The HMA81GR7CJR8N-VK is an 8GB DDR4 2400MHz ECC Registered DIMM (RDIMM) memory module manufactured by Hynix Semiconductor. This module is designed for use in servers and high-performance workstations where data integrity is paramount. The ECC (Error-Correcting Code) functionality ensures that single-bit errors are detected and corrected, preventing data corruption.

Applications

• Servers: Employed in a variety of server applications, including database servers, web servers, and application servers, to provide reliable and high-speed memory.
• Workstations: Used in professional workstations for demanding tasks such as video editing, 3D rendering, and scientific simulations.
• Cloud Computing: Integrated into cloud infrastructure to support virtual machines and cloud-based applications.
• Data Centers: Deployed in data centers to provide reliable memory for critical data storage and processing.
• Financial Institutions: Utilized in financial systems where data accuracy and uptime are essential.

Features

• 8GB Capacity: Provides sufficient memory capacity for running multiple applications and handling large datasets.
• DDR4 Technology: Leverages DDR4 technology for increased bandwidth and improved energy efficiency compared to DDR3.
• 2400MHz Speed: Operates at a frequency of 2400MHz, ensuring fast data access and responsive system performance.
• ECC (Error-Correcting Code): Detects and corrects single-bit errors, preventing data corruption and system crashes.
• Registered DIMM (RDIMM): Features a register that buffers commands and addresses, reducing the load on the memory controller and enhancing stability, particularly in systems with multiple memory modules.

Benefits

• Enhanced Data Integrity: ECC functionality ensures data accuracy, reducing the risk of data loss and system errors.
• Improved System Stability: The registered design enhances stability, particularly in systems with multiple memory modules.
• Increased Performance: Higher capacity and faster speed improve application performance and overall system responsiveness.
• Reduced Downtime: The ECC and registered features contribute to reduced downtime and increased system uptime.
• Energy Efficiency: DDR4 technology provides improved energy efficiency, reducing power consumption and heat generation.

Technical Specifications

The HMA81GR7CJR8N-VK operates at a voltage of 1.2V, adhering to DDR4 standards. It complies with JEDEC standards for DDR4 RDIMM modules. The module features a 288-pin DIMM interface and typically supports timings around CL17. It is RoHS compliant, meaning it is free of hazardous substances. The specific timings can vary slightly depending on the exact configuration.