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HMA81GR7CJR8N‑VK
HMA81GR7CJR8N‑VK is original SK Hynix DDR4 enterprise RDIMM memory, 8GB capacity, 1Rx8 single‑rank, 2666MHz(PC4‑21300R), CL19 timing, 288‑pin, 1.2V low‑voltage.
Built‑in Registered buffer and hardware ECC function, detects and repairs single‑bit memory errors, stabilizes signal with multiple modules populated. Single‑rank design provides great compatibility for Xeon and EPYC server platforms.
This module works only on server mainboards supporting ECC RDIMM, incompatible with ordinary consumer PCs. Anti‑static operation required during installation. Datasheet PDF can be downloaded.
HMA81GR7CJR8N-VK SK Hynix Server DDR4 ECC Memory Features▼
The HMA81GR7CJR8N-VK is a genuine SK Hynix enterprise-grade DDR4 RDIMM memory module built with original high-quality DRAM chips. Featuring standard 8GB single-module capacity and mature 1Rx8 single-rank architecture, it is designed for entry-level enterprise servers, small-scale data center nodes, enterprise NAS storage devices, light virtualization hosts and industrial workstations. It delivers stable and low-latency memory expansion for daily business operation, multi-user concurrent access and long-term 24/7 uninterrupted lightweight server workloads.
2. DDR4 2666MHz Stable Bandwidth & 1.2V Low Voltage Energy-Saving Design
This server memory supports DDR4 2666MHz (PC4-21300R) standard high-frequency bandwidth, providing stable and reliable data transmission efficiency to improve server system response speed, program loading fluency and daily multi-task processing capability. Adopting industry-standard 1.2V low-voltage architecture, it effectively reduces long-term operating power consumption and heat accumulation compared with traditional high-voltage memory modules, achieving balanced performance and energy efficiency for long-cycle enterprise stable operation.
3. ECC Registered Error Correction for High Data Reliability
Equipped with professional ECC real-time error correction and Register signal buffering technology, the HMA81GR7CJR8N-VK can automatically detect and correct single-bit and multi-bit data errors during high-frequency server operation. It effectively prevents system crashes, service suspension, data deviation and program exceptions caused by electromagnetic interference and long-term operational aging, ensuring continuous system stability and accurate data output for enterprise core business processing.
4. 1Rx8 Single-Rank Low-Latency Optimized Architecture
Adopting streamlined 1Rx8 single-rank particle arrangement design, this memory module features simpler circuit scheduling, lower transmission latency and stronger signal anti-interference performance compared with multi-rank memory. It maintains stable frequency output and zero performance jitter under light and medium server loads, perfectly adapting to small and medium-scale concurrent computing, virtual machine parallel operation and continuous cyclic data processing tasks.
5. Industrial Wide-Temp Resistance & Universal Server Compatibility
Manufactured according to strict enterprise industrial specifications, the module supports stable operation within 0°C to 85°C wide temperature range, adapting to high-temperature and high-density server cabinet operating environments. With ultra-low failure rate and excellent cross-brand compatibility, it perfectly matches mainstream rack servers, blade servers, industrial control workstations and enterprise NAS devices, supporting plug-and-play quick upgrade and stable batch capacity expansion.
Technical Specifications of HMA81GR7CJR8N-VK SK Hynix DDR4 ECC RDIMM▼
Item | Specifications |
|---|---|
Part Number | HMA81GR7CJR8N-VK |
Product Series | SK Hynix Enterprise Server DDR4 ECC RDIMM |
Capacity | 8GB |
Memory Type | DDR4 ECC Registered RDIMM |
Frequency | 2666MHz (PC4-21300R) |
Voltage | 1.2V Low Voltage |
Rank & Organization | 1Rx8 Single Rank |
Timing Parameter | CL19 19-19-19 |
Pin Definition | 288-Pin Standard RDIMM |
Core Technology | ECC Real-Time Error Correction, Register Signal Buffering, Low-Power Energy Saving, Low-Latency Single-Rank Architecture |
Working Temperature | 0°C ~ 85°C |
Form Factor | Standard Server RDIMM |
Core Advantages | 8GB standard server capacity, 2666MHz stable bandwidth, 1Rx8 low-latency design, ECC registered error correction, 1.2V low power consumption, wide temperature resistance, 24/7 long-term stable operation |
Application Grade | Entry-Level Enterprise Servers, Small Data Center Nodes, Light Virtualization Hosts, Enterprise NAS Storage, Industrial Workstations, Business Backup Servers |
IIndustrial Applications of HMA81GR7CJR8N-VK SK Hynix Server Memory▼
The HMA81GR7CJR8N-VK is a cost-effective and stable memory solution for entry-level enterprise server upgrades and daily business optimization. With 8GB standard enterprise capacity and 2666MHz stable transmission bandwidth, it effectively solves insufficient memory and low concurrent processing efficiency of aging servers. The low-latency single-rank architecture ensures smooth response of daily office systems, business database access and file transmission tasks, maintaining long-term stable output of basic enterprise business.
2. Light Virtualization & Container Service Deployment
Thanks to ECC registered high stability and anti-jitter performance, this SK Hynix server memory is perfectly suitable for small-scale virtual machine deployment and lightweight cloud host operation. It supports stable parallel running of multiple virtual systems and container scheduling services, uses real-time error correction technology to avoid data errors, virtual machine crashes and service interruptions during virtualized computing, greatly improving the stability of enterprise lightweight virtualization platforms.
3. Enterprise NAS & Data Backup Storage System
Fully compatible with mainstream enterprise NAS devices and backup servers, the HMA81GR7CJR8N-VK meets the stable memory operation requirements of multi-user file sharing, regular data backup and centralized resource storage. The low-power and low-heat design adapts to 24/7 uninterrupted long-term operation of storage equipment, effectively reducing system failure rate and ensuring safe, stable and efficient scheduling and storage of enterprise mass files and backup data.
4. Industrial Workstation & Intelligent Terminal Computing
With industrial-grade wide-temperature adaptability and strong electromagnetic anti-interference capability, the module is widely applied to industrial workstations, automated intelligent equipment and monitoring server terminals. It stably supports long-term cyclic data collection, program operation and equipment log analysis in complex industrial environments, ensuring continuous and reliable operation of industrial control systems and complete traceability of operating data records.
5. Small & Medium Enterprise IT Architecture Iteration
As a mature and reliable DDR4 ECC RDIMM memory module, it features excellent cross-brand server compatibility and plug-and-play quick upgrade capability. It helps small and medium enterprises complete low-cost server hardware iteration, optimize basic IT operation architecture, reduce equipment maintenance costs, and build low-power, low-failure and high-stability enterprise daily computing and storage environment.
