MEM-DR432L-HL03-ER32 Supermicro 32GB DDR4 SDRAM 3200Mhz Pc4-25600 Ecc Reg Dual Rank X8 288-pin Rdimm

Overview of Supermicro 32GB DDR4 Registered ECC Memory 

The Supermicro 32GB DDR4 SDRAM Memory Module is engineered for enterprise-level computing environments that demand stability, speed, and data integrity. Designed with advanced server-grade architecture, this memory module delivers reliable performance for data centers, virtualization systems, and mission-critical workloads.

General Information

• Brand : Supermicro
• Part Number: MEM-DR432L-HL03-ER32
• Product Type: Memory Module

Technical Specifications

• Storage Capacity: 32GB
• Memory Technology: DDR4 SDRAM
• Memory Speed: 3200MHz
• Bandwidth Standard: PC4-25600 / DDR4-3200A
• Signal Processing Type: Registered (Buffered)
• Rank Structure: 2Rx4 configuration
• CAS Latency: CL22

Form Factor and Compatibility

• Form Factor: 288-pin RDIMM
• Compatible with supported server motherboards
• Designed for rack servers and data center systems

Size and Shipping Details

Product Dimensions

• Height: 1.00 inch
• Depth: 6.75 inches
• Shipping Weight: 0.20 lb

The Supermicro MEM-DR432L-HL03-ER32 32GB Memory 

The Supermicro MEM-DR432L-HL03-ER32 32GB DDR4 3200MHz PC4-25600 CL22 ECC Registered Dual Rank X8 1.2V 288-pin RDIMM memory module belongs to a specialized class of enterprise-grade server memory designed for mission-critical computing environments. This category of memory is engineered specifically for high-density workloads, demanding virtualization platforms, large-scale databases, cloud infrastructures, and data-intensive applications that require maximum reliability, stability, and sustained performance under continuous operational loads. Unlike standard consumer memory modules, ECC Registered DIMM (RDIMM) technology integrates advanced buffering and error correction capabilities that significantly enhance system integrity and reduce the likelihood of data corruption in complex computing environments.

DDR4 ECC RDIMM Memory

DDR4 SDRAM technology represents a significant advancement over previous DDR generations, offering improved prefetch architecture, enhanced signal integrity, and higher density support. The 3200MHz frequency classification, also known as PC4-25600 bandwidth, ensures that the module is capable of transferring up to 25.6GB/s per channel under ideal conditions. This level of throughput is essential for workloads that require continuous data streaming, such as virtualization clusters, high-performance computing nodes, and enterprise database engines.

DDR4 3200MHz Frequency

The 3200MHz operating frequency of this memory module enables significantly higher data throughput compared to lower-speed DDR4 variants such as 2133MHz or 2400MHz modules. This improvement in frequency translates directly into reduced latency in data access operations and improved responsiveness in memory-intensive workloads. The PC4-25600 specification defines the peak theoretical bandwidth, which is particularly beneficial for applications that require parallel processing and simultaneous data access across multiple threads and cores.

ECC Registered Memory 

Error-Correcting Code (ECC) memory is a fundamental requirement in enterprise computing environments where data accuracy and system reliability are critical. ECC technology detects and corrects single-bit memory errors in real time, preventing data corruption and system crashes that could otherwise result in significant operational disruptions. In mission-critical applications such as financial systems, cloud computing platforms, and scientific simulations, even minor memory errors can have substantial consequences.

Error Detection and Correction Memory

ECC memory operates by generating parity bits for stored data, allowing the system to detect inconsistencies during read and write operations. When a single-bit error is identified, the memory controller automatically corrects the error without interrupting system processes. This continuous error monitoring system ensures that computational accuracy is maintained across all active workloads.

Registered DIMM Buffering and Signal Stability 

The registered DIMM architecture introduces a buffer between the memory controller and DRAM chips, which reduces electrical loading and improves signal timing accuracy. This is particularly beneficial in systems with high memory density configurations, where multiple modules are installed across several memory channels. By stabilizing command and address signals, RDIMM technology allows for more reliable memory operations under heavy computational loads.

Dual Rank X8 Memory Configuration

The dual rank configuration of this memory module refers to the organization of memory chips into two separate sets of addressable data blocks. This architecture allows the memory controller to interleave data access between ranks, improving overall efficiency and reducing latency in certain workloads. Dual rank memory modules often provide better performance in multi-threaded environments compared to single rank alternatives due to improved parallel access capabilities.

Compatibility with Supermicro Server Platforms

The Supermicro MEM-DR432L-HL03-ER32 module is designed for compatibility with a wide range of Supermicro server motherboards and enterprise computing platforms that support DDR4 ECC Registered DIMM configurations. Supermicro is widely recognized for its high-performance server solutions used in data centers, cloud infrastructures, and enterprise IT environments. This memory module is optimized to work seamlessly with such systems, ensuring maximum stability and performance. Compatibility considerations include support for Intel Xeon Scalable processors and AMD EPYC server CPUs, both of which are commonly used in modern enterprise environments. These processors are designed to leverage high-bandwidth memory architectures, making DDR4 3200MHz RDIMM modules an ideal match for achieving optimal system performance.

Latency with CL22 Timing

The CAS latency of CL22 ensures a balance between speed and stability, providing reliable performance for enterprise applications. This timing configuration is optimized for modern server architectures.

288-Pin RDIMM Form Factor

The 288-pin design ensures compatibility with a wide range of server motherboards that support DDR4 RDIMM memory. This standard form factor allows for easy installation and integration into existing systems.