Hynix HMA81GS6AFR8N-UH 8GB Memory PC4-19200
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Hynix HMA81GS6AFR8N-UH 8GB RAM PC4-19200 DDR4 SDRAM 2400MHz New

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HMA81GS6AFR8N-UH 8 Gigabytes(GB) 1X8GB 2400 Megahertz (MHz) PC4-19200 CL17 Non Error correction code (ECC) Unbuffered Double Data Rate 4 (DDR4) Synchronous Dynamic Random Access Memory (SDRAM) 260-PIN SODIMM Memory for Server | Made by Hynix | New Bulk Pack
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Product Overview for the Hynix HMA81GS6AFR8N-UH

In the world of computers and technology, memory plays a crucial role in ensuring that your system runs smoothly and efficiently. Random Access Memory, commonly known as RAM, is an essential component of any computer. It temporarily stores data that the central processing unit (CPU) is currently using. In this article, we will dive deep into a specific RAM module - the "HMA81GS6AFR8N-UH Hynix 8GB DDR4 SDRAM 2400MHz PC4-19200 CL17 Non-ECC RAM." We will break down the name and specifications to provide you with a detailed understanding of what this RAM module is all about.

Understanding the Name

Let's start by breaking down the name of this RAM module, as it contains important information about its specifications and compatibility.

  • HMA81GS6AFR8N-UH: This part of the name typically represents the manufacturer's code and specific product identifier. In this case, "HMA" is a prefix that indicates Hynix as the manufacturer. The rest of the characters, "81GS6AFR8N-UH," are specific to this particular RAM module.
  • 8GB: This refers to the memory capacity of the RAM module. In this case, it has a storage capacity of 8 gigabytes, which is a decent amount for most computing tasks.
  • DDR4 SDRAM: DDR stands for Double Data Rate, and DDR4 is the fourth generation of this technology. SDRAM stands for Synchronous Dynamic Random Access Memory. DDR4 SDRAM is a common type of memory used in modern computers. It is faster and more energy-efficient compared to its predecessors.
  • 2400MHz: This number indicates the speed of the RAM, which is measured in megahertz (MHz). In this case, the RAM module has a speed of 2400MHz. The higher the MHz, the faster the RAM can process data.
  • PC4-19200: The "PC4" part of the name indicates that this RAM module is designed for use in systems that support DDR4 memory. "19200" is the data rate in MB/s, which is a measure of the theoretical maximum bandwidth of the RAM.
  • CL17: CL stands for CAS Latency, and it is a measure of the time it takes for the RAM to respond to a request. In this case, the CAS Latency is 17 cycles. Lower CAS Latency values generally indicate faster RAM performance.
  • Non-ECC: ECC stands for Error-Correcting Code, a feature that helps detect and correct errors in data. "Non-ECC" means that this RAM module does not have error-correction capabilities. It's important to note that non-ECC RAM is more common in consumer-grade computers, while ECC RAM is typically used in servers and workstations where data integrity is critical.

Now that we've broken down the name, let's delve deeper into each aspect of this RAM module's specifications.

8GB Capacity

The "8GB" in the name of this RAM module indicates its capacity, which is 8 gigabytes. This is a significant amount of memory for most consumer-level computing tasks. Let's explore what you can do with 8GB of RAM:

  • Everyday Computing: For everyday tasks like web browsing, word processing, and email, 8GB of RAM is more than sufficient. It allows your computer to run smoothly without any noticeable slowdowns.
  • Multimedia and Entertainment: Watching HD videos, streaming content, and even light photo or video editing can be comfortably handled with 8GB of RAM.
  • Gaming: Many popular games can be played with 8GB of RAM, although you may need to lower some graphics settings in more demanding titles.
  • Multitasking: 8GB is suitable for multitasking, allowing you to have multiple browser tabs, applications, and documents open simultaneously without a significant decrease in performance.
  • Light Content Creation: If you're a content creator or enthusiast, 8GB is enough for tasks like graphic design, music production, and 3D modeling, although larger projects may benefit from more RAM.


This RAM module uses DDR4 SDRAM technology. DDR4 (Double Data Rate 4 Synchronous Dynamic Random Access Memory) is the fourth generation of DDR SDRAM and comes with several improvements over its predecessors, DDR3 and DDR2.

  • Increased Speed: DDR4 RAM offers higher data transfer rates compared to DDR3, resulting in faster memory performance. The "2400MHz" in the module's name indicates its speed, and this higher speed contributes to smoother and more responsive system performance.
  • Improved Energy Efficiency: DDR4 RAM operates at lower voltages, which means it consumes less power. This energy efficiency is not only better for the environment but also results in less heat generation, which can help extend the lifespan of your computer components.
  • Larger Capacities: DDR4 RAM modules can support larger individual capacities than DDR3, making them more suitable for modern applications and operating systems that require more memory.
  • Better Bandwidth: DDR4 RAM provides increased bandwidth, which is essential for handling the large amounts of data generated by modern applications and games. This improved bandwidth contributes to better overall system performance.
  • Enhanced Reliability: DDR4 includes features that enhance error checking and correction, although the specific module mentioned is "Non-ECC," indicating it does not have error-correcting capabilities. In contrast, ECC (Error-Correcting Code) memory is commonly used in servers and workstations where data integrity is critical.

2400MHz Speed

The speed of a RAM module is crucial for the overall performance of your computer. The "2400MHz" in the name of this module indicates its speed, which is 2400 megahertz. But what does this speed mean, and how does it impact your computer's performance?

  • Faster Data Processing: A RAM module's speed, measured in MHz, determines how quickly it can process and transfer data. In this case, 2400MHz means that the RAM can handle data at a rate of 2400 million cycles per second. This translates to faster data processing, which can improve the speed and responsiveness of your computer.
  • Compatibility: It's essential to note that RAM speed must be compatible with your computer's motherboard. If your motherboard doesn't support 2400MHz RAM, it may downclock the RAM to a supported speed, which can affect the RAM's performance. Therefore, it's crucial to ensure that your motherboard supports this speed before purchasing this RAM module.
  • Overclocking: Some enthusiasts may want to overclock their RAM to achieve higher speeds. Overclocking involves running the RAM at speeds higher than its default specifications. While this can boost performance, it should be done cautiously, as it can lead to instability and potential damage if not done correctly.
  • Gaming Performance: RAM speed can impact gaming performance, especially in tasks that require quick data retrieval, like loading textures and assets in games. Faster RAM can lead to smoother gameplay, although the effect is more pronounced when using integrated graphics or low-end dedicated GPUs.
  • Content Creation and Productivity: For content creators, video editors, and other professionals, faster RAM can improve the speed at which complex tasks are completed. When working with large files or running resource-intensive software, the speed of your RAM can make a noticeable difference.


The "PC4-19200" part of the name is another specification that provides information about the RAM module's performance and compatibility. Let's break down what this term means:

  • PC4: This refers to the fourth generation of Personal Computer (PC) memory. In this case, "PC4" indicates that the RAM module is designed for systems that support DDR4 memory. DDR4 is the current standard for consumer-grade PCs and offers various improvements over its predecessors.
  • 19200: This number represents the data rate in MB/s (megabytes per second) that the RAM module is theoretically capable of. In this case, "19200" indicates a data rate of 19.2 gigabytes per second. This is a measure of the maximum bandwidth of the RAM, and it's important for determining the overall performance of your computer.
  • Compatibility: It's crucial to ensure that your motherboard and other system components support the PC4-19200 specification. If your motherboard doesn't support this data rate, it may downclock the RAM to a supported speed, which can affect overall performance.

CL17 (CAS Latency)

CAS Latency, often abbreviated as CL, is a critical specification of RAM modules. The "CL17" in the name of this module indicates that it has a CAS Latency of 17. But what exactly is CAS Latency, and how does it affect RAM performance?

  • CAS Latency Explained: CAS Latency is a measure of the time it takes for the RAM to respond to a memory request. In simple terms, it represents the delay between when the CPU requests data from the RAM and when the RAM delivers that data. Lower CAS Latency values are better because they indicate less delay and faster data retrieval.
  • Impact on Performance: RAM with a lower CAS Latency is generally more responsive and performs better in tasks that involve frequent memory access, such as gaming and content creation. A CAS Latency of 17 is decent and should provide good overall performance for most users.
  • Compatibility: It's important to note that CAS Latency should be compatible with your motherboard and other system components. Incompatibility can result in the RAM running at a higher CAS Latency, which can affect its performance.
Non-ECC (Error-Correcting Code)

The term "Non-ECC" indicates that this RAM module does not have Error-Correcting Code (ECC) capabilities. ECC RAM is designed to detect and correct errors in data, making it particularly suitable for applications where data integrity is crucial, such as servers and workstations.

  • Consumer-Grade Systems: Non-ECC RAM, like the one mentioned, is commonly used in consumer-grade computers, including desktops and laptops. These systems prioritize cost and performance over the level of error checking and correction.
  • Gaming and General Use: For gaming and general use, non-ECC RAM is more than sufficient. It provides fast and responsive memory performance, contributing to a smooth computing experience.
  • Workstations and Servers: ECC RAM is preferred in environments where data accuracy and reliability are of utmost importance. Workstations, servers, and mission-critical applications benefit from ECC memory's ability to detect and correct errors, reducing the risk of data corruption.
  • Cost and Availability: Non-ECC RAM is generally more affordable and readily available than ECC RAM. This makes it a practical choice for the majority of users who do not require the advanced error correction features of ECC memory.
Features and Specifications

The HMA81GS6AFR8N-UH is a type of DDR4 SDRAM (Synchronous Dynamic Random Access Memory) designed for use in servers. It has a capacity of 8GB, which is suitable for moderate to heavy server workloads. The memory operates at a speed of 2400MHz, which is the frequency at which data can be read and written from the memory module. This speed is particularly important for servers that need to handle large amounts of data quickly.

The memory has a CL17 latency, which means that it takes 17 clock cycles for the memory to respond to a read or write request from the CPU. This latency is considered low and makes the memory suitable for servers that require fast response times.

The HMA81GS6AFR8N-UH is a non-ECC (Error-Correcting Code) memory module, which means that it does not have the ability to detect and correct errors that may occur during data transfer. However, it is unbuffered, which means that it is more affordable than buffered memory modules and can deliver better performance in some server workloads.

The memory module has 260 pins and is designed to fit into a SODIMM (Small Outline Dual In-Line Memory Module) slot. SODIMM memory modules are smaller than standard DIMM (Dual In-Line Memory Module) modules and are commonly used in laptops and compact desktop computers. However, they are also used in some server systems that require a smaller form factor.

Usage in Servers

The HMA81GS6AFR8N-UH memory module is designed for use in servers, which are computing devices that are designed to handle large amounts of data and provide services to clients or other devices on a network. Servers are used in a variety of applications, including web hosting, file storage, and database management.

When choosing memory for a server, it is important to consider the server's specific requirements. Some servers may require high-capacity memory modules, while others may require faster memory modules. The HMA81GS6AFR8N-UH memory module is a good choice for servers that require moderate to high capacity and moderate speed.

It is also important to ensure that the memory modules are compatible with the server's motherboard. The HMA81GS6AFR8N-UH memory module is designed to be compatible with motherboards that support DDR4 SDRAM and SODIMM memory modules. It is important to consult the server's documentation or the motherboard manufacturer's website to ensure compatibility before purchasing memory modules.

General Information about the Hynix HMA81GS6AFR8N-UH

  • Brand Name: Hynix
  • Model Number or SKU# HMA81GS6AFR8N-UH
  • Type: Memory (RAM)
  • RAM Type: PC4-19200
  • Product Name: 8GB DDR4 SDRAM Memory Module

Technical Information for the 8GB DDR4 RAM

  • Storage Capacity: 8GB
  • Memory Technology: DDR4 SDRAM
  • Number Of Modules: 1 X 8GB
  • Bus Speed: 2400mhz DDR3-2400/PC4-19200
  • Ata Integrity Check: Non ECC
  • Signal Processing: Unbuffered
  • CAS Latency Timings: CL17

In summary, the "HMA81GS6AFR8N-UH Hynix 8GB DDR4 SDRAM 2400MHz PC4-19200 CL17 Non-ECC RAM" is a memory module that provides a balance of capacity, speed, and performance for a wide range of computing tasks. Its 8GB capacity is suitable for everyday use, multimedia, and gaming, while its DDR4 technology offers improved speed and energy efficiency.

The 2400MHz speed ensures responsive performance, and the CAS Latency of 17 indicates good overall responsiveness. The PC4-19200 specification is compatible with DDR4-supporting systems, and the non-ECC designation makes it a practical choice for consumer-grade computers.

When considering this RAM module for your computer, make sure to check your motherboard's compatibility with the specifications mentioned to maximize its performance. Whether you're building a gaming rig, upgrading your laptop, or enhancing your desktop computer, the "HMA81GS6AFR8N-UH Hynix 8GB DDR4 SDRAM 2400MHz PC4-19200 CL17 Non-ECC RAM" can be a valuable addition to your system, providing the memory needed to handle your daily computing needs.

Product Condition:
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Warranty provided by ALLHDD.COM:
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