SK hynix 32GB DDR5-5600 ECC RDIMM Server Memory HMCG88AGBRA190N

Brand: SK Hynix | Category: Memory (RAM)

SKU: HMCG88AGBRA190N | Part #: HMCG88AGBRA190N

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Product Overview

The SK hynix 32GB DDR5-5600 ECC RDIMM is a flagship enterprise server memory module engineered to meet the demanding requirements of modern data centres, hyperscale cloud environments, and high-performance computing platforms. Built on SK hynix's advanced 10nm-class DRAM fabrication process, this module delivers a significant generational leap over DDR4 in terms of raw bandwidth, power efficiency, and memory capacity per slot. With a rated speed of 5600 MT/s and Error-Correcting Code (ECC) support combined with registered (buffered) signalling, it is purpose-built for the uncompromising reliability that enterprise IT operations demand.

As DDR5 becomes the memory standard for next-generation server platforms — including Intel Xeon Scalable (Sapphire Rapids and Emerald Rapids) and AMD EPYC (Genoa and Bergamo) processors — the SK hynix HMCG88AGBRA190N positions enterprise buyers at the forefront of platform readiness. Whether you are refreshing an existing data centre, scaling out AI/ML infrastructure, or deploying new virtualisation hosts, this module offers the performance headroom and stability required for continuous, 24/7 enterprise operation.

Key Features & Benefits

• DDR5-5600 Speed: Operates at 5600 MT/s, delivering significantly higher memory bandwidth compared to DDR4-3200 — enabling faster data throughput for compute-intensive server applications.
• 32GB Capacity per DIMM: Provides dense memory per slot, allowing administrators to maximise total installed memory in servers with limited DIMM slots without sacrificing performance.
• ECC (Error-Correcting Code): On-die and rank-level error correction reduces memory-related system crashes and data corruption, essential for financial, healthcare, and mission-critical enterprise deployments.
• Registered (Buffered) Design: The RDIMM architecture uses a register to buffer address and command signals, enabling greater electrical stability in multi-DIMM configurations and supporting higher DIMM population per memory channel.
• Lower Voltage Operation: DDR5 operates at 1.1V compared to DDR4's 1.2V, translating to improved energy efficiency and reduced thermal output — a key consideration for high-density rack deployments.
• On-Die ECC (ODECC): SK hynix integrates on-die ECC within the DRAM die itself, providing an additional layer of error detection and correction at the chip level before data even reaches the system memory controller.
• Advanced Thermal Management: The module's design accommodates the thermal profile of high-density server environments, maintaining operational stability across extended duty cycles.
• Industry-Standard Form Factor: The standard 288-pin RDIMM form factor ensures broad compatibility across certified server platforms from leading OEMs including HPE, Dell, Lenovo, Supermicro, and others.

Technical Architecture

The HMCG88AGBRA190N is built on SK hynix's 10nm-class (1z/1a-generation) DRAM process node, which enables higher cell density, improved power efficiency, and better signal integrity compared to older fabrication nodes. DDR5 introduces a fundamental architectural change by moving to two independent 32-bit sub-channels per DIMM (compared to DDR4's single 64-bit channel), effectively doubling the command and address bandwidth and improving memory controller efficiency on modern server CPUs.

The registered (buffered) design incorporates a Registering Clock Driver (RCD) that re-drives clock, address, and command signals to the DRAM components, reducing electrical load on the memory controller. This is critical in servers with multiple DIMMs per channel, where signal integrity would otherwise degrade. The module also integrates a Serial Presence Detect (SPD) EEPROM that communicates configuration data — including timings, voltage, and speed — to the system BIOS for automated and optimised memory initialisation via JEDEC-standard SPD protocols.

DDR5's improved burst length of BL16 (compared to DDR4's BL8) and prefetch architecture further enhance effective memory bus utilisation, ensuring that bandwidth headroom is fully exploited by modern multi-threaded server workloads.

Performance & Capacity

At DDR5-5600 speed, this 32GB RDIMM delivers theoretical peak memory bandwidth of approximately 44.8 GB/s per module operating at rated speed. In a dual-channel or multi-channel server configuration with multiple DIMMs populated, aggregate system memory bandwidth can scale significantly — enabling AI inference engines, in-memory databases, and large-scale virtualisation workloads to operate with reduced latency and higher throughput than equivalent DDR4 configurations.

With a capacity of 32GB per DIMM, a server platform supporting 16 DIMM slots can achieve up to 512GB of total system memory using this module exclusively — suitable for memory-intensive workloads such as SAP HANA, Oracle Database in-memory options, Redis, and large-scale VM hosting. The combination of high speed and substantial per-DIMM capacity makes this module particularly well-suited to consolidation initiatives where fewer, more powerful servers replace aging multi-node clusters.

Compatibility & Integration

The SK hynix HMCG88AGBRA190N is designed to comply with JEDEC DDR5 standards (JESD79-5) and is compatible with server platforms based on Intel Xeon Scalable 4th and 5th Generation (Sapphire Rapids / Emerald Rapids) processors as well as AMD EPYC 9004 Series (Genoa/Bergamo) processors, both of which natively support DDR5 memory. Typical compatible server platforms include:

• HPE ProLiant DL360 Gen11, DL380 Gen11, and ML350 Gen11
• Dell PowerEdge R760, R660, R960, and T560 series
• Lenovo ThinkSystem SR650 V3 and SR850 V3
• Supermicro X13 platform servers
• ASUS RS720A-E12, RS700A-E12, and related enterprise platforms

The module adheres to industry-standard DDR5 RDIMM specifications, including JEDEC voltage regulation (1.1V), SPD (Serial Presence Detect) for automatic BIOS configuration, and standard 288-pin DIMM interface dimensions. It supports operation across standard data centre ambient temperature ranges and is compatible with major hypervisor environments including VMware vSphere, Microsoft Hyper-V, Red Hat KVM, and Proxmox VE.

Ideal Use Cases

• AI & Machine Learning Infrastructure: High-bandwidth DDR5 memory accelerates data ingestion pipelines and model training preprocessing, reducing bottlenecks between CPUs, GPUs, and system memory in AI server nodes.
• Virtualisation & VDI Platforms: Dense 32GB per DIMM capacity enables high VM density per host, supporting enterprise VDI deployments and private cloud environments built on VMware vSphere or Microsoft Hyper-V.
• In-Memory Databases: Workloads such as SAP HANA, Oracle TimesTen, and Redis Enterprise benefit directly from the higher bandwidth and lower latency of DDR5-5600, improving query response times and transaction throughput.
• High-Performance Computing (HPC): Scientific simulation, computational fluid dynamics (CFD), and financial modelling workloads that are memory-bandwidth-bound see substantial performance gains when migrating to DDR5 platforms.
• Cloud Service Provider Infrastructure: CSPs and managed service providers building multi-tenant server infrastructure require the ECC reliability and high density of RDIMMs to maintain SLA commitments across diverse tenant workloads.
• Data Analytics & OLAP: Business intelligence platforms and data warehousing solutions running columnar analytics engines benefit from fast memory access to large datasets held in system RAM, reducing query latency and improving reporting throughput.
• Edge Computing Nodes: High-performance edge servers deployed in telecommunications, manufacturing, and retail environments can leverage DDR5 RDIMMs to handle real-time data processing close to the source, reducing dependence on centralised cloud resources.

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. Our inventory of SK hynix server memory modules — including the HMCG88AGBRA190N — is stocked locally, enabling enterprise procurement teams, system integrators, and data centre operators across Saudi Arabia, Qatar, Kuwait, Bahrain, Oman, and the UAE to source genuine, brand-new components with confidence. Every unit we supply is sourced through verified channels, ensuring authenticity and full compatibility with the certified server platforms it is designed to support. Our technical sales team brings deep hardware expertise to assist enterprise customers in validating compatibility, optimising memory configurations, and planning capacity upgrades — making Omnixon a strategic procurement partner rather than simply a transactional vendor. Whether you are purchasing a single module for a critical server upgrade or procuring at scale for a data centre build-out, Omnixon provides the reliability, regional presence, and enterprise-grade service that GCC and global IT teams depend on.

Related Products & Ecosystem

To build a complete, optimised server memory infrastructure, consider pairing this SK hynix DDR5 RDIMM with complementary products available through Omnixon Global. These include additional DDR5 RDIMM modules in varying capacities (16GB, 64GB, 128GB) for full memory channel population, enterprise-grade CPUs from Intel and AMD that natively support DDR5, and high-performance enterprise SSDs for NVMe storage tiers that complement fast memory subsystems. Enterprise server platforms from HPE, Dell, Lenovo, and Supermicro that are DDR5-certified are also available through our catalogue, along with network adapters, GPU accelerators for AI workloads, and rack infrastructure components including PDUs and UPS systems to support a complete server deployment.