Kingston 64GB DDR5 6400MT/s ECC Registered DIMM 2Rx4 Server RAM KSM64RS2BD4-64MD

Brand: Kingston | Category: Memory (RAM)

SKU: KSM64RS2BD4-64MD | Part #: KSM64RS2BD4-64MD | MPN: KSM64RS2BD4-64MD

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Product Overview

The Kingston Server Premier DDR5 64GB 6400MT/s ECC Registered DIMM (2Rx4) with Micron D-die is a flagship enterprise memory module purpose-built for the demands of modern data centres, high-performance computing clusters, and mission-critical server infrastructure. As one of the most advanced DDR5 RDIMMs available today, this module represents a significant leap forward from DDR4, delivering dramatically higher bandwidth, improved power efficiency, and on-die ECC capabilities that make it ideal for workloads where data integrity and throughput are non-negotiable.

Kingston Technology, a globally trusted leader in server memory manufacturing, has engineered this module using premium Micron D-die ICs — one of the highest-binned DRAM components available in the industry. This IC selection ensures not only outstanding raw performance at 6400MT/s but also superior stability under sustained enterprise workloads, making it a preferred choice for IT procurement teams equipping next-generation Intel Xeon Scalable and AMD EPYC server platforms.

For enterprises in the UAE, GCC, and broader MENA region upgrading to DDR5-based server architectures, this Kingston module provides a compelling combination of speed, capacity, and reliability, all backed by Kingston's rigorous validation processes and Omnixon Global's in-region availability.

Key Features & Benefits

• High-Speed DDR5 at 6400MT/s: Operates at 6400 megatransfers per second, delivering nearly double the raw bandwidth of DDR4-3200, enabling faster data movement across CPU, memory, and storage subsystems in demanding enterprise applications.
• 64GB High-Density Capacity: A single 64GB DIMM per slot maximises memory density in multi-socket servers, reducing the number of modules needed while freeing slots for future scalability or mixed-capacity configurations.
• ECC (Error-Correcting Code) Protection: Hardware-level ECC continuously detects and corrects single-bit memory errors in real time, preventing data corruption and unplanned downtime — essential for financial systems, databases, and healthcare IT environments.
• Registered (RDIMM) Buffer Architecture: The registered design offloads electrical load from the memory controller, enabling higher module counts per channel and greater overall system memory capacity without sacrificing signal integrity or stability.
• Micron D-Die ICs — Premium DRAM Components: Fabricated on Micron's advanced process node, the D-die chips offer excellent performance headroom, thermal characteristics, and long-term reliability compared to standard commercial DRAM dies.
• On-Die ECC (ODECC) — DDR5 Native Feature: DDR5 introduces on-die ECC as an architectural standard, correcting errors within the DRAM die itself before data reaches the memory bus, adding a layer of protection beyond traditional DIMM-level ECC.
• CL52 Latency Profile: While operating at extremely high transfer rates, the CL52 latency is optimised for the 6400MT/s frequency class, balancing throughput and access latency for mixed read/write workloads typical in virtualised and HPC environments.
• 2Rx4 Dual-Rank Organisation: The dual-rank, x4 device width configuration maximises memory bus utilisation, improving memory interleaving efficiency and delivering more consistent bandwidth under parallel multi-threaded workloads.

Technical Architecture

This module is constructed in the industry-standard 288-pin DDR5 RDIMM form factor. The 2Rx4 organisation means the module contains two independent ranks of memory, each using x4-width DRAM devices. This configuration improves memory controller scheduling efficiency and enhances overall throughput in workloads that issue simultaneous read and write commands across multiple memory banks.

DDR5 introduces a fundamentally redesigned electrical architecture compared to DDR4. Voltage regulation has been moved from the motherboard to the DIMM itself via an on-board Power Management IC (PMIC), delivering cleaner, more precise voltage to each DRAM die and reducing noise on the memory bus. The module operates at 1.1V, lower than DDR4's 1.2V standard, contributing to reduced thermal output per gigabyte of memory — a meaningful advantage in high-density rack deployments where thermal management directly impacts total cost of ownership.

The registered (buffered) architecture incorporates a Register Control Device (RCD) on each DIMM. The RCD buffers command and address signals from the memory controller, re-driving them to the DRAM devices. This allows platforms to support more DIMMs per channel without signal integrity degradation, directly enabling the high memory capacities required in modern virtualisation hosts and in-memory database servers.

Kingston validates each module through extensive compatibility testing against major server platforms, including both pre-production validation with silicon partners and ongoing interoperability testing with released server BIOS/firmware versions, ensuring seamless integration with enterprise IT environments.

Performance & Capacity

At 6400MT/s with a 64-bit wide data bus (plus 8-bit ECC), each module delivers a theoretical peak bandwidth of approximately 51.2 GB/s per channel. In a dual-channel or quad-channel server configuration, aggregate memory bandwidth can exceed 100–200 GB/s, which is critical for bandwidth-hungry workloads such as AI inference, large-scale in-memory analytics, and real-time data streaming.

The 64GB per-module density allows servers with 24 DIMM slots — common in dual-socket Intel Xeon Scalable platforms — to reach up to 1.5TB of total system memory in a single server node, a configuration increasingly demanded by large-scale virtual machine hosts and SAP HANA deployments. In 4-socket and 8-socket configurations, multi-terabyte memory pools become achievable with this single module density.

The CL52 latency at 6400MT/s translates to an absolute memory latency comparable to or better than many lower-frequency DDR4 modules when accounting for the higher clock frequency, ensuring that latency-sensitive transactional database workloads are not penalised for using the higher-speed tier.

Compatibility & Integration

This Kingston DDR5 RDIMM is designed for compatibility with server platforms based on Intel Xeon Scalable 4th and 5th Generation processors (Sapphire Rapids and Emerald Rapids) and AMD EPYC 4th Generation (Genoa/Bergamo) processors, both of which natively support DDR5 memory channels. It adheres to JEDEC DDR5 RDIMM standards, ensuring interoperability with compliant server platforms from major OEMs including Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, Supermicro, and others.

Kingston provides a System Compatibility Tool (Kingston's online configurator) that allows IT administrators and procurement teams to verify exact compatibility by server model before purchase, reducing the risk of interoperability issues in mixed or upgrade environments. The module also complies with RoHS environmental directives and carries standard industry certifications expected by enterprise procurement departments.

Ideal Use Cases

• AI & Machine Learning Inference Servers: High-bandwidth DDR5 memory accelerates data feeding to AI accelerators (GPUs/NPUs), reducing memory bottlenecks during large-model inference and batch-processing pipelines.
• Enterprise Virtualisation Hosts: High-density 64GB modules allow hypervisor hosts running VMware vSphere, Microsoft Hyper-V, or Red Hat OpenShift to provision more VMs per host with larger memory allocations per virtual machine.
• In-Memory Databases (SAP HANA, Redis, VoltDB): In-memory database engines require both high capacity and maximum bandwidth; DDR5-6400 with ECC provides the performance and data integrity guarantees these platforms demand.
• High-Performance Computing (HPC) Clusters: Simulations in computational fluid dynamics, climate modelling, genomics, and financial risk modelling benefit directly from higher memory bandwidth and capacity per node, reducing inter-node communication overhead.
• Cloud Service Provider Infrastructure: Hyperscale and regional cloud operators building compute-optimised or memory-optimised instance families require the highest-density, highest-bandwidth memory available to maximise revenue per rack unit.
• OLAP & Business Intelligence Workloads: Analytical databases processing large fact tables across columnar data stores leverage DDR5 bandwidth to dramatically reduce query execution times compared to DDR4-based platforms.
• Real-Time Streaming & Event Processing: High-throughput streaming platforms (Apache Kafka, Flink) benefit from large, fast memory pools that allow in-flight event buffers to reside entirely in RAM, minimising disk I/O latency.

Why Buy from Omnixon

Omnixon Global is a leading B2B IT hardware distributor headquartered in Dubai, UAE, with established supply chains and logistics infrastructure serving enterprise clients across the GCC, MENA, and global markets. We maintain in-region stock of high-demand enterprise memory modules including DDR5 RDIMMs, enabling rapid fulfilment for data centre refresh projects, urgent capacity expansions, and bulk procurement programs without the delays typically associated with international shipping and customs clearance. Our team of enterprise IT specialists provides pre-sales technical consultation, compatibility verification, and post-sales support tailored to the operational realities of regional enterprise IT environments — from single-server upgrades to multi-rack deployments. Working with Omnixon means access to genuine, manufacturer-sourced hardware with complete traceability, reducing the risk of counterfeit or grey-market components that can compromise server stability and void OEM support agreements. Whether you are a systems integrator, cloud operator, government entity, or enterprise IT department across Saudi Arabia, UAE, Qatar, Kuwait, Bahrain, Oman, or beyond, Omnixon is your trusted regional partner for sourcing critical server memory infrastructure.

Related Products & Ecosystem

To build a complete, high-performance server memory infrastructure, consider pairing this Kingston DDR5 RDIMM with complementary products available through Omnixon. Enterprise SSDs — including NVMe U.2 and E1.S form factors — provide the storage throughput needed to keep high-bandwidth memory continuously fed with data. High-core-count server CPUs from Intel Xeon and AMD EPYC families that natively support DDR5 channels are essential platform companions. For large memory-tier deployments, enterprise server platforms from Dell, HPE, Lenovo, and Supermicro with 24 or more DIMM slots maximise the density potential of 64GB modules. Network adapters with 25GbE, 100GbE, or 400GbE connectivity ensure that memory bandwidth is matched by network throughput in distributed computing and storage architectures. Additionally, UPS and power protection systems ensure that memory-intensive servers remain protected against power anomalies that could compromise ECC-corrected data in flight.