S3Q76A HPE 128GB Ddr5-5600MT/s Pc5-44800 Cl52 Ecc Memory.

Overview of HPE S3Q76A 128GB DDR5 Server Memory 

The HPE S3Q76A Cray XD 128GB DDR5 Registered Memory module is engineered for modern enterprise servers that demand exceptional performance, reliability, and scalability. Designed specifically for high-performance computing environments, this DDR5 RDIMM delivers next-generation memory speed, improved power efficiency, and advanced data integrity protection. Organizations operating large-scale data centers, scientific computing clusters, and AI workloads can benefit from the outstanding capabilities of this high-capacity server memory module.

General Information

• Manufacturer: HPE
• Part Number: S3Q76A
• Product Type: Memory Module

Technical Specifications

• 128GB high-density memory capacity
• Advanced DDR5 SDRAM architecture
• 5600MT/s memory transfer rate
• PC5-44800 memory bandwidth
• ECC error correction for improved data reliability
• Registered signal processing for stability
• Dual-rank x4 memory configuration
• 288-pin RDIMM form factor
• Low 1.1V operating voltage
• Designed for HPE Cray XD server platforms

Memory Module Physical Details

• Form Factor: 288-pin RDIMM
• Module Type: Registered DIMM
• Shipping Height: 1.00 inch
• Shipping Depth: 6.75 inches
• Shipping Weight: 0.20 lb

The HPE S3Q76A 128GB DDR5-5600MT/s PC5-44800 Memory

The HPE S3Q76A 128GB DDR5-5600MT/s PC5-44800 ECC Registered Dual Rank 288-pin RDIMM Standard Memory represents a significant advancement in server memory technology designed for enterprise-level workloads and modern data center environments. As organizations increasingly rely on high-performance computing, virtualization, artificial intelligence, big data analytics, and cloud-based applications, the demand for reliable and high-capacity memory solutions continues to grow. This category of DDR5 registered memory modules is engineered to meet the requirements of modern servers, particularly HPE ProLiant Gen11 systems and other compatible enterprise platforms.

High-Capacity 128GB Memory

The 128GB DDR5 RDIMM capacity enables servers to process enormous datasets efficiently. This large memory footprint supports applications requiring substantial RAM allocation such as AI model training, big data analytics, virtualization clusters, and complex engineering simulations.

DDR5 Memory Architecture

DDR5 SDRAM is the next generation of double data rate synchronous dynamic random-access memory designed to deliver substantial improvements in speed, efficiency, and scalability. The HPE S3Q76A memory module utilizes DDR5 technology, operating at a high data rate of 5600MT/s, which significantly increases memory bandwidth compared to DDR4 solutions. The DDR5 architecture introduces several enhancements including improved power management, increased bank groups, higher burst lengths, and improved command efficiency. These improvements allow modern servers to handle more data operations simultaneously while reducing latency and improving system responsiveness.

Higher Bandwidth and Performance Capabilities

One of the most notable advantages of DDR5 memory is its increased bandwidth. The PC5-44800 specification indicates a theoretical maximum bandwidth of 44.8GB per second per module. This level of throughput allows servers to process large datasets more efficiently, enabling faster computation for enterprise workloads. Applications such as large-scale databases, scientific simulations, virtualization platforms, and cloud services benefit greatly from higher memory bandwidth. As processors continue to increase in core counts, DDR5 memory ensures that CPUs receive data quickly enough to prevent performance bottlenecks.

Improved Power Efficiency

DDR5 memory modules incorporate improved voltage regulation compared to DDR4. The integration of on-module power management integrated circuits allows for better power distribution and improved energy efficiency. This reduces overall power consumption in large-scale server deployments. Energy-efficient memory is particularly important for modern data centers where thousands of servers operate continuously. Lower power consumption reduces operational costs and contributes to sustainable infrastructure initiatives.

DDR5-5600MT/s Speed

The module operates at a data transfer rate of 5600MT/s. This speed represents a major leap forward in memory performance compared to earlier DDR4 speeds such as 2666MT/s or 3200MT/s. Faster memory speeds enable servers to move data between memory and processors more quickly, reducing latency and increasing system throughput.

ECC Registered Memory Technology

The HPE S3Q76A memory module incorporates Error-Correcting Code technology along with registered buffering. ECC memory is essential in enterprise environments because it automatically detects and corrects memory errors that may occur during data processing. Memory errors can result from electrical interference, cosmic radiation, or hardware faults. ECC technology identifies these errors and corrects them before they impact system operations, ensuring data integrity and reliability.

Dual Rank Memory Configuration

The dual rank configuration of the HPE S3Q76A module further improves performance by allowing the memory controller to access multiple sets of memory chips within the same module. This improves efficiency during memory operations and allows better utilization of available bandwidth.

288-Pin RDIMM Design and Compatibility

The HPE S3Q76A module features a 288-pin RDIMM design, which is the standard form factor for DDR5 server memory modules. This design ensures compatibility with modern enterprise server motherboards designed to support DDR5 technology.

High Performance Computing 

High-performance computing clusters are used for scientific research, engineering simulations, weather modeling, and complex mathematical computations. These environments require large memory capacities and extremely fast data transfer rates.The HPE S3Q76A RDIMM module contributes to improved performance in HPC clusters by delivering reliable, high-speed memory access for parallel processing tasks.

Reliability and Enterprise-Grade Stability

Advanced Error Detection and Correction

Enterprise-grade memory modules incorporate advanced error detection mechanisms that identify both single-bit and multi-bit errors. ECC memory ensures that data remains accurate even when minor hardware faults occur. This reliability is essential for organizations that depend on uninterrupted system availability and data accuracy.

Thermal Stability and Durability

Server memory modules operate continuously under heavy workloads. The HPE S3Q76A module is designed with thermal stability in mind, allowing it to maintain consistent performance even in high-density server environments. High-quality components and rigorous manufacturing standards ensure long-term durability and reliability in enterprise deployments.

Future-Proof Memory Technology

Advancements Beyond DDR4

DDR5 memory technology introduces numerous improvements that make it the preferred choice for next-generation enterprise servers. These improvements include increased memory density, higher data transfer rates, improved error correction capabilities, and enhanced power management.