Micron 32GB DDR5-6400 ECC RDIMM Server Memory MTC20F2085S1RC64BD2

Brand: Micron | Category: Memory (RAM)

SKU: MTC20F2085S1RC64BD2 | Part #: MTC20F2085S1RC64BD2

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Product Overview

The Micron 32GB DDR5-6400 ECC RDIMM represents the pinnacle of server memory technology, engineered to meet the relentless performance and reliability demands of modern enterprise computing. As data centres evolve to support AI/ML workloads, in-memory databases, and hyperscale virtualisation, DDR5 RDIMM modules like this one have become the foundational memory substrate that makes it all possible. Manufactured by Micron Technology — one of the world's most trusted semiconductor and memory manufacturers — this module delivers a massive leap in bandwidth, capacity density, and power efficiency over its DDR4 predecessors, making it an essential upgrade for any organisation running next-generation Intel Xeon Scalable (Sapphire Rapids and beyond) or AMD EPYC (Genoa/Bergamo/Turin) server platforms.

Operating at a blazing 6400 MT/s data rate, this RDIMM sets a new standard for memory throughput in single- and dual-socket server configurations. The on-die ECC (Error Correcting Code) technology, combined with the module-level ECC inherent to RDIMM architecture, provides multi-layered data integrity protection — a non-negotiable requirement for mission-critical enterprise environments where data corruption is simply not an option. Whether you are scaling out a cloud-native Kubernetes cluster, accelerating real-time analytics, or building a high-density virtual machine farm, this Micron DDR5-6400 RDIMM delivers the bandwidth, capacity, and reliability your infrastructure demands.

Key Features & Benefits

• DDR5-6400 Speed Grade: Operating at 6400 MT/s, this module delivers up to twice the theoretical peak bandwidth of DDR4-3200, dramatically accelerating memory-intensive workloads such as AI inference, HPC simulations, and large database transactions.
• 32GB Capacity per DIMM: With 32GB per stick, server platforms can achieve high total memory configurations without exhausting DIMM slots, preserving channel bandwidth and enabling cost-effective memory scaling in multi-socket systems.
• Registered (RDIMM) Architecture: The on-module register chip buffers command and address signals, allowing the memory controller to drive more DIMMs per channel reliably — essential for high-density server deployments where maximum RAM per CPU socket is required.
• ECC (Error Correcting Code) Protection: Detects and corrects single-bit errors in real time while detecting multi-bit errors, ensuring continuous operation and data integrity in 24/7 enterprise and cloud environments.
• On-Die ECC (ODECC): DDR5 introduces on-die ECC at the DRAM chip level, adding an additional layer of error correction before data even reaches the memory controller — significantly improving reliability over DDR4.
• Improved Power Efficiency: DDR5 operates at 1.1V versus DDR4's 1.2V, reducing per-module power consumption and contributing to lower TCO (Total Cost of Ownership) in large-scale deployments with hundreds or thousands of DIMMs.
• Dual Sub-Channel Architecture: DDR5 introduces two independent 32-bit sub-channels per DIMM (versus DDR4's single 64-bit channel), improving memory access parallelism and reducing latency for burst workloads.
• Brand New Condition: Supplied sealed and factory-fresh from Micron's manufacturing line, guaranteeing full component integrity, authentic part provenance, and eligibility for vendor support programmes.

Technical Architecture

The Micron MTC20F2085S1RC64BD2 is built on Micron's advanced 1-beta (1β) DRAM process node, which enables higher density, lower power consumption, and improved signal integrity compared to previous manufacturing generations. The module features a 288-pin DDR5 DIMM form factor, making it physically and electrically compatible with DDR5-capable server motherboards and ensuring straightforward integration into qualifying platforms.

The RDIMM (Registered DIMM) designation is critical for enterprise deployments. Unlike UDIMMs (Unbuffered DIMMs) used in desktop and workstation applications, RDIMMs incorporate a Register Control Device (RCD) that sits between the memory controller and the DRAM chips. This register buffers the command, address, and clock signals, reducing the electrical load on the memory controller and enabling larger memory configurations — typically up to two DIMMs per channel per CPU — without signal integrity degradation. This architecture is why RDIMMs are the standard choice for virtually all enterprise server platforms from vendors including Dell, HPE, Lenovo, Supermicro, and Inspur.

DDR5's dual sub-channel design is a fundamental architectural shift from DDR4. Each DDR5 DIMM presents two independent 32-bit wide channels to the memory controller, effectively doubling the number of memory access paths and improving burst efficiency, particularly for the scattered, irregular memory access patterns typical of AI inference and OLAP workloads. Combined with the on-board power management integrated circuit (PMIC), which replaces the motherboard-based voltage regulation used in DDR4, DDR5 RDIMMs deliver more stable and efficient power delivery directly at the module level.

Performance & Capacity

At DDR5-6400, this Micron RDIMM achieves a theoretical peak bandwidth of approximately 51.2 GB/s per module — a dramatic improvement over DDR4-3200's ~25.6 GB/s ceiling. In a dual-socket server populated with multiple channels of DDR5-6400, aggregate memory bandwidth can exceed 400 GB/s, a figure that was previously achievable only with specialised HBM-equipped accelerators. This bandwidth is transformative for workloads such as large language model (LLM) inference, real-time streaming analytics, genomics processing, and financial risk modelling.

The 32GB per-module capacity allows a typical two-socket server with 16 DIMM slots to achieve 512GB of total installed RAM using this module exclusively — sufficient for large in-memory databases (Oracle, SAP HANA, Redis), extensive VM farms, or containerised microservices environments. For platforms supporting more DIMMs per channel or higher-density configurations, even greater total memory is achievable. The combination of high per-DIMM capacity and high data rate makes DDR5-6400 RDIMMs the most balanced option for capacity-optimised and bandwidth-optimised server builds simultaneously.

Compatibility & Integration

This Micron DDR5-6400 ECC RDIMM is designed for compatibility with server platforms based on Intel Xeon Scalable (4th and 5th generation, codenamed Sapphire Rapids and Emerald Rapids) and AMD EPYC (4th and 5th generation, codenamed Genoa, Bergamo, and Turin) processors. These CPU families natively support DDR5 memory and are the current standard for enterprise server deployments across hyperscalers, cloud providers, and on-premises data centres.

• Supported Server Vendors: Dell PowerEdge (R760, R860, R960 series), HPE ProLiant (DL380 Gen11, DL560 Gen11), Lenovo ThinkSystem (SR650 V3, SR860 V3), Supermicro (X13 platform), Inspur, H3C, and Huawei FusionServer Pro series.
• Operating Systems: Fully compatible with VMware vSphere 8.x, Red Hat Enterprise Linux 9.x, Ubuntu Server 22.04 LTS and later, Windows Server 2022 and 2025, and all major enterprise Linux distributions.
• Standards Compliance: Conforms to JEDEC DDR5 SDRAM standards (JESD79-5B), ensuring broad platform compatibility and interoperability.
• RAS Features: Supports Post Package Repair (PPR), on-die ECC, module-level ECC, rank sparing, and memory mirroring (platform-dependent), providing comprehensive reliability, availability, and serviceability capabilities required by enterprise SLAs.

Ideal Use Cases

• AI & Machine Learning Infrastructure: Large language model training and inference workloads demand extreme memory bandwidth to feed GPU and CPU compute cores efficiently. DDR5-6400 RDIMMs provide the sustained throughput required to prevent memory bottlenecks in AI accelerator servers.
• High-Density Server Virtualisation: VMware vSphere, Microsoft Hyper-V, and KVM environments benefit directly from high per-DIMM capacity and bandwidth, enabling more VMs per host with better memory overcommit headroom and reduced memory ballooning pressure.
• In-Memory Databases & Real-Time Analytics: Platforms such as SAP HANA, Oracle TimesTen, Redis Enterprise, and SingleStore require vast amounts of low-latency, high-bandwidth memory. DDR5-6400 RDIMMs are purpose-built for these demanding in-memory computing scenarios.
• High-Performance Computing (HPC): Scientific simulations, computational fluid dynamics, molecular modelling, and financial Monte Carlo simulations all exhibit high memory bandwidth sensitivity. DDR5-6400 delivers the bandwidth headroom needed to fully utilise modern many-core Xeon and EPYC processors.
• Cloud & Hyperscale Data Centres: Cloud service providers operating multi-tenant infrastructure require memory that is both high-capacity and RAS-feature-rich. ECC RDIMMs are the industry-standard choice for public cloud, private cloud, and colocation server fleets.
• OLAP & Business Intelligence: Complex analytical queries scanning billions of rows benefit enormously from higher memory bandwidth, making DDR5-6400 the ideal upgrade for servers running Microsoft SQL Server, Snowflake on-prem deployments, or Spark-based data lakehouse architectures.

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. When you source Micron DDR5 memory through Omnixon, you benefit from local Dubai-based stock availability, reducing exposure to global supply chain delays and ensuring your infrastructure projects remain on schedule. Our team of enterprise IT specialists understands the nuances of memory compatibility, server platform qualification, and data centre procurement — providing expert pre-sales guidance to ensure you select the right module for your specific platform and workload. Omnixon maintains strong relationships with leading OEM and ODM server vendors operating across Saudi Arabia, UAE, Qatar, Kuwait, Bahrain, Oman, and wider international markets, making us the preferred procurement partner for large-scale memory refresh and new server deployment projects throughout the region.

Related Products & Ecosystem

To build a complete, high-performance server infrastructure, consider complementing your Micron DDR5-6400 RDIMM investment with related products available through Omnixon. Enterprise SSDs — including NVMe U.2 and E3.S form factor drives — provide the storage I/O performance needed to match DDR5 memory bandwidth in data-intensive environments. High-performance CPUs from Intel Xeon and AMD EPYC families are the natural processing partners for DDR5 platforms. Network Adapters and NICs with 25GbE, 100GbE, or 400GbE connectivity ensure that data ingestion and egress keep pace with your server's enhanced compute and memory capabilities. Server Rack & Enclosure solutions, along with enterprise-grade UPS and Power Protection systems, round out the physical infrastructure needed to house and protect your DDR5-equipped server fleet. Explore Omnixon's full catalogue of Servers, Storage Systems, and Network components to source your complete data centre build from a single trusted regional partner.