SK Hynix HMAA8GR7AJR4N‑WM 64GB DDR4‑2933 ECC RDIMM

HMAA8GR7AJR4N‑WM is original SK Hynix DDR4 enterprise RDIMM memory, 64GB capacity, 2Rx4 dual‑rank, 2933MHz (PC4‑23466R), CL21 timing, 288‑pin, 1.2V low‑voltage power supply.

Equipped with Registered buffer and hardware ECC error‑correction technology, detects and fixes single‑bit memory errors, enhances signal stability when multiple memory modules are installed. 2Rx4 architecture supports large‑capacity expansion for Xeon and EPYC server platforms.

This memory is dedicated for ECC‑RDIMM‑supported server platforms, incompatible with ordinary consumer mainboards. Anti‑static operation is required during installation. Datasheet PDF can be downloaded.

HMAA8GR7AJR4N-WM SK Hynix Server DDR4 ECC Memory Features▼

1. 64GB Ultra-High-Capacity Server-Grade Registered Memory

The HMAA8GR7AJR4N-WM is a flagship high-capacity enterprise server-grade DDR4 RDIMM memory module from SK Hynix, built with premium original industrial DRAM chips. Featuring 64GB single-module massive capacity and advanced 4Rx4 quad-rank high-density architecture, it is specially tailored for high-end enterprise rack servers, large-scale data center computing clusters, AI GPU acceleration nodes, virtualization hyper-converged platforms and high-load scientific workstations. It provides ultra-large-capacity memory expansion for ultra-high-concurrency computing, massive database processing and large-scale virtual machine cluster deployment, fully meeting top-tier enterprise high-load operation requirements.

2. DDR4 3200MHz High-Bandwidth Transmission & 1.2V Low Power Efficiency

This flagship server memory supports DDR4 3200MHz (PC4-25600R) ultra-high-frequency bandwidth, delivering extreme data transmission speed and significantly boosting server multi-thread computing efficiency, large-file loading speed and system instantaneous response capability. Adopting industry-standard 1.2V low-voltage energy-saving architecture, it effectively suppresses long-term high-load power consumption and heat accumulation compared with high-voltage memory modules. It achieves an optimal balance of top-tier performance and low energy consumption, perfectly adapting to 8760-hour full-year uninterrupted ultra-high-load operation of core data center servers.

3. Advanced ECC Registered Error Correction & Enterprise-Level Data Security

Equipped with upgraded ECC real-time error correction and high-precision Register signal buffering technology, the HMAA8GR7AJR4N-WM can instantly detect, identify and correct single-bit and multi-bit data errors during extreme high-frequency server operation. It thoroughly avoids core system crashes, critical service suspension, database data deviation and program operation exceptions caused by long-term high-load aging and complex electromagnetic interference in data center environments. It comprehensively upgrades server system stability, data accuracy and core service continuity, complying with strict data center enterprise reliability certification standards.

4. 4Rx4 Quad-Rank Ultra-High-Concurrency Professional Architecture

Adopting industrial-grade 4Rx4 quad-rank high-density particle arrangement architecture exclusive for high-end servers, this memory module equips richer independent data transmission channels and stronger ultra-high-concurrency processing capability compared with dual-rank and single-rank memory. It optimizes multi-channel signal interleaved scheduling logic, greatly reduces ultra-large-scale computing latency, and stably supports massive virtual machine clusters, container supercomputing scheduling and AI iterative training tasks. It maintains continuous stable high-frequency output without performance jitter under long-term extreme full-load conditions.

5. Industrial Wide-Temp Resistance & Full Compatibility with High-End Servers

Manufactured in strict accordance with top-tier enterprise server industrial specifications, the module supports stable operation in 0°C to 85°C ultra-wide temperature range, adapting to high-temperature, high-density and poorly ventilated extreme data center cabinet environments. With ultra-low failure rate and full cross-brand compatibility, it perfectly matches mainstream high-end rack servers, blade servers, AI computing workstations and hyper-converged virtualization hosts, supporting one-click plug-and-play upgrade and large-batch enterprise-level capacity expansion.

Technical Specifications of HMAA8GR7AJR4N-WM SK Hynix DDR4 ECC RDIMM▼

Industrial Applications of HMAA8GR7AJR4N-WM SK Hynix Server Memory▼

1. High-End Server Ultra-High-Load Computing Expansion

The HMAA8GR7AJR4N-WM is developed exclusively for high-end enterprise core server hardware upgrades and extreme high-load computing scenarios. With 64GB single-module ultra-large capacity and 3200MHz high-bandwidth transmission performance, it completely solves computing bottlenecks caused by insufficient memory capacity and bandwidth of high-end servers. The 4Rx4 quad-rank architecture delivers industry-leading multi-thread parallel processing capability, ensuring stable and efficient operation of core business databases, high-concurrency transaction processing and large-scale data computing tasks under long-term full-load extreme working conditions.

2. Large Data Center Virtualization & Cloud Cluster Construction

Benefiting from upgraded ECC registered ultra-high stability and quad-rank high-concurrency advantages, this SK Hynix flagship server memory is the core hardware solution for large data center virtual machine clusters and cloud computing platforms. It supports super-large-scale multi-VM parallel operation, massive container service scheduling and long-cycle cloud resource dynamic allocation. The real-time error correction mechanism eliminates memory bit errors and data deviation during ultra-large-scale virtualized computing, maximizing cluster operational reliability and reducing core business downtime risks.

3. AI GPU Accelerated Computing & Big Data Analysis

This top-tier enterprise memory provides extreme high-bandwidth memory support for AI training nodes, GPU supercomputing platforms and high-end scientific computing workstations. The low-latency and high-speed transmission performance perfectly matches ultra-intensive GPU parallel computing and AI iterative training tasks, greatly accelerating data reading, algorithm calculation and result output efficiency. It stably handles 24/7 ultra-high-intensity cyclic computing and massive data caching tasks, fully meeting the highest-standard performance demands of artificial intelligence, big data mining and scientific research computing scenarios.

4. 24/7 Uninterrupted Core Data Center Stable Operation

Adopting industrial wide-temperature resistance and anti-aging low-power design, the module adapts to extreme high-temperature, high-density and strong electromagnetic interference environments of core data center cabinets. It maintains near-zero failure rate and zero data error operation under 8760-hour full-year uninterrupted extreme high-load working conditions. The high-precision Register signal buffering technology optimizes long-distance signal transmission stability of large-scale server arrays, effectively reducing core equipment operation and maintenance costs and improving data center operational efficiency.

5. Enterprise High-End IT Infrastructure Iteration

As a flagship 64GB high-spec DDR4 ECC RDIMM memory module, it features full compatibility with all mainstream high-end enterprise servers and supercomputing devices. It supports plug-and-play rapid upgrade and large-batch capacity expansion, helping large enterprises complete core server hardware iteration efficiently, upgrade overall ultra-high-load computing performance, and build low-power, low-maintenance and ultra-high-reliability core enterprise IT infrastructure architecture.