SK Hynix 32GB DDR5-7200 RDIMM ECC Registered Server Memory HMCG88CKBRA

Brand: SK Hynix | Category: Memory (RAM)

SKU: HMCG88CKBRA | Part #: HMCG88CKBRA | MPN: HMCG88CKBRA

Contact for Pricing — Request a Quote

Product Overview

The SK Hynix 32GB DDR5-7200 RDIMM (Registered Dual Inline Memory Module) represents the cutting edge of server memory technology, purpose-built for the most demanding enterprise computing environments. Operating at an exceptional 7200 MT/s data transfer rate, this module pushes well beyond conventional DDR5 baseline speeds, delivering the memory bandwidth required by modern multi-core processors, AI inference engines, and in-memory database platforms. With a 32GB per-DIMM capacity, IT architects can populate high-density server configurations that support virtualised workloads, real-time analytics, and memory-intensive application stacks without compromise.

As data centre workloads evolve — from traditional relational databases to transformer-based AI models and real-time streaming analytics — the memory subsystem has become one of the most critical performance bottlenecks in server design. SK Hynix, a global leader in semiconductor innovation, has engineered this RDIMM to address that bottleneck head-on. The DDR5-7200 speed grade, combined with ECC (Error-Correcting Code) protection and registered buffer architecture, ensures not only maximum throughput but also the data integrity and system stability demanded by enterprise service-level agreements.

This module ships brand new, factory-sealed, and is sourced through authorised channels, making it an ideal procurement choice for enterprise IT teams, cloud service providers, system integrators, and HPC facility operators across the GCC region and beyond.

Key Features & Benefits

• DDR5-7200 Speed: Operates at 7200 MT/s, delivering exceptional memory bandwidth that surpasses DDR5-4800 and DDR5-5600 baseline standards — critical for AI/ML training, high-frequency trading, and in-memory analytics.
• 32GB Per-Module Capacity: Enables high-density memory configurations in 1DPC and 2DPC setups, allowing servers to achieve 1TB+ total memory with appropriate slot counts on compatible dual-socket platforms.
• ECC (Error-Correcting Code) Protection: On-die and registered buffer ECC mechanisms detect and correct single-bit memory errors in real time, preventing data corruption in mission-critical production environments.
• Registered (Buffered) Architecture: The registered design offloads signal load from the CPU memory controller, enabling greater DIMM density per channel and improving signal integrity at high clock speeds.
• On-Die ECC (ODECC): DDR5 introduces on-die ECC as a native feature, providing an additional layer of error correction at the DRAM die level — enhancing reliability beyond what DDR4 platforms could offer.
• Improved Power Efficiency: DDR5 operates at a native 1.1V supply voltage compared to DDR4's 1.2V, reducing per-module power draw and contributing to lower PUE (Power Usage Effectiveness) in large-scale deployments.
• Dual Sub-Channel Architecture: DDR5 DIMMs feature two independent 32-bit sub-channels per module, doubling the command bus granularity and improving parallelism for bandwidth-hungry workloads.
• Brand New Condition: Factory-sealed with full manufacturer quality assurance, ensuring optimal reliability from day one of deployment.

Technical Architecture

The HMCG88CKBRA is built on SK Hynix's advanced DRAM fabrication process, leveraging high-density DRAM dies stacked across a standard 288-pin DDR5 RDIMM PCB. The module incorporates a Registered Clock Driver (RCD) — a dedicated logic chip that buffers command and address signals between the host memory controller and the DRAM components. This buffering is essential at DDR5-7200 speeds, where signal integrity across multiple DRAM chips on a single module would otherwise degrade without buffering.

DDR5 fundamentally restructures the DIMM's internal architecture compared to its DDR4 predecessor. Each DDR5 RDIMM contains two independent 32-bit wide sub-channels, each with its own command/address bus, effectively providing two logical memory channels within a single physical slot. This dual sub-channel design increases memory controller efficiency and reduces latency penalties associated with large burst transactions, making it particularly well-suited for workloads with irregular or unpredictable access patterns.

The module also integrates an on-board Power Management IC (PMIC), a DDR5-specific feature that moves voltage regulation from the motherboard to the DIMM itself. This design improves power delivery accuracy to individual DRAM dies, enabling tighter voltage control at high frequencies and contributing to overall system stability under sustained heavy loads.

On-Die ECC (ODECC) is implemented natively within each DRAM die, correcting single-bit errors before they propagate to the memory controller. Combined with the traditional rank-level ECC managed by the host CPU, the HMCG88CKBRA provides a multi-layered error correction architecture that exceeds the reliability standards of any DDR4-based solution.

Performance & Capacity

Running at DDR5-7200 with a 64-bit wide data bus per sub-channel, the HMCG88CKBRA delivers a theoretical peak bandwidth of approximately 57.6 GB/s per module. In dual-channel and multi-channel server configurations with multiple DIMMs populated, aggregate memory bandwidth can reach several hundred GB/s per socket — a prerequisite for feeding modern many-core processors such as Intel Xeon Scalable (Granite Rapids) and AMD EPYC (Turin) with sufficient data throughput.

Latency at DDR5-7200 remains competitive with tighter timings achievable at this speed bin. While absolute nanosecond latency is slightly higher than DDR4 at equivalent CAS latency numbers due to the higher clock frequency, the dramatically increased burst bandwidth more than compensates for throughput-bound workloads. For latency-critical applications such as in-memory databases and real-time transaction processing, platform-level memory interleaving across multiple channels and DIMMs further mitigates any latency delta.

At 32GB per DIMM, a typical 2-socket server with 16 DIMM slots can achieve 512GB of total system memory in a single-rank or dual-rank configuration, scaling to higher densities as higher-capacity DDR5 RDIMMs are mixed or upgraded over time.

Compatibility & Integration

The HMCG88CKBRA is designed for compatibility with server platforms and processors that natively support DDR5-7200 speed bins. Supported platforms include next-generation Intel Xeon Scalable processors (Granite Rapids/Eagle Stream refresh) and AMD EPYC 9005 series (Turin) processors, both of which offer native DDR5 memory controller support. Specific platform validation should be confirmed against the server OEM's Memory Compatibility List (MCL) or Qualified Vendor List (QVL).

• JEDEC DDR5 standard compliant (JESD79-5B)
• 288-pin RDIMM form factor
• Compatible with DDR5-enabled server motherboards from major OEMs including HPE, Dell, Lenovo, Supermicro, and Inspur
• Supports ECC operation in registered mode as required by enterprise server memory controllers
• RoHS compliant — meets international environmental and hazardous materials regulations
• Operating temperature range: 0°C to 85°C (standard commercial DIMM operating envelope)

Ideal Use Cases

• Artificial Intelligence & Machine Learning: Large language model (LLM) inference and training workloads require massive memory bandwidth to feed GPU and CPU accelerators. DDR5-7200 RDIMMs maximise CPU-side memory throughput, reducing data starvation in AI pipeline stages that operate on the host CPU.
• High-Performance Computing (HPC): Scientific simulations, computational fluid dynamics, genomics, and financial modelling applications benefit directly from the sustained bandwidth improvements of DDR5-7200 over previous DDR5 speed grades.
• In-Memory Databases & Real-Time Analytics: Platforms such as SAP HANA, Redis, VoltDB, and Apache Ignite operate entirely within DRAM. High-capacity, high-bandwidth RDIMMs like the HMCG88CKBRA directly translate to faster query response times and higher transaction throughput.
• Virtualisation & Cloud Infrastructure: Hypervisor hosts running VMware vSphere, Microsoft Hyper-V, or KVM benefit from larger memory pools to support higher VM density per host. 32GB RDIMMs strike an optimal balance between per-slot capacity and cost-effective density scaling.
• OLAP & Data Warehousing: Columnar analytics databases and data warehouse appliances performing large table scans and aggregation operations are highly bandwidth-sensitive. DDR5-7200 ensures that the CPU is never memory-bandwidth starved during complex analytical query execution.
• VDI (Virtual Desktop Infrastructure): Large-scale VDI deployments require significant memory capacity per host to support hundreds of simultaneous virtual desktop sessions. High-capacity DDR5 RDIMMs allow IT teams to reduce physical host counts while maintaining per-user performance guarantees.
• Edge AI & Telco NFV: Telecom operators deploying network function virtualisation (NFV) and edge AI inference platforms require memory modules that combine high bandwidth, ECC reliability, and energy efficiency — all hallmarks of this DDR5-7200 RDIMM.

Why Buy from Omnixon

Omnixon Global is headquartered in Dubai, UAE, and operates as a trusted B2B IT hardware distributor serving enterprise clients across the GCC — including Saudi Arabia, UAE, Qatar, Kuwait, Bahrain, and Oman — as well as international markets worldwide. Our inventory is maintained locally in Dubai, enabling rapid fulfilment for enterprise procurement teams, system integrators, and government technology departments that cannot afford delays associated with overseas sourcing. The HMCG88CKBRA is stocked as a brand-new unit, sourced through verified supply channels, ensuring full manufacturer quality standards. Our technical sales team has deep expertise in server memory configurations and can assist with compatibility verification, slot population strategies, and multi-DIMM bundle procurement. Whether you are refreshing a single server or deploying memory across a multi-rack data centre build-out, Omnixon provides the regional presence, product depth, and enterprise account management to support your project from specification through delivery.

Related Products & Ecosystem

To build a complete, high-performance server memory infrastructure, consider pairing the HMCG88CKBRA with complementary products available from Omnixon's extensive catalogue. Compatible DDR5 RDIMM modules in 16GB, 64GB, and 128GB capacities allow flexible memory tier designs. Explore our range of enterprise servers from Dell, HPE, Lenovo, and Supermicro that are validated for DDR5-7200 operation. For storage performance to match your memory bandwidth, our Enterprise NVMe SSDs and Enterprise HDDs provide the I/O throughput needed to complement high-speed memory subsystems. Network infrastructure upgrades — including 100GbE and 400GbE Network Adapters & NICs and Network Switches — ensure your data centre fabric keeps pace with the compute and memory upgrades. Additionally, our CPUs category features the latest Intel Xeon and AMD EPYC processors that are designed to unlock the full potential of DDR5-7200 memory architectures.