P43331-B21 P43333-0A1 HPE 64GB 2Rx4 DDR5 PC5-4800 EC8 RDIMM Gen11 Server Memory

P43331-B21 P43333-0A1 HPE 64GB 2Rx4 DDR5 PC5-4800 EC8 RDIMM Gen11 Server Memory

The HPE P43331-B21 (Spare Part P43333-0A1) 64GB DDR5 RDIMM is a high-performance enterprise server memory module engineered for HPE ProLiant Gen11 servers. Designed with advanced DDR5 technology, this memory delivers superior speed, bandwidth efficiency, and reliability compared to previous-generation DDR4 modules, making it ideal for demanding workloads, virtualization environments, artificial intelligence processing, and mission-critical enterprise applications.

With a capacity of 64GB, dual-rank architecture (2Rx4), and a data transfer rate of 4800 MT/s, this memory module enables organizations to enhance system performance while maintaining stability and scalability in modern data center environments. Built with Error Correcting Code (ECC) technology, it provides advanced data integrity protection to minimize system errors and downtime.

For compatibility details and official specifications, you can refer to the HPE server memory documentation on the HPE website:
https://www.hpe.com

Enterprise Performance with DDR5 Technology

Next-Generation Memory Architecture

The HPE 64GB DDR5 RDIMM introduces significant improvements over DDR4 memory, including increased bandwidth, improved power efficiency, and enhanced reliability features. These advantages enable servers to process larger workloads faster while maintaining consistent performance.

Key Performance Enhancements

• DDR5 PC5-4800 high-speed data transfer

• Improved memory bandwidth for enterprise workloads

• Lower power consumption compared to previous generations

• Enhanced memory efficiency for modern applications

Optimized for Data-Intensive Workloads

The module is ideal for virtualization platforms, large databases, AI computing, cloud infrastructure, and enterprise applications that require high memory throughput.

High Capacity 64GB RDIMM for Scalable Servers

Optimized Memory Expansion for HPE Gen11 Systems

With 64GB capacity per module, this RDIMM enables scalable memory configurations to support growing business requirements. Organizations can expand server memory capacity efficiently without compromising system performance.

Advantages of 64GB Server Memory

• Increased virtualization density

• Faster application response times

• Improved multi-tasking capabilities

• Enhanced system stability under heavy workloads

Future-Ready Infrastructure

The large memory capacity supports future expansion, making it suitable for long-term enterprise deployments.

ECC Registered Memory for Reliability and Stability

Enterprise-Level Error Protection

The HPE DDR5 memory module includes Error Correcting Code (ECC) technology to detect and correct memory errors automatically. This ensures data integrity and reduces the risk of system crashes in critical environments.

Reliability Features

• ECC error detection and correction

• Registered DIMM (RDIMM) architecture

• Enterprise-grade component quality

• Optimized signal integrity

Mission-Critical System Support

This reliability makes the module ideal for financial systems, healthcare databases, virtualization platforms, and enterprise workloads where uptime is essential.

Designed for HPE ProLiant Gen11 Servers

Certified Compatibility with Enterprise Platforms

The P43331-B21 memory module is specifically designed for HPE ProLiant Gen11 servers, ensuring full compatibility, optimal performance, and system stability.

Supported Server Benefits

• Seamless hardware integration

• Maximum performance optimization

• Reduced compatibility risks

• Certified enterprise reliability

Optimized Firmware Integration

HPE-certified memory modules are tested to work perfectly with system firmware, ensuring long-term operational stability.

Technical Specifications — P43331-B21 / P43333-0A1

Hardware Details

• Part Number: P43331-B21

• Spare Number: P43333-0A1

• Capacity: 64GB

• Memory Type: DDR5 RDIMM

• Rank: 2Rx4

• Speed: PC5-4800 (4800 MT/s)

• Error Correction: ECC Registered

• Voltage: 1.1V (Typical DDR5)

• Form Factor: 288-pin RDIMM

• Compatibility: HPE ProLiant Gen11 Servers

Performance Benefits for Enterprise Environments

Improved Server Efficiency and Productivity

Organizations deploying HPE DDR5 64GB memory modules gain significant advantages in performance and efficiency.

Key Benefits

• Faster application processing

• Higher virtualization density

• Reduced latency for databases

• Improved system responsiveness

• Increased workload capacity

Reduced Total Cost of Ownership

Higher memory efficiency and performance improvements contribute to lower operational costs over time.

Ideal Use Cases

Enterprise Workload Applications

The HPE 64GB DDR5 RDIMM is suitable for:

• Virtualization platforms (VMware, Hyper-V)

• Cloud computing infrastructure

• Artificial intelligence workloads

• Database servers

• High-performance computing

• Enterprise resource planning systems

• Data analytics platforms

Why Choose HPE Genuine Server Memory

Trusted Enterprise Reliability

Hewlett Packard Enterprise (HPE) is globally recognized for delivering reliable enterprise infrastructure solutions. Genuine HPE memory modules undergo rigorous testing to ensure compatibility, performance, and reliability in mission-critical environments.

Advantages of Genuine HPE Memory

• Certified compatibility with HPE servers

• Superior reliability compared to third-party memory

• Optimized performance tuning

• Manufacturer-backed quality assurance

Long-Term Investment Protection

Using original HPE components protects server warranties and ensures long-term system stability.