Samsung DDR5 96GB RDIMM Server Memory Module M321RYGAPB2-CCP 4800MHz ECC

Brand: Samsung | Category: Memory (RAM)

SKU: M321RYGAPB2-CCP | Part #: M321RYGAPB2-CCP | MPN: M321RYGAPB2-CCP

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Product Overview

The Samsung DDR5 96GB RDIMM (M321RYGAPB2-CCP) represents the cutting edge of enterprise server memory technology, purpose-built to address the exponentially growing memory demands of modern data centres, high-performance computing environments, and AI-driven infrastructure. As a Registered Dual Inline Memory Module (RDIMM) operating on the DDR5 standard at 4800 MT/s, this module delivers twice the bandwidth of its DDR4 predecessors while incorporating advanced on-die ECC and improved power efficiency — making it one of the most capable server memory solutions available on the market today.

Samsung, the world's leading DRAM manufacturer, engineers this module using its most advanced process node technology, ensuring the highest levels of reliability, consistency, and performance at scale. For enterprise IT managers, cloud architects, and data centre operators across the GCC and globally, the M321RYGAPB2-CCP represents a strategic investment in memory infrastructure that can sustain next-generation workloads for years to come.

With a massive 96GB capacity per module, this RDIMM allows platforms supporting large DIMM populations to achieve exceptional total system memory — critical for in-memory databases, real-time analytics, large language model (LLM) inference, and virtualisation environments where memory density directly translates to consolidation ratios and cost efficiency.

Key Features & Benefits

• 96GB High-Density Capacity: Delivers an industry-leading 96GB per module, enabling servers to achieve terabyte-scale total memory configurations with fewer DIMMs, reducing slot consumption and improving system simplicity.
• DDR5-4800 MT/s Speed: Operating at 4800 megatransfers per second, this module provides up to 2x the raw bandwidth of DDR4-3200, dramatically accelerating data-intensive workloads including AI inference, analytics, and high-frequency transaction processing.
• On-Die ECC (ODECC): DDR5 introduces on-die error correction at the DRAM level, catching single-bit errors within the chip before they propagate — adding a layer of data integrity on top of traditional server-side ECC, enhancing reliability for mission-critical deployments.
• Registered (Buffered) Design: The RDIMM architecture uses a register component to buffer command and address signals, enabling higher DIMM populations per memory channel without sacrificing signal integrity — essential for multi-DIMM-per-channel configurations in large enterprise servers.
• Improved Power Efficiency: DDR5 operates at a reduced 1.1V supply voltage compared to DDR4's 1.2V, delivering meaningful power savings at scale — particularly valuable in high-density rack deployments where power and cooling are primary operational costs.
• Samsung Manufacturing Quality: Produced in Samsung's own fabrication facilities using vertically integrated processes, this module benefits from rigorous quality control, consistent DRAM binning, and long-term supply reliability that enterprise procurement teams depend upon.
• Temperature Monitoring: Incorporates an integrated thermal sensor accessible via SPD, enabling system management tools to monitor DIMM temperature in real time and take proactive thermal management actions.
• Wide Platform Compatibility: Validated for use with the latest generation of Intel Xeon Scalable (Sapphire Rapids and successors) and AMD EPYC (Genoa and successors) server platforms, which natively support DDR5 memory channels.

Technical Architecture

The M321RYGAPB2-CCP is built on Samsung's advanced DRAM fabrication process, utilising stacked die technology to achieve the 96GB capacity within a standard DIMM form factor. DDR5 introduces a fundamental architectural change compared to previous generations: each DDR5 module features two independent 32-bit sub-channels rather than a single 64-bit channel, effectively doubling the number of independent memory access paths and improving parallelism for multi-threaded workloads.

The module's registered buffer (RCD — Register Clock Driver) manages the distribution of command, address, and control signals from the memory controller to the DRAM components, isolating the controller from the electrical load of multiple DRAM devices. This buffering is what defines the RDIMM class and distinguishes it from unbuffered (UDIMM) or load-reduced (LRDIMM) alternatives. For configurations requiring more than one DIMM per channel, RDIMMs are the standard enterprise choice.

DDR5 also relocates the voltage regulation function onto the DIMM itself via an integrated Power Management IC (PMIC), moving away from the motherboard-based voltage regulation used in DDR4. This on-module PMIC improves power delivery precision, reduces noise, and contributes to the module's improved signal integrity at high speeds. The SPD (Serial Presence Detect) hub on DDR5 modules uses an I3C interface rather than the older I2C standard, enabling faster and more feature-rich management communications between the module and the host system.

Performance & Capacity

At DDR5-4800 MT/s with a 72-bit wide bus (64-bit data + 8-bit ECC), each module delivers a theoretical peak bandwidth of approximately 38.4 GB/s per module. In dual-channel or quad-channel server configurations typical of modern Intel Xeon and AMD EPYC platforms — which support up to 12 DDR5 channels per socket — aggregate memory bandwidth per socket can reach hundreds of gigabytes per second, fundamentally changing what is achievable for bandwidth-constrained applications.

The 96GB capacity per module enables a dual-socket server equipped with 24 DIMM slots to achieve up to 2.304TB of total system memory — a configuration that supports massive in-memory databases, large-scale virtual machine consolidation, and the growing context window requirements of large language model inference workloads. For single-socket systems with 12 DIMM slots, configurations of up to 1.152TB become achievable.

Latency characteristics for DDR5-4800 fall within typical CAS latency ranges of CL40-CL42 at standard speeds, reflecting the bandwidth-capacity trade-off inherent in high-density, high-speed server modules. In real-world enterprise workloads, the dramatic increase in available bandwidth and capacity more than compensates for the modest latency increase relative to lower-density DDR4 modules.

Compatibility & Integration

The Samsung M321RYGAPB2-CCP is designed for compatibility with server platforms that support DDR5 RDIMM memory, including:

• Intel Xeon Scalable (4th Gen — Sapphire Rapids): Full native DDR5 support with up to 8 DDR5 channels per socket and validated RDIMM support at 4800 MT/s.
• AMD EPYC (4th Gen — Genoa, Bergamo): Supports DDR5 across 12 memory channels per socket with RDIMM compatibility, delivering exceptional aggregate bandwidth.
• Major OEM Server Platforms: Compatible with server systems from Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, Supermicro, and Inspur lines that support DDR5 RDIMMs — subject to vendor qualification lists.
• JEDEC DDR5 Standard Compliance: Fully compliant with JEDEC JESD79-5 DDR5 specifications, ensuring interoperability across compliant platforms.
• Operating System Agnostic: Functions transparently under all major enterprise operating systems including Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, Microsoft Windows Server, and other hypervisors.

Ideal Use Cases

The 96GB DDR5 RDIMM is optimised for the most demanding enterprise and cloud infrastructure scenarios where memory density, bandwidth, and reliability are non-negotiable:

• AI & Machine Learning Infrastructure: Large language model training and inference workloads require substantial memory to hold model weights, activations, and datasets in RAM. High-density DDR5 RDIMMs enable GPU servers and CPU-based inference nodes to maximise the memory available per accelerator or per socket.
• In-Memory Databases & Real-Time Analytics: Platforms such as SAP HANA, Redis, Apache Ignite, and Oracle TimesTen rely entirely on system RAM for primary data storage. Maximising installed memory directly expands the dataset size that can be processed at in-memory speeds, eliminating I/O bottlenecks.
• High-Density Server Virtualisation: VMware vSphere, Microsoft Hyper-V, and KVM hypervisor environments benefit enormously from increased memory per host. Higher total memory enables greater VM density, reducing hardware footprint and licensing costs while improving consolidation ratios.
• High-Performance Computing (HPC): Computational fluid dynamics, genomics, financial modelling, and scientific simulation workloads are frequently memory-bandwidth limited. DDR5-4800's improved bandwidth directly accelerates time-to-result for these applications.
• Cloud & Managed Service Provider Infrastructure: CSPs and MSPs managing multi-tenant environments require both high memory density and strong ECC reliability to maintain SLA commitments across diverse workloads running simultaneously on shared hardware.
• Enterprise Database Servers: Oracle Database, Microsoft SQL Server, PostgreSQL, and MySQL installations serving large transactional workloads benefit from expanded buffer cache sizes, reducing physical I/O and dramatically improving query response times.
• VDI (Virtual Desktop Infrastructure): High-density virtual desktop deployments on platforms such as Citrix Virtual Apps and Desktops or VMware Horizon demand substantial RAM per host. 96GB DIMMs enable the highest user densities from fewer physical servers.

Why Buy from Omnixon

Omnixon Global is a trusted B2B IT hardware distributor headquartered in Dubai, UAE, with deep expertise serving enterprise clients across the GCC region — including Saudi Arabia, UAE, Qatar, Kuwait, Bahrain, Oman — as well as customers worldwide. We maintain local inventory of enterprise-grade components including Samsung server memory, ensuring rapid availability for regional projects without the delays associated with overseas procurement. Our team of IT hardware specialists provides expert pre-sales consultation to help you validate compatibility with your specific server platforms and memory configurations. Omnixon's enterprise procurement processes are designed to support large-volume orders, government and public sector procurement requirements, and multi-site deployment projects with the documentation, compliance, and after-sales support that enterprise clients require. When you source Samsung DDR5 server memory through Omnixon, you benefit from a regional partner with established logistics infrastructure, technical knowledge, and a commitment to supplying only genuine, brand-new components from verified supply chains.

Related Products & Ecosystem

To build a complete, high-performance server memory infrastructure, consider pairing the Samsung 96GB DDR5 RDIMM with complementary products available from Omnixon's extensive catalogue:

• Enterprise Servers: Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro server platforms that support DDR5 RDIMM memory and are designed to maximise the performance of high-density configurations.
• Enterprise SSDs & NVMe Storage: Samsung, Kioxia, and Solidigm NVMe enterprise SSDs to complement high-speed RAM with equally fast persistent storage for tiered data architectures.
• CPUs & Processors: Intel Xeon Scalable and AMD EPYC processors that natively support DDR5 memory channels, forming the foundation of your memory subsystem.
• GPUs & AI Accelerators: NVIDIA GPU accelerators for AI/ML workloads that benefit from the expanded system memory headroom provided by high-density DDR5 RDIMMs.
• Server Racks & Enclosures: Enterprise rack infrastructure to house and organise your DDR5-equipped server deployments efficiently and safely.
• UPS & Power Protection: Uninterruptible power supply solutions to protect your investment in high-density memory infrastructure against power events.