HMA82GR7AFR8N-UH Hynix 16GB 2400mhz PC4-19200 CAS-17 DDR4 ECC RAM

Hynix HMA82GR7AFR8N-UH 16GB DDR4 Memory

The Hynix HMA82GR7AFR8N-UH is a high-performance 16GB DDR4 memory module specifically engineered for server environments requiring exceptional reliability, stability, and performance. This ECC Registered DIMM operates at PC4-19200 (DDR4-2400) speeds with CAS Latency 17 timing, delivering the optimal balance of speed and stability for demanding server applications.

Capacity: 16GB

ECC and Registered Technology

The Hynix HMA82GR7AFR8N-UH incorporates advanced ECC technology that detects and corrects single-bit memory errors in real-time while detecting multi-bit errors. This crucial feature significantly enhances system reliability by preventing data corruption and potential system crashes caused by memory errors, making it ideal for servers handling critical data and applications.

Registered DIMM Architecture

As a Registered DIMM (RDIMM), this memory module includes a register between the memory controller and DRAM modules. This register buffers command and address signals, reducing electrical load on the memory controller and enabling support for higher memory capacities per channel. The registered design enhances signal integrity and system stability, particularly important in multi-DIMM configurations common in server environments.

Ideal Use Cases

This memory is ideally suited for various server applications including database servers, virtualization hosts, cloud computing infrastructure, enterprise resource planning (ERP) systems, content delivery networks, and high-performance computing clusters. The combination of ECC protection and registered architecture makes it particularly valuable for applications where data integrity and system uptime are critical.

DDR4 Technology Advantages

DDR4 technology represents a significant advancement over previous DDR3 memory, offering higher data rates, improved power efficiency, and enhanced reliability features. The Hynix HMA82GR7AFR8N-UH leverages these DDR4 improvements to deliver superior performance while operating at a lower voltage (1.2V compared to DDR3's 1.5V), reducing power consumption and heat generation in densely populated server configurations.

Advanced DDR4 Features

This memory module incorporates key DDR4 enhancements including Bank Groups architecture for improved efficiency, Data Bus Inversion (DBI) for reduced power consumption and improved signal integrity, and CRC (Cyclic Redundancy Check) for improved data reliability on the command/address bus. These features work together to provide a robust memory solution for demanding server environments.

Firmware

Ensure your server's BIOS and firmware are updated to versions that fully support DDR4-2400 RDIMMs. Some systems may require specific firmware revisions for optimal compatibility and performance with these memory modules. After installation, verify that the system correctly recognizes the memory capacity, speed, and ECC functionality in the BIOS or system management interface.

DDR4 vs. DDR3 Memory

The transition from DDR3 to DDR4 technology brings several significant improvements including higher data rates (up to 3200MT/s compared to DDR3's maximum of 2133MT/s), lower operating voltage (1.2V vs. 1.5V for DDR3), increased bank groups for improved efficiency, and enhanced reliability features. The HMA82GR7AFR8N-UH leverages these DDR4 advantages to deliver better performance per watt and improved reliability for modern server platforms.

Registered vs. Unbuffered Memory

Unlike unbuffered memory (UDIMMs) used in desktop systems, registered memory (RDIMMs) includes a register that buffers signals between the memory controller and DRAM chips. This buffering reduces electrical load on the memory controller, enabling support for more memory modules per channel and higher total memory capacities. While registered memory introduces a slight latency penalty (typically one clock cycle), the benefits for server scalability and stability outweigh this minor performance impact.

Scalability

The Hynix HMA82GR7AFR8N-UH represents a solid investment for organizations building or expanding server infrastructure. DDR4 technology continues to be the standard for current server platforms, ensuring compatibility with existing and future systems within the DDR4 ecosystem. The modules can be mixed with other compatible DDR4 RDIMMs to expand memory capacity as workload requirements grow.

Thermal Management

The HMA82GR7AFR8N-UH features a standard profile with optimized thermal characteristics for server environments with adequate airflow. The module is designed to operate within standard server temperature ranges (0°C to 85°C) without requiring additional heat spreaders, maintaining stable operation even under continuous heavy workloads typical in data center environments.

Reliability 

Hynix (now SK hynix) manufactures these memory modules following rigorous quality control processes and industry standards. Each module undergoes comprehensive testing at multiple stages of production to ensure compliance with specifications and reliability standards. The manufacturing process includes advanced screening of components and thorough testing of completed modules under various operating conditions.

Compatibility

The Hynix HMA82GR7AFR8N-UH is compatible with a wide range of server platforms from major manufacturers including Dell PowerEdge, HPE ProLiant, Lenovo Think System, and Cisco UCS servers. It is designed for Intel Xeon Scalable processors (Skylake, Cascade Lake, and compatible generations) and AMD EPYC platforms that support DDR4-2400 RDIMMs with ECC functionality.