The HMA81GR7DJR8N-WMT8 is an 8GB DDR4-2666 Registered ECC DIMM (RDIMM) memory module from Hynix Semiconductor. This memory module is specifically designed for servers and high-end workstations, leveraging registered ECC technology to ensure data integrity and stability, especially in demanding environments. The registered design adds a register between the memory controller and the DRAM chips, reducing the electrical load on the memory bus, thereby allowing for larger memory configurations and improved reliability.

Applications

• Servers: Ideal for use in servers requiring high-capacity and reliable memory for virtualization, database management, and other server applications.
• Workstations: Suitable for professional workstations used for CAD, video editing, 3D rendering, and scientific computing.
• Data Centers: Well-suited for data centers needing high-density memory solutions with enhanced data protection.
• Cloud Computing: Used in cloud computing infrastructure to support virtual machines and cloud-based applications.
• High-Performance Computing (HPC): Employed in HPC environments for scientific simulations, data analysis, and complex calculations.

Features

• 8GB Capacity: Offers 8GB of memory capacity.
• DDR4 Technology: Uses DDR4 (Double Data Rate 4) technology for improved speed and efficiency.
• 2666MHz Clock Speed: Operates at a clock speed of 2666MHz, providing faster data transfer rates.
• Registered ECC (Error-Correcting Code): Incorporates registered ECC to detect and correct single-bit errors, enhancing data reliability.
• RDIMM (Registered DIMM): Designed with a register to improve signal integrity and support larger memory configurations.
• 288-Pin Connector: Features a 288-pin connector compatible with standard DDR4 memory slots in servers and workstations.

Benefits

• Improved System Stability: Registered design enhances signal integrity, contributing to overall system stability, particularly in high-density configurations.
• Enhanced Data Integrity: ECC functionality ensures data accuracy by detecting and correcting errors.
• Increased Performance: Higher clock speed of 2666MHz provides faster memory access and improved application performance.
• High Capacity: 8GB capacity allows for running memory-intensive applications and handling large datasets.
• Compatibility: Designed to be compatible with a wide range of servers and workstations supporting DDR4 RDIMM memory.

Additional Details

The HMA81GR7DJR8N-WMT8 operates at a voltage of 1.2V and adheres to JEDEC standards for DDR4 memory modules. Hynix's official datasheets provide comprehensive information on timing parameters, power consumption, and thermal characteristics. It is crucial to verify that the target system (server or workstation) supports DDR4 Registered ECC DIMM memory before purchasing and installing this module. The 'WMT8' suffix likely denotes specific manufacturing batch, testing parameters, or quality control standards applied during production. This module is an excellent choice for businesses and professionals who require reliable, high-performance memory to support critical applications and workloads.