P64987-B21 HPE 96GB Dual Rank Ddr5-6400MT/s Pc5-51200 Memory.
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HPE P64987-B21 DDR5 Server Memory Specifications
The HPE P64987-B21 96GB DDR5-6400MT/s Smart Memory module is designed for enterprise-class servers and high-performance computing systems that demand extreme bandwidth, stability, and advanced data integrity. Built to meet stringent quality and compatibility standards, this memory module features cutting-edge DDR5 technology, a dual rank x4 configuration, and a blazing-fast 6400MT/s data rate, ensuring exceptional throughput and reduced latency under heavy workloads.
Technical Specifications of HPE P64987-B21
The HPE P64987-B21 memory module is optimized for performance and reliability. Below are its comprehensive technical specifications:
- Capacity: 96GB
- Memory Type: DDR5 SDRAM
- Speed: 6400MT/s (PC5-51200)
- Rank: Dual Rank x4
- Voltage: 1.1V
- CAS Latency: CL46
- Form Factor: 288-Pin DIMM
- ECC Type: Registered ECC (RDIMM)
- Smart Memory: Yes – HPE Qualified
Key Features of This High-Performance Memory Module
- Advanced Memory Technology: Utilizes cutting-edge DDR5 SDRAM for enhanced data transfer rates
- Substantial Capacity: Delivers 96GB per module for demanding enterprise workloads
- Optimized Performance: Operates at 6400MT/s with PC5-51200 classification
- Superior Reliability: Incorporates Error Correcting Code (ECC) for data integrity
Technical Specifications Breakdown
Performance Attributes
- Transfer Rate: 6400 million transfers per second (MT/s)
- Latency Configuration: CAS Latency 46 timing
- Voltage Requirement: Low-power 1.1V operation
Physical Configuration
- Module Design: 288-pin registered DIMM
- Rank Architecture: Dual Rank X4 organization
- Module Quantity: Single module configuration
Manufacturing and Compatibility Details
- Original Equipment Manufacturer: Hewlett Packard Enterprise
- OEM Part Identification: P64987-B21
- Product Classification: Smart Memory Kit for enterprise servers
Enterprise-Grade Memory Features
- Registered Design: Buffered memory for improved signal integrity
- Error Correction: ECC functionality for mission-critical applications
- Optimized Bandwidth: PC5-51200 specification for high throughput
Designed for Next-Generation Server Platforms
The HPE P64987-B21 memory module is engineered to optimize the performance of next-generation HPE ProLiant servers and enterprise environments. With a registered ECC (Error Correcting Code) architecture, the module provides unparalleled data integrity and system reliability. This makes it an ideal choice for use in mission-critical infrastructures, virtualization, cloud computing, data analytics, and large-scale enterprise workloads.
Key DDR5 Advantages Over DDR4
- Double the bandwidth per module compared to DDR4
- Lower voltage (1.1V vs. 1.2V in DDR4), resulting in improved energy efficiency
- On-die ECC for better internal error correction
- More banks and groups for higher parallelism and throughput
- Improved channel architecture for greater scalability
Smart Memory: Intelligent Reliability and Monitoring
The HPE P64987-B21 is part of HPE’s Smart Memory portfolio, which ensures high-quality performance, compatibility, and advanced error detection. These Smart Memory modules are validated and tested extensively on HPE platforms to help reduce downtime and enhance server health monitoring.
Benefits of HPE Smart Memory
- Full compatibility with HPE server BIOS and diagnostics
- Proactive alerting and monitoring through HPE Integrated Lights-Out (iLO)
- Reduced data corruption risks with advanced ECC algorithms
- Lower TCO (Total Cost of Ownership) through enhanced reliability
- Smart integration with HPE’s system management tools
Ideal Use Cases for the HPE P64987-B21 96GB DDR5 Module
This memory module is ideal for a wide range of business-critical and performance-intensive workloads, including:
Virtualization and Cloud Computing
With large memory capacity and high-speed DDR5 throughput, this module is perfect for virtualized environments and cloud workloads. It allows for more virtual machines per server and faster application response times.
Database and Analytics Applications
For in-memory databases and real-time analytics, the 96GB DDR5-6400 Smart Memory enables high-speed data access and low latency processing, critical for enterprise database performance.
Artificial Intelligence and Machine Learning
AI/ML workloads depend on massive datasets and fast computation. The HPE P64987-B21 delivers the required memory bandwidth to handle real-time learning models and large-scale data processing.
High-Performance Computing (HPC)
Scientific simulations, engineering calculations, and other HPC tasks benefit from the parallelism and throughput offered by this DDR5 module, especially in clustered environments and hybrid infrastructures.
Performance Efficiency and Power Optimization
Running at just 1.1 volts, the P64987-B21 is designed for energy-efficient operation. With data centers under pressure to manage power usage effectively, this module provides a balance of performance and efficiency that meets modern environmental and budgetary demands.
Lower Power, Higher Output
Compared to DDR4 equivalents, this memory module consumes less power per bit transferred while delivering significantly higher output. The on-die ECC and command/address training features allow for cleaner signal integrity and lower error rates, especially at high speeds like 6400MT/s.
Compatibility with HPE Server Systems
The HPE P64987-B21 memory is officially certified for use with various HPE ProLiant Gen11 and Gen10 Plus server families. It is engineered to integrate seamlessly with server firmware and management tools to deliver system-wide optimization, ensuring enhanced performance and long-term reliability.
Compatible Server Models Include:
- HPE ProLiant DL380 Gen11
- HPE ProLiant DL360 Gen11
- HPE ProLiant ML350 Gen11
- HPE Synergy and Apollo high-density servers
- HPE BladeSystem platforms (with Gen11 support)
Advanced Reliability and Error Correction Features
This Smart Memory module employs robust ECC mechanisms, such as Chipkill, write CRC, post-package repair, and command/address parity. These features reduce memory failure risks and protect against system crashes or data corruption.
ECC and RCD Integration
With a built-in Register Clock Driver (RCD), the HPE P64987-B21 manages command signals efficiently, enabling higher speeds and more reliable operation. ECC functionality detects and corrects common memory errors in real time, enhancing uptime and minimizing the risk of unplanned outages.
Future-Ready Infrastructure Support
The P64987-B21 is not just built for today’s workloads—it’s engineered to support future applications that demand even greater memory speed and capacity. As data centers shift toward AI-native, containerized, and memory-first architectures, this DDR5 module provides the scalability and performance necessary for next-gen deployments.
Server-Grade Memory for Long-Term ROI
Unlike consumer-grade RAM, this server-grade memory module is validated for long operating lifespans, extended workloads, and 24/7 uptime scenarios. Investing in the P64987-B21 helps enterprises ensure both forward-compatibility and operational stability for years to come.
Installation and Configuration Best Practices
To get the most out of the HPE P64987-B21 96GB memory, it's essential to follow best practices when installing and configuring memory across multiple DIMM channels.
Dual Rank Configuration Tips
- Use matched memory pairs across channels to enable interleaving
- Install memory in accordance with HPE’s server-specific DIMM population rules
- Maintain balance between CPUs when using multi-socket systems
- Monitor memory health via HPE iLO to preempt potential failures
Firmware Updates for Compatibility
Always ensure your server’s BIOS and firmware are updated to the latest version to maintain full compatibility and unlock all DDR5-related performance features.
Buy With Confidence: HPE Quality Assurance
Every P64987-B21 module is rigorously tested through HPE’s extensive quality assurance process. From thermal cycling and stress testing to compatibility checks and BIOS-level validations, this Smart Memory undergoes a multi-step quality assurance procedure that ensures maximum uptime and optimal performance under all conditions.
Warranty and Support
When purchased from an authorized HPE reseller, the P64987-B21 comes with a limited lifetime warranty and is eligible for HPE Pointnext support services, offering peace of mind and round-the-clock technical assistance from memory experts.
