P73447-B21 HPE 256GB DDR5-6400MT/s PC5-51200 Cl60 Memory.

HPE P73447-B21 256GB DDR5-6400MT/s Server Memory Overview

The HPE P73447-B21 256GB DDR5-6400MT/s PC5-51200 CL60 Memory module represents the next generation of enterprise-grade memory solutions. Designed to meet the rigorous performance and scalability needs of data centers and mission-critical environments, this high-capacity memory module from Hewlett Packard Enterprise (HPE) offers unparalleled bandwidth, lower latency, and superior energy efficiency compared to earlier DDR4 memory.

As part of HPE's Gen11 ProLiant server upgrade path, this memory is a cornerstone for maximizing throughput in compute-intensive workloads such as virtualization, in-memory databases, artificial intelligence, and high-performance computing (HPC). It comes new sealed in box (NIB), ensuring original packaging integrity and manufacturer warranty compliance.

Advanced Technology for High-Demand Applications

The HPE P73447-B21 memory module leverages the latest DDR5 (Double Data Rate 5) technology, which offers substantial improvements in speed and efficiency over DDR4. DDR5 introduces features such as dual-channel DIMM architecture, on-die ECC (Error Correction Code), and better power management integrated into the module. These advancements are critical for maintaining data integrity and operational continuity in environments where downtime is not an option.

Power Efficiency and Thermals

A notable advantage of the DDR5 standard is its improved energy efficiency. The HPE P73447-B21 operates at a lower core voltage (1.1V) compared to DDR4 (1.2V), leading to lower power consumption. Additionally, on-module power management (PMIC) helps to regulate voltage at the DIMM level, providing precise energy distribution and reducing thermal output.

Ideal Use Cases for HPE P73447-B21 256GB DDR5 RDIMM

This high-capacity memory module is engineered for advanced IT workloads. Here are a few practical use cases where it shines:

Virtualization and Cloud Infrastructure

In virtualized environments, memory resources are often the most taxed component. The HPE 256GB DDR5 module enables dense virtual machine (VM) hosting on fewer physical servers, improving infrastructure consolidation and reducing operational costs.

In-Memory Databases and Real-Time Analytics

Applications like SAP HANA, Oracle Database In-Memory, and Microsoft SQL Server benefit from large memory footprints and fast access times. The P73447-B21 delivers the capacity and bandwidth needed to keep large data sets in memory, improving performance for complex queries and analytics.

Artificial Intelligence and Machine Learning Workloads

AI and ML applications require massive data throughput. From training deep learning models to processing real-time data feeds, this DDR5 module offers the speed and reliability to keep systems running at peak efficiency.

High-Performance Computing (HPC)

HPC applications often demand both capacity and low latency. The 6400MT/s data rate, coupled with ECC features and robust error detection, makes this memory ideal for scientific simulations, genomic research, weather modeling, and more.

Server Compatibility and Integration

The HPE P73447-B21 256GB DDR5 memory module is fully compatible with HPE Gen11 ProLiant DL and ML servers, including platforms optimized for scalability and edge-to-core compute environments. This ensures plug-and-play performance with certified firmware, BIOS, and system board support.

Common Compatible HPE Server Models

• HPE ProLiant DL360 Gen11
• HPE ProLiant DL380 Gen11
• HPE ProLiant ML350 Gen11
• HPE Synergy 660 Gen11 Compute Modules
• HPE Apollo 2000 Gen11

Reliability and HPE Quality Assurance

All HPE memory modules, including the P73447-B21, undergo extensive factory-level quality control testing. This ensures 100% compatibility, stability, and fault tolerance within certified server environments. The ECC technology integrated into this memory helps prevent system crashes due to memory-related errors, while HPE's rigorous validation process guarantees superior reliability under stress.

New Sealed in Box (NIB) Assurance

Buying this product new and sealed in its original packaging guarantees you're receiving a factory-fresh, tamper-proof component with full manufacturer warranty eligibility. This is critical for enterprises that require certified components for support contracts and lifecycle management policies.

Benefits of Upgrading to DDR5 Server Memory

• Enhanced bandwidth for multi-threaded applications
• Increased module density for handling large datasets
• Better power management for reduced operational cost
• Improved scalability across multi-socket server platforms
• Native support for higher memory speeds and lower latencies

The Choose 256GB Modules

Selecting a 256GB module allows enterprises to maximize total memory footprint in fewer DIMM slots. This is especially beneficial in dual- or quad-CPU server configurations where slot count is limited but application requirements are high. Additionally, larger modules reduce the complexity of memory population rules, allowing for easier scaling.

Data Center Optimization and TCO Reduction

HPE P73447-B21 modules contribute to lower total cost of ownership (TCO) through increased performance-per-watt metrics. By consolidating workloads on fewer servers thanks to larger memory pools and faster access, enterprises reduce cooling, rack space, and licensing expenses. This translates into greener, more efficient data center operations.

Performance Scaling with DDR5 Architecture

DDR5 allows for improved interleaving and deeper memory queues. For systems managing parallel data threads and high I/O concurrency, these architectural enhancements help reduce latency and minimize bottlenecks. The result is smoother performance scaling as workloads increase in complexity and volume.

Security and Stability in Enterprise Environments

Enterprise systems demand not only performance, but also stability and data security. The P73447-B21 includes advanced ECC technology that corrects single-bit errors and detects multi-bit errors. Combined with HPE's secure firmware and trusted supply chain, this ensures data integrity from the hardware level up.

Compliance and Support Options

Purchasing official HPE-branded DDR5 memory ensures compliance with vendor support agreements, firmware validation matrices, and long-term lifecycle management policies. It also unlocks eligibility for HPE Pointnext support services, including proactive monitoring, diagnostics, and rapid replacement programs.

Purchasing Considerations

When selecting DDR5 server memory, consider the following:

• Match memory module specifications with server QVL (Qualified Vendor List)
• Ensure BIOS/firmware compatibility with DDR5
• Check for ECC and Registered DIMM (RDIMM) requirements
• Ensure system supports 256GB module density
• Purchase from trusted resellers to guarantee authenticity and warranty coverage

Packaging, Shipping, and Handling

The HPE P73447-B21 comes in manufacturer-sealed packaging with anti-static protection and shock-absorbent enclosures. This guarantees safe handling during transit. Most authorized resellers offer expedited and insured shipping options for mission-critical deployments.

Inventory Availability and Lead Times

Given the high demand for DDR5 server memory, especially 256GB modules, it's important to verify stock levels before ordering. Some suppliers offer same-day shipping, while others may require backorder lead times due to supply chain constraints.