SK Hynix 32GB DDR4-3200 RDIMM PC4-25600R Single Rank x4 Module

Brand: SK Hynix | Category: Memory (RAM)

SKU: SK -HMAA4GR7CJR4N-XN | Part #: HMAA4GR7CJR4N-XN | MPN: HMAA4GR7CJR4N-XN

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For workloads where every microsecond matters—high-frequency trading platforms, in-memory databases, and real-time analytics clusters—the SK Hynix 32GB DDR4-3200 RDIMM operates at CL22 latency while drawing just 1.2V, a combination that balances responsiveness with power efficiency in dense server environments. This HMAA4GR7CJR4N-XN module delivers 3200 MT/s throughput across 288 pins in a single-rank, quad-channel configuration (1Rx4), making it a precision component rather than a one-size-fits-all solution. SK Hynix engineered this part for platforms where memory subsystem performance directly impacts application latency, not just raw capacity.

The CL22 timing at DDR4-3200 represents a deliberate engineering choice by SK Hynix. Lower CAS latency reduces the delay between a memory access request and the arrival of data at the CPU, a factor that storage architects and memory-focused performance engineers measure in nanoseconds. At 1.2V operating voltage, thermal output stays within enterprise-grade cooling specifications, which matters when you are populating high-density NUMA nodes with multiple DIMMs. The RDIMM (Registered DIMM) design isolates control signals through a register, improving signal integrity across the memory bus—critical in 2-socket or 4-socket systems where electrical loading becomes problematic. SK Hynix's manufacturing process on this module reflects their position as a tier-one DRAM supplier, alongside competitors like Micron and Samsung, but the HMAA4GR7CJR4N-XN occupies a narrower performance band, optimized for workloads that prize latency over sheer bandwidth.

Data centre operations teams and system integrators source this SK Hynix module when building infrastructure for latency-sensitive applications: in-memory databases like Redis or Memcached, financial services platforms executing microsecond-critical strategies, and machine learning inference clusters where batch processing can tolerate DDR4 speeds but not memory round-trip delays. The single-rank configuration reduces per-DIMM capacity density compared to dual-rank alternatives, but provides marginally better latency characteristics and electrical load balancing, a trade-off that infrastructure architects understand and often prefer in mixed-workload environments. The 32GB capacity per module allows data centre designers to populate server nodes with meaningful working sets without resorting to quad-rank modules or NVMe caching layers—32GB across four DIMMs yields 128GB of fast, ECC-protected memory in a standard 1U or 2U form factor.

ECC protection is built into the HMAA4GR7CJR4N-XN, a non-negotiable feature for any enterprise deploying beyond development labs. Single-bit error correction safeguards financial transactions, database consistency, and scientific computation integrity; SK Hynix implements industry-standard SECDED (Single Error Correction, Double Error Detection) architecture, supported natively by modern x86-64 platforms from Intel and AMD. The STD (standard) height form factor ensures compatibility with OEM cooling shrouds and dense blade-server configurations. This module expects to run on registered-DIMM-capable platforms: Intel Xeon Scalable processors with appropriate memory controllers, AMD EPYC systems in the 7002 series and later, or equivalent server-grade silicon. Consumer AM4 or LGA1200 platforms will not recognize an RDIMM, a critical distinction that procurement teams must verify before purchase.

Omnixon Global maintains inventory of SK Hynix memory modules across our Dubai distribution centre, serving data-centre operators, system integrators, and enterprise procurement teams throughout the GCC region, India, Southeast Asia, and into Europe. If your infrastructure requires the HMAA4GR7CJR4N-XN or comparable SK Hynix RDIMM modules in volume, we invite you to submit an RFQ detailing your platform requirements, deployment timeline, and order quantity. Our technical team can cross-reference your server SKUs against compatible memory configurations and arrange delivery into your facility.

Memory Performance and Server Specifications

• Capacity and Speed: 32GB per module, DDR4-3200 MT/s (PC4-25600R), delivering 25.6 GB/s per channel bandwidth
• Latency and Voltage: CAS Latency CL22 at 1.2V operating voltage, optimized for low-latency access patterns in NUMA architectures
• DIMM Configuration: Single-rank (1Rx4), 288-pin RDIMM design with registered control signals for improved signal integrity in multi-socket systems
• Error Protection: Full ECC (SECDED), mandatory for financial services, databases, and AI infrastructure deployments
• Platform Support: Requires registered-DIMM-capable Intel Xeon Scalable or AMD EPYC platforms; not compatible with consumer or workstation chipsets
• Thermal Profile: STD (standard) height DIMM with SK Hynix's standard thermal design, suitable for 1U/2U server densities with OEM cooling infrastructure
• Part Number and Sourcing: SK Hynix HMAA4GR7CJR4N-XN is available through Omnixon Global for GCC and Asian data-centre operations requiring certified memory modules