Micron DDR5 RDIMM 64GB 2Rx8 6400MT/s CL52 1.1V ECC Registered Server Memory MTC40F204S51RC64BH1

Brand: Micron | Category: Memory (RAM)

SKU: MTC40F204S51RC64BH1 | Part #: MTC40F204S51RC64BH1

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Product Overview

The Micron DDR5 RDIMM 64GB 2Rx8 6400MT/s (PC5-51200) CL52 ECC Registered module represents the cutting edge of enterprise server memory technology. Built on Micron's 16Gb die architecture and operating at 1.1V with optional 12V external power support, this module is engineered to meet the relentless demands of modern data centres, hyperscale cloud deployments, and AI-driven compute infrastructure. As the industry transitions from DDR4 to DDR5, Micron leads with modules that deliver exceptional bandwidth, improved signal integrity through on-die ECC, and tighter integration with next-generation Intel Xeon and AMD EPYC server platforms. This tray-packaged unit is ideal for volume deployments where rack-level memory upgrades are planned at scale.

DDR5 fundamentally changes the memory architecture compared to its predecessor. With dual 32-bit sub-channels per DIMM replacing the single 64-bit channel of DDR4, DDR5 delivers higher effective bandwidth even at equivalent data rates. The 6400MT/s transfer speed of this module — among the fastest available in the registered DIMM form factor — ensures that CPU cores are consistently fed with data at the rates modern workloads demand. Combined with Error-Correcting Code (ECC) functionality at the registered buffer level, this module provides the reliability guarantees that enterprise SLAs require.

Key Features & Benefits

• 64GB High-Density Capacity: A single DIMM delivers 64GB, enabling servers with 16 DIMM slots to reach 1TB of total system memory, supporting large in-memory databases, AI model loading, and virtual machine consolidation.
• 6400MT/s Transfer Rate (PC5-51200): Exceptional memory bandwidth that accelerates data-intensive applications including real-time analytics, HPC simulations, and deep learning inference pipelines.
• 2Rx8 Dual-Rank Architecture: The 2Rx8 organisation (two ranks using x8-wide chips) balances high capacity with broad platform compatibility, supporting a wider range of server configurations compared to x4 counterparts.
• On-Die ECC + Registered Buffer ECC: DDR5 natively incorporates on-die ECC within each DRAM chip, adding a first layer of error correction before data even reaches the memory controller. The RDIMM register provides additional signal buffering for multi-DIMM configurations.
• 1.1V Low-Voltage Operation: Operates at 1.1V, reducing power consumption per GB compared to DDR4 at 1.2V, contributing to lower PUE (Power Usage Effectiveness) in high-density rack deployments.
• 12V External Power Support: Compatible with platforms requiring 12V auxiliary power input to the DIMM, future-proofing the module for next-generation server board designs that leverage the DDR5 power management architecture.
• 16Gb Micron Die (7625 Series): Built on Micron's proven 16Gb DRAM die, offering excellent yield, consistency across tray batches, and alignment with Micron's rigorous qualification processes for enterprise reliability.
• Tray Packaging for Volume Deployment: Supplied in tray format without retail packaging, optimised for data centre integrators, OEM builders, and enterprise IT teams deploying memory upgrades at scale.

Technical Architecture

This module uses DDR5 SDRAM technology organised in a 2-rank, x8 configuration across a 288-pin RDIMM (Registered Dual Inline Memory Module) form factor. Each rank consists of 16Gb Micron DRAM chips arranged in a dual-channel sub-architecture native to DDR5, which splits the traditional 64-bit wide bus into two independent 32-bit channels. This architectural shift allows the memory controller to issue independent commands to each sub-channel simultaneously, increasing parallelism and effective throughput.

The registered clock driver (RCD) on the RDIMM re-drives the command, address, and control signals, reducing electrical load on the memory controller and enabling higher DIMM counts per channel compared to unbuffered (UDIMM) designs. The CL52 primary latency at 6400MT/s corresponds to an absolute latency of approximately 16.25 nanoseconds, competitive with DDR4 modules at lower speeds and acceptable for the vast majority of server workloads where bandwidth, not raw latency, is the limiting factor.

Power delivery on DDR5 is significantly different from DDR4. Each DDR5 DIMM contains an on-module Power Management Integrated Circuit (PMIC) that regulates voltage rails internally, with the 12V external input serving as the primary supply to the PMIC. This moves voltage regulation from the motherboard VRM to the DIMM itself, improving accuracy and allowing per-module power optimisation. The module is fully compliant with JEDEC DDR5 SPD (Serial Presence Detect) standards, enabling automatic configuration by the system BIOS on compatible platforms.

Performance & Capacity

At 6400MT/s, a single DDR5 RDIMM provides a theoretical peak bandwidth of approximately 51.2 GB/s per channel. In a dual-channel memory configuration (two DIMMs), system bandwidth reaches over 100 GB/s, and in multi-socket servers with eight or more DIMM slots per CPU, aggregate memory bandwidth can exceed 400 GB/s — critical for feeding GPU accelerators in AI inference nodes or sustaining throughput in in-memory OLAP engines such as SAP HANA or Oracle TimesTen.

The 64GB per-DIMM capacity means a standard 2-socket server with 32 DIMM slots can achieve 2TB of total system memory using this module alone. This density is ideal for SAP HANA scale-up deployments, large-scale virtual machine consolidation on VMware vSphere or Microsoft Hyper-V, and hosting containerised microservices at scale on Kubernetes clusters. Compared to 32GB DDR5 modules, the 64GB configuration halves the number of DIMMs required to reach target memory capacity, reducing power consumption and improving airflow within the chassis.

Compatibility & Integration

This Micron DDR5 RDIMM is designed to be compatible with server platforms that support DDR5 RDIMM at 6400MT/s, including those based on Intel Xeon Scalable (Sapphire Rapids and Emerald Rapids) and AMD EPYC (Genoa, Bergamo, and Siena) processors. These platforms natively support DDR5 and include memory controllers capable of operating at the full 6400MT/s data rate when qualified modules are installed.

• JEDEC DDR5 RDIMM standard compliant
• 288-pin DDR5 DIMM slot compatibility
• Intel Xeon Scalable 4th and 5th Generation platforms
• AMD EPYC 9004 Series (Genoa/Bergamo) platforms
• Compatible with major server OEMs: Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, Supermicro, Inspur, Huawei FusionServer
• BIOS auto-configuration via JEDEC SPD
• RoHS compliant
• Micron enterprise qualification and reliability standards

Ideal Use Cases

• AI & Machine Learning Inference: Large language models and deep learning inference workloads require massive in-memory datasets. The 64GB capacity and 6400MT/s bandwidth ensure GPU accelerators and CPU inference engines are not memory-starved.
• In-Memory Databases (IMDB): SAP HANA, Redis, VoltDB, and similar platforms keep entire datasets in RAM. High-density DDR5 RDIMMs maximise the data footprint per server, reducing the number of nodes required in a cluster.
• Virtual Machine Consolidation: Enterprise virtualisation on VMware vSphere, Microsoft Hyper-V, and Red Hat OpenShift benefits directly from increased per-server RAM, enabling higher VM densities and better resource utilisation ratios.
• High-Performance Computing (HPC): Scientific simulations, computational fluid dynamics, genomics processing, and financial risk modelling rely on sustained high memory bandwidth. The 6400MT/s transfer rate directly accelerates these throughput-bound applications.
• Cloud Service Provider Infrastructure: CSPs deploying bare-metal servers or multi-tenant virtual private cloud environments benefit from the combination of high capacity, ECC reliability, and energy efficiency to deliver cost-effective, stable services to tenants.
• OLAP & Real-Time Analytics: Data warehousing platforms such as Snowflake on-premises, Teradata, and ClickHouse benefit from the large memory footprint and high bandwidth when scanning columnar data at terabyte scale.
• Container & Kubernetes Orchestration Nodes: Memory-intensive workloads in Kubernetes, including data pipeline pods, ML training jobs, and stateful microservices, benefit from the expanded addressable memory space these modules provide per node.

Why Buy from Omnixon

Omnixon Global is a trusted B2B IT hardware distributor headquartered in Dubai, UAE, serving enterprise clients across the GCC region and internationally. Our inventory of Micron DDR5 server memory modules is maintained in-region, reducing procurement lead times for customers in the UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, and across the broader Middle East and Africa. Our team of enterprise hardware specialists can assist with compatibility verification, configuration planning, and volume procurement, ensuring that your memory upgrade project is executed efficiently and accurately. Whether you are scaling a hyperscale data centre, refreshing server infrastructure, or building out an AI compute cluster, Omnixon provides the technical expertise and regional logistics capability to support your deployment at every stage.

Related Products & Ecosystem

To build a complete, optimised server memory infrastructure, consider pairing this DDR5 RDIMM with complementary products available from Omnixon. High-performance enterprise SSDs — including NVMe U.2 and E1.S form-factor drives from Micron, Samsung, and Kioxia — provide the storage tier to match DDR5 memory bandwidth. CPUs from Intel Xeon and AMD EPYC families are the natural platform partners for this module. Enterprise servers from Dell EMC, HPE, Lenovo, and Supermicro are all supported platforms. For network-intensive deployments, high-speed NICs and transceivers ensure that memory bandwidth translates to end-to-end system throughput. UPS and power protection systems from APC, Eaton, and Vertiv safeguard your investment in high-density memory infrastructure against power anomalies.