Overview
The M393A2K40CB2-CVF is a DDR4 registered ECC memory module manufactured by Samsung. It is designed for enterprise-grade applications where reliability and performance are critical. This module typically comes in capacities ranging from 16GB to 32GB and operates at speeds of 2400MHz or higher. As part of the DDR4 memory family, it offers improved power efficiency and higher bandwidth compared to previous generations. The ECC (Error Correcting Code) feature makes it particularly suitable for mission-critical applications where data integrity is paramount.
Structure and Working Principle
The M393A2K40CB2-CVF follows the standard 288-pin DIMM form factor. It incorporates advanced semiconductor technology with multiple memory chips mounted on a printed circuit board. The registered design includes a register between the memory controller and DRAM chips to improve signal integrity in systems with multiple modules. The module operates on the DDR4 standard's principle of double data rate transfers, where data is transferred on both the rising and falling edges of the clock signal. This effectively doubles the data transfer rate compared to single data rate memory. The ECC functionality works by adding parity bits to detect and correct single-bit errors automatically.
Key Features
This memory module offers several notable features that make it suitable for enterprise environments. The ECC support ensures data integrity by detecting and correcting memory errors automatically. The registered design allows for higher module counts in a system by reducing electrical load on the memory controller. Other features include on-die termination for better signal quality, reduced operating voltage (typically 1.2V) for improved power efficiency, and support for higher memory densities. The module also includes thermal sensors for monitoring and temperature management in demanding environments.
Application Areas
The M393A2K40CB2-CVF is primarily used in enterprise servers, data centers, and high-performance computing environments. Its reliability features make it ideal for database servers, virtualization hosts, and other mission-critical applications where system uptime and data integrity are essential. Beyond traditional server applications, this memory module finds use in high-end workstations, storage area networks, and cloud computing infrastructure. The combination of high capacity and ECC support makes it particularly valuable in environments processing large datasets or running memory-intensive applications.
Maintenance and Precautions
Proper handling and maintenance are crucial for optimal performance and longevity of the M393A2K40CB2-CVF module. Always observe ESD (electrostatic discharge) precautions when handling the module. Install it in compatible systems only, following the manufacturer's guidelines for installation and configuration. Regular monitoring of memory health through system management tools is recommended. While the module is designed for continuous operation, ensure adequate system cooling as excessive heat can impact performance and reliability. Avoid mixing different memory types or speeds in the same system unless specifically supported by the hardware.
B2B Procurement Guide
When procuring M393A2K40CB2-CVF modules in bulk for business use, several factors should be considered. Verify compatibility with your existing or planned server hardware, paying attention to supported speeds, capacities, and registered vs. unbuffered requirements. Consider the memory configuration needs of your applications - whether you require more modules of smaller capacity or fewer high-capacity modules. Evaluate suppliers based on reliability, warranty terms, and technical support capabilities. For large deployments, consider phased procurement to mitigate price fluctuations and ensure consistent supply.
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