Kingston 96GB DDR5 6400MT/s ECC Registered DIMM 2Rx4 Server RAM KSM64RS2BD4-96MC

Brand: Kingston | Category: Memory (RAM)

SKU: KSM64RS2BD4-96MC | Part #: KSM64RS2BD4-96MC | MPN: KSM64RS2BD4-96MC

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Product Overview

The Kingston DRAM Server DDR5 96GB 6400MT/s ECC Registered DIMM (2Rx4, Micron C-die) represents the cutting edge of server memory technology, engineered specifically for the demands of modern enterprise data centres, cloud-native infrastructure, and AI-driven computing environments. Operating at a screaming 6400 megatransfers per second, this module delivers the bandwidth headroom that next-generation Intel Xeon Scalable (Sapphire Rapids and beyond) and AMD EPYC (Genoa, Bergamo) platforms require to keep pace with workloads ranging from in-memory databases and real-time analytics to large-scale machine learning inference.

DDR5 represents a fundamental architectural leap over DDR4, introducing on-die ECC, dual 32-bit sub-channels per DIMM, improved power management through on-module voltage regulation (PMIC), and dramatically higher density and speed bins. The 96GB capacity per DIMM is particularly significant: it allows system architects to maximise per-socket memory capacity without fully populating every slot, reducing thermal load and leaving room to expand as workloads grow. Built with Micron C-die DRAM components, this Kingston module benefits from Micron's proven reliability and optimised signal integrity at extreme frequencies.

As a Registered (RDIMM) module, it includes a register buffer that re-drives command and address signals, enabling stable operation in multi-DIMM-per-channel configurations — a requirement in enterprise servers where maximum memory capacity and fault tolerance are non-negotiable.

Key Features & Benefits

• Ultra-High Speed at 6400MT/s: Provides industry-leading DDR5 bandwidth, enabling faster data movement between CPU cores and memory subsystems — critical for latency-sensitive applications such as real-time analytics and AI inference pipelines.
• 96GB High-Density Capacity: One of the highest single-DIMM capacities commercially available in DDR5, enabling massive memory footprints per server node with fewer modules, simplifying thermal management and slot utilisation.
• ECC (Error-Correcting Code) Protection: Hardware-level single-bit error correction and multi-bit error detection ensure data integrity across 24/7 mission-critical operations — mandatory for financial systems, healthcare workloads, and compliance-regulated environments.
• Registered (RDIMM) Architecture: The integrated register buffer stabilises electrical loading on memory channels, allowing higher DIMM counts per channel and ensuring signal integrity at high frequencies in enterprise multi-socket servers.
• Micron C-Die DRAM Components: Leverages Micron's mature and high-quality DDR5 DRAM fabrication, ensuring consistent performance binning, superior yield quality, and long-term operational reliability.
• 2Rx4 Dual-Rank Organisation: The dual-rank, x4 device-width configuration maximises memory bus utilisation through rank interleaving, delivering improved effective bandwidth compared to single-rank alternatives, particularly under sustained multi-threaded access patterns.
• On-Module Voltage Regulation (PMIC): DDR5 moves voltage regulation onto the DIMM itself via a dedicated Power Management IC, reducing motherboard complexity and improving power delivery stability for sustained performance at high frequencies.
• Kingston Enterprise Quality Assurance: Each module undergoes rigorous 100% factory testing against Kingston's enterprise-class specifications, ensuring out-of-box reliability and compatibility before deployment.

Technical Architecture

This DIMM is built on the DDR5 SDRAM standard, which fundamentally redesigns the memory interface relative to DDR4. Each DDR5 DIMM features two independent 32-bit sub-channels (versus a single 64-bit channel in DDR4), effectively doubling the number of independent memory transactions that can be queued and serviced simultaneously. This architectural change is particularly beneficial under multi-threaded server workloads where numerous cores compete for memory bandwidth concurrently.

The 2Rx4 topology means the module uses two ranks of DRAM devices, each device being x4 (four data bits wide). With 18 DRAM chips per rank (16 data + 2 ECC) in a dual-rank configuration, the module achieves its 96GB density while maintaining the x4 device width preferred in server applications for its superior SECDED ECC granularity. The registered buffer (RCD — Registering Clock Driver) on the DIMM re-drives address and command signals, reducing the electrical load seen by the memory controller and enabling stable operation across all DIMM slots simultaneously.

CL52 (CAS Latency 52) at 6400MT/s represents a competitive latency profile for this speed bin. The absolute cycle time at 6400MT/s (0.3125 ns per cycle) means the actual nanosecond latency remains comparable to lower-speed DDR5 modules, preserving application responsiveness while delivering substantially higher bandwidth. The on-die ECC built into DDR5 DRAM chips provides an additional layer of protection at the DRAM cell level, working in concert with the DIMM-level ECC to create a multi-layered data integrity architecture.

Performance & Capacity

At 6400MT/s with a 64-bit data bus (effective across the two 32-bit sub-channels), each DIMM delivers a theoretical peak bandwidth of approximately 51.2 GB/s. In a dual-socket server with 12 DDR5 channels per socket (as supported by Intel Xeon Scalable 4th/5th Gen platforms) fully populated, aggregate system memory bandwidth can exceed 1.2 TB/s — transformative for bandwidth-hungry workloads such as HPC simulations, large language model (LLM) inference, and in-memory OLAP query engines.

The 96GB per-DIMM capacity allows a single 2-socket server with 24 DIMM slots to achieve up to 2.304TB of total system memory when fully populated. This density is essential for SAP HANA scale-up deployments, Oracle Database In-Memory configurations, and large Kubernetes clusters running memory-intensive microservices. Even at partial slot population — for example, one DIMM per channel — a system achieves 1.152TB with minimal power and thermal overhead.

Memory latency, while slightly higher in absolute nanoseconds than lower-speed DDR5 bins due to CL52, is offset by the bandwidth gains that reduce memory stall cycles in throughput-dominated workloads. Benchmark environments running STREAM Triad consistently show DDR5-6400 achieving 20-35% higher throughput versus DDR5-4800 baselines, with the dual-rank configuration adding a further 5-10% improvement through rank interleaving under realistic multi-core access patterns.

Compatibility & Integration

This Kingston DDR5 RDIMM is designed for compatibility with enterprise server platforms that support DDR5 Registered DIMMs, including:

• Intel Xeon Scalable 4th Generation (Sapphire Rapids) and 5th Generation (Emerald Rapids) platforms with DDR5 memory controllers
• AMD EPYC 9004 Series (Genoa, Genoa-X, Bergamo) platforms supporting DDR5 RDIMMs across 12 memory channels per socket
• Enterprise server systems from Dell PowerEdge, HPE ProLiant Gen11, Lenovo ThinkSystem, Supermicro, and Fujitsu PRIMERGY lines supporting DDR5 RDIMM
• Fully compliant with JEDEC DDR5 SDRAM standards (JESD79-5) and the DDR5 Registered DIMM specification
• Compatible with Intel TME (Total Memory Encryption) and AMD SME/SEV memory encryption technologies
• Supports JEDEC SPD (Serial Presence Detect) and DDR5 mode registers for automatic system configuration

Buyers should verify DDR5 RDIMM support on their specific server platform QVL (Qualified Vendor List) or HCL, as DDR5 BIOS support and speed bin validation vary by server generation and firmware revision.

Ideal Use Cases

• AI & Machine Learning Inference: High-bandwidth DDR5-6400 feeds large model parameter sets rapidly from memory to CPU/GPU interconnects, reducing inference latency for large language models and computer vision pipelines deployed at the edge or in enterprise data centres.
• High-Density VMware & Hyper-V Virtualisation: 96GB per DIMM enables hundreds of concurrent VMs per host, maximising VM density without memory overcommitment, ideal for VDI farms and consolidation projects.
• In-Memory Databases (SAP HANA, Oracle IMDB, Redis): Applications that load entire datasets into RAM benefit directly from massive per-node capacity and high bandwidth, enabling sub-millisecond query response times at scale.
• High-Performance Computing (HPC) & Scientific Simulation: CFD, FEA, genomics sequencing pipelines, and climate modelling workloads require sustained high-bandwidth memory access — exactly where DDR5-6400's throughput advantage is most pronounced.
• Real-Time OLAP & Business Intelligence: Columnar analytics engines (ClickHouse, Snowflake on-prem, Microsoft SQL Server Columnstore) saturate memory bandwidth; DDR5-6400 delivers the bus throughput to keep analytical query latency competitive at multi-terabyte dataset scales.
• Cloud-Native Kubernetes Clusters: Memory-intensive microservices, service mesh overhead, and container density targets all benefit from high per-node memory capacity, reducing cluster node count and associated licensing costs.
• Financial Services & Risk Modelling: Monte Carlo simulations, real-time risk aggregation, and high-frequency trading back-office workloads demand both high bandwidth and ECC-protected memory to meet uptime SLAs and regulatory data integrity requirements.

Why Buy from Omnixon

Omnixon Global is Dubai's trusted B2B IT hardware distributor, serving enterprise customers across the UAE, Saudi Arabia, Kuwait, Qatar, Bahrain, Oman, and broader international markets. We maintain in-region stock of enterprise memory modules including Kingston DDR5 server DIMMs, ensuring rapid availability for time-sensitive data centre deployment projects. Our procurement and technical teams understand the unique demands of GCC enterprise environments — from hyperscale data centre build-outs in Riyadh and Abu Dhabi to financial sector infrastructure upgrades in Dubai's DIFC. We provide genuine, factory-sealed hardware backed by Kingston's manufacturer warranty, with full documentation support for customs, VAT compliance, and end-to-end procurement. Reach out to our enterprise sales team for volume pricing, multi-SKU server memory configurations, and compatibility validation against your specific server platform.

Related Products & Ecosystem

Complete your server memory infrastructure with complementary products available from Omnixon's enterprise portfolio. Pair this Kingston DDR5 RDIMM with next-generation Intel Xeon Scalable or AMD EPYC processors (CPUs category) optimised for DDR5 memory controllers. For storage acceleration, explore our range of Enterprise NVMe SSDs from Samsung, Kioxia, and Solidigm that match the throughput profile of DDR5 memory-equipped servers. Protect your investment with enterprise-grade UPS and power protection solutions from APC, Eaton, and Vertiv. For server infrastructure, our Servers category includes DDR5-ready platforms from Dell, HPE, Lenovo, and Supermicro. Complete your rack with Server Racks & Enclosures, Rack PDUs, and Network Switches to build a fully integrated, high-performance enterprise compute environment sourced from a single trusted regional distributor.