P73122-B21 HPE 64GB 4800MT/s PC5-38400 Cl40 ECC EC8 DDR5 Memory.

High-Performance Server Memory for Enterprise Solutions

The HPE P73122-B21 64GB 4800MT/s PC5-38400 CL40 ECC EC8 DDR5 Memory module is a robust, next-generation server-grade memory product tailored for high-demand enterprise workloads. Designed for compatibility with Hewlett Packard Enterprise (HPE) ProLiant and other HPE server lines, this DDR5 module ensures unmatched performance, stability, and data integrity. With support for error correction and advanced architecture, this memory stick is a cornerstone for organizations looking to upgrade their IT infrastructure with future-ready components.

Overview of HPE DDR5 Server Memory

As businesses continue to move toward data-intensive operations, the need for memory that supports high bandwidth and low latency becomes critical. The HPE P73122-B21 is part of HPE's DDR5 family of memory solutions designed to exceed the limitations of DDR4 by offering faster speeds, increased density, and more reliable data throughput. It brings 64GB of DDR5 RAM to enterprise-grade systems, ensuring a scalable and efficient computing environment.

Memory Architecture and Speed

This HPE memory module operates at 4800MT/s, which translates to 4800 million transfers per second. With the PC5-38400 classification, it provides a maximum bandwidth of 38.4GB/s per DIMM. It features a CAS Latency (CL) of 40, optimizing the balance between speed and latency. These specifications make it ideal for large-scale virtualized environments, data centers, and other memory-intensive operations.

The DDR5 Outperforms DDR4 in Enterprise Settings

The shift from DDR4 to DDR5 memory marks a significant improvement in power efficiency, capacity per module, and performance scalability. DDR5 modules, including the HPE P73122-B21, feature:

• Higher density support for up to 64GB per module and beyond
• Improved power management with integrated PMIC (Power Management Integrated Circuit)
• Two independent 32-bit channels for optimized data access
• More robust error correction and reliability mechanisms

ECC and EC8 for Enhanced Data Integrity

The HPE P73122-B21 is equipped with Error Correction Code (ECC) and EC8 architecture, making it suitable for mission-critical applications. ECC corrects single-bit memory errors and detects multi-bit errors, greatly reducing the risk of data corruption. The EC8 configuration enhances reliability further by employing an 8-chip DRAM setup that maximizes efficiency and thermal performance.

Reduced Downtime and Data Loss

With ECC and EC8 technology, enterprises can experience fewer server crashes and unplanned outages. This not only boosts operational efficiency but also reduces maintenance costs associated with hardware failures and system instability.

Factory-Sealed and Original Box Packaging (FSB)

The HPE P73122-B21 memory is factory-sealed and shipped in its original box, ensuring authenticity, integrity, and untouched quality. Factory-sealed packaging assures buyers that the module has not been tampered with and meets the high-quality standards set by HPE.

Advantages of Buying Factory-Sealed (FSB) Modules

• Guaranteed new and unused memory
• Reduced risk of DOA (dead on arrival) components
• Manufacturer’s warranty validity
• Authentic product directly from HPE’s authorized supply chain

3-Year Manufacturer Warranty

The three-year warranty included with the HPE P73122-B21 DDR5 memory offers long-term protection and peace of mind. HPE’s limited warranty covers manufacturing defects and performance issues under normal usage, ensuring you receive a fully functional and reliable product throughout its lifespan.

Use Cases in Enterprise IT Infrastructure

The HPE P73122-B21 is suitable for a wide range of enterprise IT applications. These include:

• Virtual Machines (VMs) and Hypervisors
• Enterprise Resource Planning (ERP) systems
• High-performance computing (HPC)
• Database management systems
• AI and machine learning workloads
• Data warehousing and analytics
• Edge computing and content delivery networks

Performance Gains in Virtualized Environments

In virtualized environments, memory bottlenecks can significantly impact workload efficiency. The 64GB DDR5 capacity ensures ample memory for running multiple VMs simultaneously without sacrificing speed or stability. High-speed memory like the P73122-B21 reduces I/O wait times and accelerates VM deployment.

Compatibility with HPE Server Lines

The P73122-B21 is optimized for HPE Gen11 and select Gen10 Plus servers. Popular compatible systems include:

• HPE ProLiant DL380 Gen11
• HPE ProLiant DL360 Gen11
• HPE ProLiant ML350 Gen10+
• HPE Apollo Gen11 servers
• HPE Synergy Gen10+ compute modules

Before purchase, users should consult the server’s QVL (Qualified Vendor List) or HPE’s memory configurator tool to verify compatibility.

Reliability, Availability, and Serviceability (RAS) Features

HPE memory modules are designed with RAS technologies that provide superior fault tolerance and manageability. These features help enterprise environments maintain service continuity, even under adverse conditions.

RAS Capabilities of HPE DDR5 Memory

• Memory Thermal Monitoring
• Memory Address Mirroring
• Advanced ECC and patrol scrubbing
• Single device data correction (SDDC)
• Address parity protection

Power Efficiency and Heat Management

The HPE P73122-B21 integrates a PMIC (Power Management Integrated Circuit), a hallmark of DDR5 innovation. PMICs allow precise voltage control and better power delivery directly to the module. This translates into better energy efficiency and lower overall power consumption, especially in dense data center environments.

Thermal Benefits of EC8 Design

With 8-chip memory architecture (EC8), heat generation is more evenly distributed across the module, reducing hotspots and ensuring longer component lifespan. Proper thermal management reduces the risk of throttling and extends operational stability during high-load processes.

Scalability for Future Growth

Enterprises investing in the HPE P73122-B21 benefit from future scalability. With a 64GB single-DIMM capacity and DDR5’s architecture allowing higher densities in the future, businesses can scale memory quickly without replacing entire systems. This supports growing IT needs such as:

• Increased VM counts
• Expanding databases
• New applications requiring more RAM
• Machine learning datasets

Comparing HPE P73122-B21 with Other Memory Modules

Compared to previous generation memory modules such as DDR4-3200 or even HPE’s 32GB DDR5 counterparts, the P73122-B21 provides:

• Double the memory capacity per module
• Faster transfer rates (4800MT/s vs. 3200MT/s)
• Improved power efficiency with PMIC
• Enhanced data integrity with ECC and EC8
• Support for next-gen server hardware