P11445-1A1 HPE 32GB DDR4 3200Mhz Ecc Ram Dual Rank X8

HPE 32GB DDR4 SDRAM Memory Module

The HPE P11445-1A1 is a high-performance 32GB PC4-25600 DDR4-3200MHz 2Rx8 ECC memory module engineered for enterprise-grade servers. It ensures reliability, speed, and efficiency for demanding workloads.

General Information

• Brand: Hewlett Packard Enterprise (HPE)
• Part Number: P11445-1A1
• Device Type: 32GB DDR4 SDRAM Memory Module

Technical Specifications

Capacity and Format

• Storage Size: 32GB
• Form Factor: DIMM 288-pin
• Module Count: 1 x 32GB

Performance Attributes

• Speed: 3200MHz (PC4-25600)
• Rank: Dual Rank, Registered
• Chip Layout: x8 Organization
• Error Detection: ECC (Error-Correcting Code)

Electrical and Timing Details

• Operating Voltage: 1.2V
• Latency: CL22 (22-22-22)

Upgrade and Compatibility

• Upgrade Type: System-Specific
• Supported Devices: Server Platforms

Compatibility Information

Designed For

• HPE ProLiant DL325 Gen10 Plus
• HPE ProLiant DL385 Gen10 Plus
• HPE ProLiant DL385 Gen10 Plus Entry

P11445-1A1 DDR4 SDRAM DIMM Memory Module Overview

The HPE P11445-1A1 32GB PC4-25600 DDR4-3200MHz 2Rx8 ECC Memory belongs to a specialized category of enterprise-grade server memory designed to meet the demanding requirements of modern data centers, private clouds, and mission-critical computing environments. This category focuses on high-capacity, high-bandwidth DDR4 registered memory modules that are engineered specifically for HPE ProLiant and HPE Synergy server platforms. The emphasis within this category is on stability, performance consistency, and compatibility, ensuring that every deployed module aligns with Hewlett Packard Enterprise’s rigorous validation standards.

DDR4 server memory in this class is not a general-purpose component. It is intended to operate continuously under sustained workloads, supporting virtualization, database processing, analytics, and enterprise applications that rely on predictable memory behavior. The HPE P11445-1A1 module exemplifies the characteristics expected from this category, including advanced error correction, optimized signal integrity, and strict adherence to JEDEC specifications tailored for enterprise server environments.

DDR4-3200MHz key Characteristics

The DDR4-3200MHz designation within this category represents a memory data transfer rate of 3200 megatransfers per second, positioning these modules among the highest-performing DDR4 solutions available for enterprise servers. This performance level enables faster data access and improved throughput for applications that are sensitive to memory bandwidth. In multi-socket server configurations, such bandwidth improvements scale across processors, helping to reduce memory bottlenecks and maintain balanced system performance.

PC4-25600 classification indicates a theoretical maximum bandwidth of 25.6 gigabytes per second per module. In category terms, this specification is critical for workloads such as in-memory databases, virtualization platforms hosting large numbers of virtual machines, and high-performance computing tasks that depend on rapid data movement between memory and CPU cores. Modules in this category are selected to sustain these data rates while maintaining electrical stability and thermal efficiency.

Optimized Memory Timing and Latency Behavior

Within the DDR4-3200 memory category, timing parameters and latency behavior are engineered to strike a balance between raw speed and reliability. The HPE P11445-1A1 operates with server-optimized timings that are validated for HPE system firmware and processor memory controllers. This ensures consistent access latency across all populated DIMM slots, even when systems are fully loaded with multiple high-capacity modules.

Unlike consumer memory, where aggressive timings may prioritize benchmark performance, enterprise DDR4 memory emphasizes predictable response times. This predictability is essential for transactional workloads, clustered environments, and real-time processing systems where latency spikes can lead to degraded service levels.

32GB Capacity and Enterprise Memory Density

Capacity is a defining factor in this memory category, and the 32GB density of the HPE P11445-1A1 places it in a versatile mid-to-high capacity tier. This capacity is suitable for a wide range of enterprise workloads, allowing system architects to scale memory footprints efficiently without overcommitting resources. In dual- and quad-socket servers, multiple 32GB modules enable configurations reaching hundreds of gigabytes or even multiple terabytes of system memory.

The category focus on 32GB modules reflects a balance between scalability and cost efficiency. While higher-capacity DIMMs exist, 32GB modules often provide optimal channel population and interleaving options, maximizing memory bandwidth while maintaining manageable power consumption. This makes the category particularly attractive for virtualization hosts and application servers requiring both capacity and performance.

Memory Interleaving and Channel Optimization

Server memory categories such as this one are designed to support advanced interleaving across memory channels and ranks. By populating systems with identical 32GB modules, administrators can enable symmetric memory configurations that improve throughput and reduce access contention. The HPE P11445-1A1 is validated to function optimally in these configurations, ensuring consistent performance across all channels.

Channel optimization within this category is especially relevant for modern processors that rely on multiple memory channels per CPU. Balanced population using 32GB DDR4-3200 modules helps achieve peak memory controller efficiency, supporting demanding workloads without compromising stability.

2Rx8 Rank Architecture and Signal Integrity

The 2Rx8 designation refers to the dual-rank architecture and x8 DRAM chip organization used in this memory category. Dual-rank modules provide improved performance characteristics in many server workloads by allowing better utilization of memory banks and enabling more efficient access patterns. In enterprise servers, 2Rx8 configurations are widely favored for their compatibility and predictable behavior.

This category emphasizes signal integrity and electrical stability, particularly at higher operating frequencies such as 3200MHz. The 2Rx8 layout supports robust signal routing on the DIMM, reducing the risk of data corruption and timing errors. HPE’s validation process ensures that these modules maintain signal integrity across supported server platforms and operating conditions.

Impact of Dual-Rank Design on Workloads

Dual-rank memory modules can improve performance in workloads that benefit from memory-level parallelism. By allowing the memory controller to alternate access between ranks, latency can be masked more effectively, resulting in smoother throughput under heavy load. This characteristic is especially relevant in virtualization environments and multi-threaded applications common in enterprise deployments.

The category’s focus on 2Rx8 architecture ensures compatibility with a broad range of HPE server models, providing flexibility for upgrades and expansions without sacrificing performance consistency.

Error Correcting Code ECC Reliability Standards

ECC memory is a cornerstone of this category, and the HPE P11445-1A1 adheres to strict error correction standards required for enterprise computing. ECC technology detects and corrects single-bit memory errors and identifies multi-bit errors, protecting systems from data corruption and unexpected crashes. This reliability is essential for servers operating continuously and handling sensitive or mission-critical data.

Within this category, ECC is not an optional feature but a fundamental requirement. The memory modules are designed to work seamlessly with server chipsets and processors that support ECC, ensuring that error detection and correction mechanisms function transparently without performance penalties.

Data Integrity in Mission-Critical Environments

Enterprise workloads such as financial transactions, healthcare systems, and large-scale databases depend on data integrity. Memory errors, even rare ones, can have serious consequences. This category of ECC DDR4 memory mitigates such risks by providing robust protection at the hardware level, allowing organizations to maintain system uptime and data accuracy.

HPE’s server memory validation further enhances reliability by subjecting modules to extensive stress testing, thermal cycling, and compatibility verification. This ensures that the ECC mechanisms perform reliably under real-world operating conditions.

Thermal Management and Power Efficiency

Power efficiency and thermal behavior are critical considerations in the enterprise memory category. The HPE P11445-1A1 is designed to operate at standard DDR4 voltage levels while delivering high performance, helping to manage overall system power consumption. Efficient power usage contributes to lower operating costs and reduced heat generation within densely populated server racks.

Thermal stability is equally important, as elevated temperatures can impact memory reliability and lifespan. Modules in this category are engineered with high-quality materials and layouts that facilitate effective heat dissipation, ensuring consistent performance even in high-density deployments.

Data Center Optimization and Cooling Considerations

In large-scale data centers, memory power efficiency directly influences cooling requirements and energy budgets. This category of DDR4-3200 ECC memory supports data center optimization efforts by delivering higher performance per watt compared to earlier-generation memory technologies. The result is improved compute density without proportional increases in cooling demands.

By maintaining stable operation across a wide temperature range, these memory modules support flexible deployment scenarios, including edge computing environments and remote installations where cooling resources may be limited.

HPE-Specific Qualification and Compatibility

A defining characteristic of this category is HPE-specific qualification. The HPE P11445-1A1 is not merely compliant with industry standards but is also certified for use in specific HPE server models. This qualification process includes firmware compatibility testing, system-level validation, and long-term reliability assessments.

Category-level compatibility ensures that memory modules integrate seamlessly with HPE system management tools, BIOS configurations, and firmware updates. This reduces the risk of configuration issues and simplifies system maintenance for IT administrators.