures optimal performance and eliminates the risks associated with using unsupported memory components.

HPE servers are widely used in enterprise environments due to their reliability, scalability, and advanced management features. By installing genuine HPE memory modules such as the P19045-B21, organizations can maximize the capabilities of their servers while maintaining manufacturer-certified performance levels. Genuine HPE memory is thoroughly tested to ensure it operates efficiently with HPE processors, chipsets, and system firmware.

Using certified memory also helps maintain system warranties and support agreements. Many enterprise environments rely on vendor support for hardware maintenance and troubleshooting, and using compatible components ensures that servers remain fully supported by the manufacturer.

Energy Efficiency and Power Optimization

Energy efficiency has become a critical consideration for modern data centers. Servers operate continuously and consume substantial amounts of power, making energy-efficient components essential for reducing operational costs. The HPE P19045-B21 DDR4 memory module incorporates advanced power management features that help reduce overall power consumption while maintaining high performance.

DDR4 technology inherently consumes less power compared to older memory standards such as DDR3. Lower operating voltage reduces energy consumption and heat generation, which contributes to improved system efficiency and longer component lifespan. In large data centers with hundreds or thousands of servers, the cumulative energy savings from efficient memory modules can be significant.

Efficient memory also helps improve cooling efficiency within server racks. Reduced heat output means cooling systems do not need to work as hard to maintain optimal operating temperatures. This leads to lower energy usage across the entire data center infrastructure while maintaining reliable performance for enterprise workloads.

Reducing Operational Costs Through Efficient Hardware

Organizations are constantly seeking ways to reduce operational costs while maintaining high levels of performance and reliability. Energy-efficient hardware components like the HPE P19045-B21 memory module contribute to cost savings by lowering power consumption and cooling requirements. Over time, these savings can have a significant impact on overall data center operating expenses.

Additionally, efficient hardware contributes to sustainability initiatives by reducing energy usage and carbon emissions. Many organizations are prioritizing environmentally responsible IT infrastructure, and deploying energy-efficient memory modules aligns with these sustainability goals while maintaining enterprise-grade performance.

Supporting Cloud and Virtual Infrastructure

Cloud computing environments rely heavily on scalable memory resources. As organizations deploy private or hybrid cloud infrastructures, servers must support numerous workloads simultaneously. High-capacity DDR4 memory modules enable cloud platforms to allocate resources dynamically while maintaining consistent performance across virtual environments.

The reliability and scalability of the HPE P19045-B21 memory module make it an excellent choice for cloud infrastructure deployments. Its ECC protection ensures stable operations, while its RDIMM architecture allows for large memory configurations that support diverse workloads across multiple virtual machines.

Quality Assurance and Reliability Standards

Hewlett Packard Enterprise maintains rigorous quality assurance processes for all its hardware components, including memory modules. The HPE P19045-B21 DDR4 memory module undergoes extensive testing to ensure it meets strict performance, reliability, and compatibility standards. These testing procedures verify that the module can operate reliably in demanding enterprise environments where hardware failures can have serious consequences.

Quality assurance testing includes performance validation, thermal testing, compatibility checks, and long-term reliability assessments. By subjecting memory modules to these rigorous tests, HPE ensures that customers receive hardware capable of delivering consistent performance over extended periods of operation.

Enterprise organizations depend on reliable hardware to maintain continuous service availability. Memory modules that fail or behave unpredictably can disrupt entire server environments. The HPE P19045-B21 module is engineered to minimize these risks, providing dependable performance that supports critical business operations without interruption.