SK Hynix 32GB DDR4-3200 Server Memory

Brand: SK Hynix | Category: Memory (RAM)

SKU: HMA84GR7AFR4N | Part #: HMA84GR7AFR4N | MPN: HMA84GR7AFR4N

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SK Hynix's 32GB DDR4-3200 registered DIMM (HMA84GR7AFR4N) occupies a specific and critical position in enterprise memory architecture: it is a dual-rank RDIMM with full ECC protection, which means platform compatibility is determined before speed or capacity become relevant selection criteria. The RDIMM form factor—with its register stage between the DRAM array and the memory controller—is mandatory for systems designed to support higher module densities and longer lasting stability under sustained workloads. This is not memory for workstations or general-purpose servers running consumer-grade operating systems. This is memory for environments where a single undetected bit flip can corrupt a database transaction, derail a machine learning training run, or trigger cascading failures across clustered infrastructure.

The HMA84GR7AFR4N carries a dual-rank configuration, meaning the 32GB capacity is spread across two logical rank boundaries on the module. For data centre architects and storage infrastructure teams evaluating memory configurations, dual-rank RDIMMs present a deliberate trade-off: they increase per-slot density and support higher overall system capacity on platforms with limited DIMM slots, but they also reduce the number of independent bank selections the memory controller can interleave, which can marginally increase latency under extreme load. At 3200 MHz with a CAS latency of 22 cycles, this SK Hynix module sits firmly in the mainstream performance band for enterprise DDR4 deployments—fast enough for real-time transactional workloads, yet conservative enough to maximize stability over multi-year deployment cycles. The PC4-25600 rating reflects the theoretical bandwidth: 25.6 GB/s, which is sufficient for most database servers, virtualization hosts, and moderate-scale analytics clusters without requiring the premium pricing or power consumption of faster DDR4 variants.

Error correction is built in using SECDED (Single-bit Error Correction, Double-bit Error Detection), delivered through the 72-bit data bus: 64 bits for data and 8 bits for ECC codes. SK Hynix manufactures the DRAM dies using their proven DDR4 process technology, and the registered (buffered) design isolates the control lines from the memory controller, reducing signal integrity issues on heavily populated memory channels. Operating at 1.2V, the module runs within standard JEDEC DDR4 specifications and remains stable across the industrial temperature range of 0°C to 85°C—a margin that matters in high-density rack environments where ambient temperatures near server intake vents can creep above 35°C during peak utilization. The 288-pin edge connector is the standard DDR4 RDIMM pinout, ensuring compatibility with any Xeon E5-2600 series, Xeon Scalable, or AMD EPYC platform that supports registered memory. Systems administrators responsible for memory procurement, capacity planning, and long-term hardware refresh cycles are the primary buyers of modules like the HMA84GR7AFR4N—they need memory that works, memory that lasts, and memory with transparent supply-chain credentials.

SK Hynix as a manufacturer has maintained strong credentials in the enterprise memory market, particularly in Asia-Pacific and European data centres where their products undergo rigorous validation before deployment. The HMA84GR7AFR4N is not a consumer impulse purchase; it is a deliberate, engineered component selected by procurement teams reviewing approved memory lists for specific server platforms. The dual-rank RDIMM topology, combined with SK Hynix's track record for consistent die yields and low infant mortality rates, makes this module a sensible choice for organizations that cannot afford to revisit their memory infrastructure every two years. The 32GB capacity aligns well with current virtualization densities and database working-set sizes in mid-to-large scale deployments, where per-socket capacity of 128GB to 384GB per server is the norm.

Omnixon Global supplies SK Hynix memory modules and compatible server hardware across the GCC, South Asia, and Europe. We maintain stock of the HMA84GR7AFR4N and similar SK Hynix registered DDR4 products, with delivery logistics optimized for data centre integration teams operating on tight installation windows. If your infrastructure refresh cycle includes memory upgrades or capacity expansion, request a quote for this module or our broader range of SK Hynix server memory products. Contact us with your server platform specifications and required quantities—we handle bulk orders, mixed-configuration shipments, and can coordinate delivery to your data centre or colocation facility.

Performance Specifications

• Capacity: 32GB per module; dual-rank configuration supports platform density scaling
• Speed: 3200 MHz (PC4-25600) with CAS Latency 22, balancing throughput and stability
• ECC Protection: SECDED architecture with 72-bit data bus (64-bit + 8-bit check)
• Registered DIMM: Buffer stage isolates control signals, essential for multi-socket and high-density deployments
• Operating Voltage: 1.2V standard; temperature range 0°C to 85°C for industrial environments
• Compatibility: 288-pin RDIMM socket; JEDEC DDR4 standard for Xeon and EPYC platforms
• Manufacturer: SK Hynix HMA84GR7AFR4N—proven die technology and supply reliability