Description
Product overview for the Dell A9781927
In the ever-evolving landscape of technology, memory modules play a crucial role in ensuring optimal performance for various computing systems. Dell, a renowned name in the realm of computer hardware, presents the A9781927 8GB memory module, designed specifically for servers. In this detailed exploration, we will dissect the specifications and features of the Dell A9781927 memory module, shedding light on its significance, technical attributes, and how it contributes to enhancing server performance.
Overview to Dell A9781927 8GB Memory Module
The Dell A9781927 is an 8GB DDR4 SDRAM memory module designed to meet the demanding requirements of server environments. Let’s break down its key specifications:
Capacity
The memory module boasts a capacity of 8GB, providing a significant boost to a server’s memory capabilities. The configuration is specified as 1X8GB, indicating a single 8GB module.
Memory Type and Speed
Built on DDR4 SDRAM technology, the A9781927 operates at a speed of 2666MHz. This speed, often referred to as the data transfer rate, determines how quickly data can be read from or written to the memory module.
Error-Correcting Code (ECC) and Registered Design
The A9781927 features ECC and a Registered design, both of which are critical for server-grade memory. ECC helps identify and correct errors that may occur during data storage or retrieval, ensuring data integrity. The Registered design adds an extra layer of stability by buffering memory address and control signals, reducing the load on the memory controller.
CAS Latency (CL) and Rank
The CAS latency of 19 (CL19) indicates the time delay between the moment a memory controller requests data and when it is available. Lower CAS latency values imply faster data retrieval. The module is described as 1Rx8, denoting a single rank with eight memory banks.
Voltage
Operating at 1.2V, the A9781927 is designed to be energy-efficient, contributing to reduced power consumption and heat generation.
Form Factor
With a 288-pin RDIMM (Registered Dual In-Line Memory Module) form factor, this module is tailored to fit into server memory slots, ensuring compatibility with server architectures.
Significance of Server Memory Modules
Understanding the significance of memory modules in server environments is crucial to appreciating the role the Dell A9781927 plays in enhancing server performance.
Memory as a Performance Bottleneck
In server operations, memory access speed can be a bottleneck affecting overall system performance. Slow memory can result in delays in data retrieval and processing, hindering the efficiency of critical server tasks.
ECC for Data Integrity
Servers handle vast amounts of critical data, and any errors in this data can have severe consequences. ECC, as featured in the A9781927, ensures that data stored in memory is accurate and free from errors, maintaining the integrity of mission-critical applications.
Registered Design for Stability
The Registered design of the memory module adds stability to server operations. By buffering memory signals, it prevents signal integrity issues that may arise in high-density memory configurations, common in server environments.
Technical Deep Dive
To further understand the technical aspects of the Dell A9781927 8GB memory module, let’s delve into specific components and their functions.
DDR4 SDRAM Technology
DDR4 SDRAM is the fourth generation of Double Data Rate Synchronous Dynamic Random-Access Memory. Its advancements over previous generations include higher data transfer rates, increased reliability, and improved power efficiency. The A9781927 leverages DDR4 technology to deliver superior performance in server applications.
ECC Mechanism
Error-correcting code is a mechanism employed in memory modules to detect and correct errors that may occur during data storage or retrieval. In server environments where data accuracy is paramount, ECC plays a vital role in maintaining the reliability of stored information.
Registered Design Explained
The Registered design involves adding a register between the memory module and the system’s memory controller. This register, or buffer, assists in reducing the electrical load on the memory controller. In high-density memory configurations, as often found in servers, the Registered design helps mitigate signal integrity issues, ensuring a stable and reliable operation.
CAS Latency and its Impact
CAS latency, measured in clock cycles, represents the time delay between the memory controller requesting data and the data being available. A lower CAS latency indicates quicker data access. CL19, as found in the A9781927, strikes a balance between performance and cost, making it suitable for server applications where reliability is a priority.
Voltage Efficiency
Operating at 1.2V, the A9781927 is designed for energy efficiency. Lower operating voltage contributes to reduced power consumption and heat generation, essential considerations in server environments where multiple modules work in tandem.
288-Pin RDIMM Form Factor
The 288-pin RDIMM form factor ensures physical compatibility with server memory slots. The Registered Dual In-Line Memory Module configuration allows for easy installation and reliable connection to the server’s memory subsystem.
Dell Compatibility
Being a Dell product, the A9781927 is engineered to seamlessly integrate with Dell servers. This ensures that users can confidently upgrade their server memory without concerns about compatibility issues.
System Requirements
Server administrators must be aware of the system requirements of the memory module. The A9781927, with its 288-pin RDIMM form factor and DDR4 technology, is well-suited for a wide range of server configurations.
Performance and Reliability
The ultimate measure of any memory module’s value lies in its performance and reliability. Let’s explore how the Dell A9781927 delivers in these crucial aspects.
Performance Metrics
The 2666MHz speed of the A9781927 contributes to enhanced data transfer rates, ensuring that the server can quickly access and process information. This is particularly vital in scenarios where real-time data processing is essential.
Reliability in ECC and Registered Design
The ECC mechanism and Registered design are fundamental features that enhance the reliability of the A9781927. ECC corrects errors in data, while the Registered design stabilizes memory operations, collectively ensuring the integrity of stored information.
Heat Management
The 1.2V operating voltage not only contributes to energy efficiency but also aids in heat management. Servers operating with lower voltage components generate less heat, reducing the need for extensive cooling solutions and promoting a more stable operating environment.
Considerations for Server Administrators
For server administrators contemplating the upgrade or replacement of memory modules, several considerations come into play.
Workload Analysis
Understanding the specific workload and demands on the server is crucial. Memory requirements vary based on applications, virtualization, and overall server utilization.
Scalability
Consideration should be given to the scalability of the memory solution. The A9781927, with its 8GB capacity, provides a balance between meeting current needs and allowing room for future expansion.
Budgetary Constraints
Budget considerations are always a factor in IT decisions. The A9781927, with its optimized balance of performance features, offers value for investment while meeting the reliability standards demanded by server environments.
General Information about the Dell A9781927
- Manufacturer: Dell
- Model Number or SKU# A9781927
- Type: Memory (RAM)
- RAM Type: PC4-21300
- Product Name: 8GB DDR4 SDRAM Memory Module
Technical Information for the 8GB DDR4 RAM
- Storage Capacity: 8GB
- This indicates the amount of data the storage can hold, and in this case, it’s 8 gigabytes.
- Memory Technology: DDR4 SDRAM
- DDR4 Synchronous Dynamic Random-Access Memory is the type of memory technology used. It’s a modern and efficient form of RAM.
- Number of Modules: 1 x 8GB
- There is a single memory module with a capacity of 8GB.
- Memory Speed: 2666MHz DDR4-2666/PC4-21300
- This represents the speed at which the memory can operate. In this case, it’s 2666 megahertz.
- Data Integrity Check: ECC (Error-Correcting Code)
- ECC is a feature that helps detect and correct errors in data, enhancing the reliability of the memory.
- Features: Single Rank, Registered
- The memory module is a single rank (configuration of memory chips) and is registered for improved stability.
- CAS Latency Timings: CL19
- CAS latency is the time it takes for the memory to access a particular column of data. Lower latency values are better, and in this case, it’s CL19.
Compatibility of Dell 8GB Memory Module
- PowerEdge C6420
- PowerEdge FC640
- PowerEdge M640
- PowerEdge M640 VRTX
- PowerEdge R440
- PowerEdge R540
- PowerEdge R640
- PowerEdge R740
- PowerEdge R740xd
- PowerEdge R940
- PowerEdge T440
- PowerEdge T640
- Precision Workstation R7920
- Precision Workstation R7920 XL
- Precision Workstation T5820
- Precision Workstation T5820 XL
- Precision Workstation T7820
- Precision Workstation T7820 XL
- Precision Workstation T7920
- Precision Workstation T7920 XL
Finally, the Dell A9781927 8GB memory module stands out as a reliable and high-performance solution. Its adherence to DDR4 SDRAM technology, ECC, Registered design, and energy-efficient operation makes it a valuable component for server administrators aiming to enhance their system’s memory capabilities.
By delving into the technical intricacies, compatibility factors, and performance metrics, we’ve gained a comprehensive understanding of how the A9781927 contributes to the efficient operation of servers. As technology continues to advance, memory modules like the A9781927 play a pivotal role in ensuring that servers meet the demands of increasingly complex workloads and applications.
The Dell A9781927 8GB memory module serves as a testament to Dell’s commitment to providing robust and reliable solutions for the evolving needs of server environments. Server administrators looking to optimize their systems can confidently consider the A9781927 as a viable option, backed by the trusted brand that is synonymous with innovation and quality in the realm of computing.
