P73120-K21 HPE 32GB 4800MT/s PC5-38400 Cl42 ECC DDR5 Memory.

HPE P73120-K21 32GB DDR5 Memory Overview

The HPE P73120-K21 32GB 4800MT/s PC5-38400 CL42 ECC DDR5 memory module is designed to meet the performance and reliability demands of next-generation enterprise data centers, virtualization environments, and high-performance computing applications. As part of Hewlett Packard Enterprise’s server-grade memory lineup, this module combines cutting-edge DDR5 technology with ECC (Error Correction Code) functionality and factory-sealed quality assurance, backed by a 3-year warranty. It is an optimal choice for IT managers and system integrators looking to enhance memory bandwidth, reduce latency, and maximize data throughput.

Key Features and Technical Specifications

Capacity and Speed

The P73120-K21 module delivers 32GB of memory capacity with a data rate of 4800MT/s, making it significantly faster than previous-generation DDR4 memory modules. The module conforms to PC5-38400 standards, ensuring top-tier data transfer performance and responsiveness across a range of workloads.

Memory Type and Technology

Leveraging the latest DDR5 memory architecture, the HPE P73120-K21 module provides enhanced memory efficiency and channel architecture. DDR5 memory introduces dual 32-bit subchannels for improved performance, enabling more effective parallel processing and reduced latency in high-demand server applications.

CAS Latency and ECC Functionality

The CL42 (CAS Latency 42) timing of this module provides a balance of speed and stability, optimized for enterprise-grade systems. Additionally, ECC (Error-Correcting Code) is a critical feature for mission-critical applications, allowing the memory to automatically detect and correct single-bit memory errors, thereby reducing the risk of system crashes or data corruption.

Form Factor and Compatibility

The DIMM form factor ensures compatibility with a broad range of HPE Gen10 Plus and Gen11 servers. This module is specifically engineered to meet the specifications of HPE’s latest ProLiant servers, providing guaranteed compatibility, optimal BIOS configuration, and system-level testing to meet demanding uptime requirements.

Factory-Sealed and Warranty Protection

Factory-Sealed Box (FSB) Condition

Every HPE P73120-K21 module ships in a factory-sealed box, ensuring it is brand new and has never been used or tampered with. Factory sealing maintains the original manufacturer packaging and integrity, giving buyers peace of mind regarding product authenticity, quality, and traceability.

3-Year Manufacturer Warranty

Backed by a 3-year limited warranty from HPE, this memory module offers robust protection and support. HPE’s warranty includes replacement or repair coverage, ensuring long-term investment protection and minimal downtime in the rare event of memory failure or performance degradation.

Use Cases for Enterprise Applications

Virtualization and Cloud Computing

High-capacity, high-speed DDR5 memory such as the HPE P73120-K21 is essential for virtualization platforms like VMware, Microsoft Hyper-V, and KVM. By improving memory bandwidth and latency, this module enhances virtual machine density and ensures smooth multitasking across virtual environments.

Database and Analytics Workloads

Database servers running Microsoft SQL Server, Oracle, or MySQL benefit from faster memory access and improved caching capabilities with DDR5. The P73120-K21’s 4800MT/s speed supports high-frequency transactions and large-scale query operations, increasing the overall efficiency of analytic processes.

High-Performance Computing (HPC)

For research institutions, scientific simulations, and financial modeling, memory speed and error correction are critical. The ECC-enabled HPE DDR5 module ensures data integrity under extreme workloads, making it ideal for computational clusters and scientific computing nodes.

AI and Machine Learning

Artificial intelligence and deep learning applications demand rapid access to massive datasets. The bandwidth improvements introduced by DDR5 and the large 32GB capacity of this module support faster data pre-processing, real-time inference, and iterative model training.

Power Efficiency and Voltage Reduction

DDR5 reduces operating voltage from 1.2V (DDR4) to 1.1V, minimizing overall power consumption. Additionally, DDR5 shifts the power management function to the module itself, using onboard PMIC (Power Management Integrated Circuit), which enhances efficiency and thermal stability.

Increased Density and Reliability

DDR5 enables higher memory densities and better scalability, making it possible for future server motherboards to support larger capacities without performance compromise. This makes the HPE P73120-K21 future-ready, capable of integrating into expanding infrastructure environments.

Compatibility and Server Integration

Designed for HPE ProLiant Servers

The HPE P73120-K21 module is designed to operate seamlessly within the HPE ProLiant server ecosystem. It is validated for use with Gen10 Plus and Gen11 models, providing optimized BIOS configuration, firmware support, and thermal design parameters for peak performance and reliability.

Plug-and-Play Upgrades

HPE memory modules like the P73120-K21 are ideal for IT administrators looking to scale server capabilities with minimal configuration hassle. The plug-and-play nature of HPE factory-certified memory ensures fast deployment and out-of-the-box compatibility, saving valuable time in production environments.

Reliability and Quality Assurance

Rigorous Testing Standards

HPE memory undergoes comprehensive system-level and component-level testing to ensure long-term reliability under extreme workload scenarios. These tests simulate real-world operating conditions, verifying compatibility, endurance, and thermal performance before shipping.

Market Applications and Industry Relevance

Enterprise IT and Datacenters

The HPE P73120-K21 memory module is ideal for large-scale data center deployments where memory bandwidth and system availability are paramount. Its reliability and performance characteristics align with mission-critical applications in finance, healthcare, government, and telecommunications.

Education and Research Institutions

Universities and research centers conducting data-intensive simulations, modeling, and analytics benefit greatly from the high performance and reliability of HPE DDR5 memory. The large capacity and ECC support ensure consistent output and operational stability for academic research computing needs.

OEM System Builders and VARs

For value-added resellers (VARs) and original equipment manufacturers (OEMs), integrating factory-sealed HPE memory modules into server builds guarantees customer satisfaction, warranty coverage, and system longevity. These modules serve as the building blocks of dependable server infrastructure.

Environmental Considerations and Compliance

Energy Efficiency Certifications

With lower voltage and integrated power management, DDR5 memory helps reduce energy usage per computing cycle. The P73120-K21 module supports compliance with energy-efficient computing standards and aligns with HPE’s corporate sustainability commitments.

Ordering Factory-Sealed Products

Always ensure the product is labeled "Factory-Sealed New in Original Box (FSB)" to avoid secondhand or refurbished parts. Authentic HPE products include sealed packaging, tamper-evident labels, and a verifiable part number.

Stocking for Future Scalability

Future-proofing server infrastructure often includes pre-allocating memory slots for upcoming upgrades. The standardized architecture of the P73120-K21 makes it easy to add identical modules later, reducing the risk of compatibility issues or channel imbalance.