The HMAA8GR7CJR4N-XN 64GB DDR4 RDIMM Memory Module is a vital component for server systems, designed to provide enhanced performance and reliability. In this comprehensive guide, we will delve into the intricacies of this memory module, breaking down its key specifications and explaining their significance for server applications.
- Memory Capacity - 64 Gigabytes (GB): The memory capacity of the HMAA8GR7CJR4N-XN memory module is 64 gigabytes (GB). This ample memory capacity is essential for server systems, as it allows them to handle a wide range of tasks simultaneously, including data storage, virtualization, and more. Having a larger memory capacity can lead to improved system performance, reduced latency, and increased multitasking capabilities.
- Memory Type - DDR4 SDRAM: This memory module utilizes DDR4 Synchronous Dynamic Random-Access Memory (SDRAM) technology. DDR4 is the fourth generation of DDR memory and offers several advantages over its predecessors, including higher data transfer rates, lower power consumption, and improved reliability. DDR4 SDRAM is a popular choice for server applications due to its performance and efficiency benefits.
- Memory Speed - 3200 Megahertz (MHz): The HMAA8GR7CJR4N-XN memory module operates at a speed of 3200 MHz. Memory speed, also known as clock speed, determines how quickly data can be read from and written to the memory. Higher clock speeds result in faster data access and improved overall system performance. For server applications, a high memory speed is crucial, as it can accelerate data processing and reduce bottlenecks.
- Module Type - Registered DIMM (RDIMM): This memory module is classified as a Registered Dual In-Line Memory Module (RDIMM). RDIMMs are known for their reliability and error-correcting capabilities. They are commonly used in server environments where data integrity and stability are of utmost importance. RDIMMs are more resilient against memory errors and can help prevent system crashes.
- CAS Latency - 22: CAS latency, or Column Address Strobe latency, is a crucial performance parameter for memory modules. The HMAA8GR7CJR4N-XN memory module has a CAS latency of 22. Lower CAS latency values indicate faster data access and are preferred for high-performance applications. However, in server environments, the trade-off between CAS latency and reliability is carefully balanced to ensure data integrity.
- ECC (Error-Correcting Code): This memory module is equipped with Error-Correcting Code (ECC) functionality. ECC is a feature that helps detect and correct single-bit errors in memory. In server applications, data accuracy is paramount, and ECC memory is used to minimize the chances of data corruption. ECC memory is crucial for mission-critical tasks, such as financial transactions and scientific computations.
- Rank - Dual Rank X4: The HMAA8GR7CJR4N-XN memory module is a dual-rank module. Memory ranks refer to groups of memory chips on the module. Dual-rank modules have two sets of memory chips, providing a balance between capacity and performance. They are often chosen for applications that require both ample memory capacity and good performance.
- Voltage - 1.2 Volts: This memory module operates at a low voltage of 1.2 volts. Low-voltage memory modules are energy-efficient and produce less heat. In server environments, reducing power consumption and heat generation is important for maintaining a stable and cool operating environment. Lower voltage memory can contribute to overall system efficiency.
- Pin Configuration - 288-Pin RDIMM: The HMAA8GR7CJR4N-XN memory module features a 288-pin configuration, which is standard for Registered DIMMs (RDIMMs). The pin configuration is a physical aspect of the module, and it must match the memory slots on the server's motherboard. The 288-pin design ensures compatibility with a wide range of server systems.
- Server Memory Module: This memory module is specifically designed for server applications. Server memory modules differ from standard consumer-grade memory due to their reliability features, ECC support, and compatibility with server motherboards. They are built to meet the rigorous demands of data centers and other critical server environments.
- Improved Performance: The high memory capacity (64GB) and 3200 MHz speed of the HMAA8GR7CJR4N-XN PC4-25600 memory module contribute to improved server performance. Servers can handle more tasks simultaneously and process data at a faster rate, reducing response times and increasing overall efficiency.
- Data Integrity: The inclusion of ECC (Error-Correcting Code) ensures that the data stored in the memory is accurate and reliable. ECC memory can detect and correct single-bit errors, preventing potential data corruption in critical server applications.
- Reliability: Registered DIMMs (RDIMMs) are known for their reliability. The RDIMM design helps minimize the risk of electrical interference and ensures data integrity in demanding server environments.
- Compatibility: The 288-pin RDIMM configuration ensures compatibility with a wide range of server motherboards. This memory module can be easily integrated into existing server systems without compatibility concerns.
- Energy Efficiency: Operating at 1.2 volts, this memory module is energy-efficient and generates less heat. Lower power consumption and heat generation are essential for maintaining stable server operation and reducing cooling costs.
- Dual Rank Design: The dual-rank design strikes a balance between memory capacity and performance, making it well-suited for various server applications that require both ample memory and good speed.
Server memory, often referred to as RAM (Random Access Memory), is a critical component of any server system. It plays a crucial role in the performance and functionality of the server. Here's why memory is so important in server environments:
- Data Processing Speed: Server memory stores data that the server's processor (CPU) needs to access quickly. The speed at which data can be read from and written to memory directly impacts the server's processing speed. Faster memory allows for quicker data access, which is essential for tasks like database operations, virtualization, and content delivery.
- Multitasking Capability: Server systems are expected to handle multiple tasks simultaneously. Whether it's serving web pages, managing user accounts, processing financial transactions, or running virtual machines, server memory needs to support seamless multitasking. Sufficient memory capacity allows servers to juggle many tasks without slowing down.
- Data Storage and Retrieval: In server environments, data is frequently read from and written to memory. This is particularly true for databases and web servers. High-speed memory is essential for efficient data storage and retrieval, reducing the time it takes for the server to respond to requests.
- Stability and Data Integrity: Server memory must be highly reliable to ensure data integrity. ECC memory is a common choice for servers because it can detect and correct single-bit errors, preventing data corruption. For mission-critical applications, data accuracy is non-negotiable.
- Energy Efficiency: Servers often operate 24/7 in data centers, making energy efficiency a priority. Memory modules that operate at lower voltages consume less power and produce less heat. This not only reduces energy costs but also helps maintain a stable operating temperature within the server.
- Compatibility and Expandability: Server memory modules come in various form factors and pin configurations. Compatibility with the server's motherboard is essential to ensure that the memory can be easily integrated. Additionally, server memory should allow for easy expandability, as businesses may need to add more memory as their data processing needs grow.
The HMAA8GR7CJR4N-XN memory module utilizes DDR4 Synchronous Dynamic Random-Access Memory (SDRAM) technology. DDR4 is the fourth generation of DDR memory and has become the standard for server memory due to its numerous advantages:
- Enhanced Performance: DDR4 memory modules offer higher data transfer rates compared to their predecessors. The 3200 MHz speed of the HMAA8GR7CJR4N-XN module provides faster data access, which is particularly important for server applications where quick response times are critical.
- Lower Power Consumption: DDR4 memory operates at lower voltage levels (1.2 volts) than earlier DDR generations. This reduced power consumption is in line with energy-efficient practices in data centers and contributes to lower operating costs.
- Improved Reliability: DDR4 memory includes various enhancements to improve memory integrity and data reliability. These features are essential for mission-critical applications, ensuring that data remains accurate and secure.
- Compatibility: DDR4 memory has become the industry standard for server memory, making it widely compatible with server motherboards and systems. The 288-pin RDIMM configuration of the HMAA8GR7CJR4N-XN module ensures compatibility with a range of server platforms.
Error-correcting code (ECC) is a critical feature in server memory modules like the HMAA8GR7CJR4N-XN. ECC memory helps detect and correct single-bit errors in data, ensuring that the information stored in memory remains accurate and reliable. The significance of ECC memory in server environments includes:
- Error Detection: ECC memory constantly checks data for errors. When a single-bit error occurs, the ECC module can detect it. This is crucial in preventing data corruption, which can have serious consequences in mission-critical applications.
- Error Correction: Once an error is detected, ECC memory can correct it in real time. This means that even if a bit of data becomes corrupted due to electrical interference or other issues, ECC memory can restore it to its correct state. This level of data integrity is crucial in fields like finance, healthcare, and scientific research.
- Reduced Downtime: ECC memory minimizes system crashes and errors caused by memory issues. In server environments, minimizing downtime is essential, as it directly impacts user experience and business operations.
- Improved Long-Term Reliability: Over time, electronic components can experience wear and tear, leading to occasional errors. ECC memory helps maintain data reliability throughout the lifetime of the server.
- Regulatory Compliance: In some industries, such as healthcare and finance, regulatory requirements mandate the use of ECC memory to ensure the integrity of sensitive data.
Column Address Strobe (CAS) latency is a crucial parameter for memory modules, including the HMAA8GR7CJR4N-XN. CAS latency represents the number of clock cycles it takes for the memory module to respond to a read command. A lower CAS latency indicates faster data access, but it's important to balance this with other factors, such as reliability, in server environments:
- Performance Impact: Lower CAS latency values result in faster data access, which can lead to improved overall system performance. In applications that require high-speed data retrieval, low CAS latency is beneficial.
- Server Workloads: Server environments handle diverse workloads, from file storage to web hosting to scientific simulations. The ideal CAS latency may vary depending on the specific workload. In some cases, a slightly higher CAS latency may be acceptable if it improves data reliability.
- Trade-Off with ECC: ECC memory, like the HMAA8GR7CJR4N-XN module, often has a CAS latency that strikes a balance between performance and reliability. While lower CAS latency values are generally preferred for performance, ECC memory tends to prioritize error correction, which may lead to slightly higher CAS latency.
- ECC's Role in CAS Latency: ECC memory may introduce additional latency to ensure that error-checking and correction processes are carried out. This can lead to slightly higher CAS latency values. However, this is a deliberate trade-off to maintain data integrity in server applications.
The HMAA8GR7CJR4N-XN memory module is classified as a dual-rank module, specifically dual-rank x4. Memory ranks refer to the organization of memory chips on the module, and the "x4" designation specifies the organization of the chips within the ranks. Dual-rank modules offer a balance between memory capacity and performance:
- Memory Capacity: Dual-rank modules, as the name suggests, have two memory ranks. This allows for a higher memory capacity without the need for additional memory slots. In server environments, where memory expansion can be costly, dual-rank modules provide a cost-effective solution to increase memory capacity.
- Performance: While dual-rank modules provide increased capacity, they typically have slightly lower performance compared to single-rank modules. This is because the memory controller may need to access memory ranks sequentially, which can introduce a small latency. However, for many server applications, the difference in performance is negligible, and the added capacity is more valuable.
- Application Suitability: Dual-rank modules are suitable for a wide range of server applications, from general-purpose servers to virtualization and data storage. The balanced approach they offer makes them versatile and cost-effective choices.
The HMAA8GR7CJR4N-XN memory module is designed explicitly for server applications. Server memory differs from standard consumer-grade memory in several ways to meet the specific requirements of server systems:
- Reliability: Server memory modules are built to deliver the utmost reliability. They are rigorously tested for compatibility and performance and are expected to operate continuously without failures. ECC support, as found in the HMAA8GR7CJR4N-XN module, is a key feature for enhancing reliability.
- Error Handling: In server environments, errors in data processing can have serious consequences. Server memory modules are equipped with advanced error-handling capabilities, such as ECC, to detect and correct errors in real time, preventing data corruption.
- Compatibility: Server memory modules, including the HMAA8GR7CJR4N-XN, are designed to be compatible with a wide range of server motherboards and systems. The 288-pin RDIMM configuration ensures easy integration into various server platforms.
- Mission-Critical Applications: Server memory is tailored for mission-critical applications where data accuracy and system stability are paramount. Industries such as finance, healthcare, and scientific research rely on server memory for processing sensitive data and ensuring its integrity.
- Data Center Use: Data centers, which host a multitude of server systems, benefit from memory modules like the HMAA8GR7CJR4N-XN due to their reliability, energy efficiency, and compatibility. Data centers demand high performance while also optimizing operational costs.
- Manufacturer: Hynix
- Model Number SKU# HMAA8GR7CJR4N-XN
- Product Type: Memory (RAM)
- RAM Type: PC4-25600
- Product Name: 64GB DDR4 SDRAM Memory Module
- Storage Capacity: 64GB
- Memory Technology: DDR4 SDRAM
- Number of Modules: 1 x 64GB
- Bus Speed: 3200MHz DDR4-25600/PC4-3200AA
- Data Integrity Check: ECC (Error-Correcting Code)
- Signal Processing: Registered
- CAS Latency Timings: CL22
- Rank Features: 2Rx4
- Form Factor: 288-Pin RDIMM
In summary, the HMAA8GR7CJR4N-XN 64GB DDR4 memory module is a high-quality memory solution designed for server applications. Its impressive technical specifications, including capacity, speed, CAS latency, ECC support, and energy efficiency, make it a valuable addition to server environments.
Server administrators and IT professionals looking to enhance their server's performance, reliability, and data integrity can confidently choose the HMAA8GR7CJR4N-XN module for a wide range of applications, including data centers, virtualization, database servers, web hosting, scientific computing, and high-performance computing.
By understanding the benefits and use cases of this memory module, server administrators can make informed decisions when it comes to memory upgrades or server builds. With the HMAA8GR7CJR4N-XN 64GB DDR4 memory module, servers can operate at their peak performance, ensuring the seamless execution of critical tasks and services.
Whether you are managing a data center, hosting websites, running virtual machines, or conducting scientific research, this memory module's reliability and performance will be a valuable asset for your server infrastructure. Upgrade your servers with the HMAA8GR7CJR4N-XN memory module to experience the benefits of improved data access, data integrity, and energy efficiency in your server operations.
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