UCS-MR-X16G2RS-H Cisco 16GB DDR4 SDRAM 288Pin Memory (PC4-21300)

Cisco UCS-MR-X16G2RS-H 16GB DDR4 Server Memory Overview

The Cisco UCS-MR-X16G2RS-H is a high-performance 16GB DDR4 server memory module designed for enterprise-grade workloads. Operating at a frequency of 2666MHz with PC4-21300 throughput, this ECC Registered DIMM ensures data integrity and reliability for mission-critical applications. Built with 288 pins and conforming to DDR4 SDRAM standards, this module is optimized for Cisco UCS servers, providing seamless integration with both UCS B-Series Blade Servers and C-Series Rack Servers. By leveraging ECC and registered technology, this memory module minimizes data corruption and supports high-demand computing environments where stability and performance are paramount.

Key Features and Architecture

Memory Capacity and Type

The Cisco UCS-MR-X16G2RS-H offers a 16GB memory capacity, suitable for a wide range of server configurations. As a DDR4 SDRAM module, it benefits from lower power consumption compared to previous DDR3 generations while offering higher data transfer rates. The 288-pin configuration ensures maximum bandwidth utilization and compatibility with modern Cisco server architectures.

Frequency and Bandwidth

Operating at 2666MHz, the UCS-MR-X16G2RS-H module delivers PC4-21300 performance, ensuring that server workloads such as virtualization, database management, and cloud computing are executed efficiently. The high-speed frequency enables faster memory access and reduced latency, supporting applications that require rapid data retrieval. The bandwidth offered by this module allows for seamless multitasking and handling of large data sets without compromising system performance.

Error Correction and Reliability

ECC (Error-Correcting Code) is an essential feature of the UCS-MR-X16G2RS-H, enabling automatic detection and correction of single-bit memory errors. This functionality is critical in enterprise environments where data integrity and uptime are crucial. Combined with the registered (buffered) nature of the DIMM, this memory module stabilizes electrical loads, ensuring consistent performance even under heavy server loads. These features reduce the risk of system crashes and data loss, making this module a reliable choice for demanding workloads.

Compatibility and System Integration

Cisco UCS Server Ecosystem

The UCS-MR-X16G2RS-H is specifically engineered to work with the Cisco Unified Computing System (UCS), including both B-Series blade servers and C-Series rack servers. Compatibility with UCS Manager allows administrators to manage memory resources efficiently, optimizing server performance across virtualized and physical workloads. This seamless integration ensures that system administrators can leverage full memory capacity without manual configuration complications.

Cross-Generation Compatibility

While optimized for current-generation servers, the UCS-MR-X16G2RS-H also maintains backward compatibility with select previous-generation Cisco UCS platforms. This allows businesses to upgrade memory incrementally without replacing entire server infrastructure. The module’s adherence to JEDEC DDR4 standards ensures interoperability with other DDR4 components, reducing procurement complexities and enhancing long-term infrastructure flexibility.

Performance Optimization and Workload Efficiency

Virtualization and Cloud Applications

High-speed memory modules like the UCS-MR-X16G2RS-H are essential for virtualized environments, where multiple virtual machines share server resources. The 2666MHz frequency coupled with ECC reliability ensures minimal latency and error-free operation, critical for hosting numerous virtual machines. The module supports memory-intensive cloud applications, delivering consistent performance for multi-tenant workloads and hybrid cloud deployments.

Database and Analytics Workloads

In enterprise database environments, memory bandwidth and reliability are essential for optimizing query performance and transactional processing. The UCS-MR-X16G2RS-H provides the necessary speed and error correction to handle complex database operations, real-time analytics, and large-scale data management. Its 16GB capacity per module allows administrators to scale memory configurations according to database size, ensuring uninterrupted access to critical information.

High-Performance Computing and Enterprise Applications

High-performance computing applications, including scientific simulations, financial modeling, and big data analytics, demand both capacity and speed. The UCS-MR-X16G2RS-H, with its DDR4 architecture and high frequency, enables efficient data processing and reduces bottlenecks associated with memory access. ECC and registered memory features further enhance system reliability under continuous computational load, making it ideal for enterprise applications requiring robust memory infrastructure.

Memory Module Features and Advantages

Energy Efficiency and Thermal Management

The DDR4 architecture of the UCS-MR-X16G2RS-H contributes to lower voltage operation, resulting in reduced power consumption compared to DDR3 modules. Lower energy requirements not only reduce operational costs but also minimize heat generation within server racks. Effective thermal management ensures consistent performance and prolongs the lifespan of both memory modules and surrounding server components.

Scalability and Future-Proofing

The modular design of the UCS-MR-X16G2RS-H allows enterprises to scale memory capacity according to evolving workloads. Adding additional modules to support larger datasets or virtualized environments is straightforward due to standard form factor and JEDEC compliance. This flexibility ensures that server infrastructure remains future-proof, accommodating growth without the need for complete hardware replacement.

Reliability Under Continuous Operation

Registered ECC memory modules, such as the UCS-MR-X16G2RS-H, are engineered for continuous operation in enterprise environments. The combination of ECC error correction, register buffering, and high-quality DRAM components ensures long-term stability. This reliability is especially important in environments requiring 24/7 operation, such as data centers, cloud hosting facilities, and mission-critical business systems.

Use Cases and Applications

Enterprise Data Centers

Data centers benefit significantly from deploying UCS-MR-X16G2RS-H modules due to their high reliability, speed, and capacity. Whether supporting virtualization, high-performance storage systems, or large-scale computational workloads, these memory modules provide the performance foundation necessary for maintaining uptime and optimizing throughput. Their compatibility with UCS Manager allows for streamlined memory management and monitoring, further enhancing operational efficiency.

Cloud Computing Platforms

Cloud service providers can leverage the UCS-MR-X16G2RS-H to optimize memory resources across virtualized infrastructures. Its high-speed performance supports rapid deployment of virtual machines, ensuring that multi-tenant environments operate without resource contention. The ECC and registered features maintain data integrity across all cloud applications, making it a reliable choice for enterprises offering SaaS, PaaS, or IaaS services.

High-Availability Systems

Applications requiring continuous uptime, such as financial trading platforms, healthcare IT systems, and critical ERP solutions, benefit from the robust architecture of the UCS-MR-X16G2RS-H. Its error-correcting capabilities prevent data corruption, while registered memory ensures stability under heavy computational loads. Deploying these modules in redundant configurations further enhances system resilience, safeguarding against unexpected downtime or performance degradation.

Advanced Memory Features

Registered Buffering and Signal Integrity

Registered memory modules include a buffer register that improves electrical signal integrity across multiple DIMM modules. In high-density server configurations, this feature ensures consistent memory operation and reduces electrical noise that could otherwise impact performance. The UCS-MR-X16G2RS-H leverages this technology to maintain stability across densely populated memory channels.

ECC Error Detection and Correction Mechanisms

The built-in ECC mechanism detects and corrects single-bit memory errors automatically, providing a safeguard against data corruption. Multi-bit errors are also monitored, allowing administrators to proactively replace faulty modules before they compromise system stability. This level of error correction is particularly critical in environments handling sensitive financial, medical, or research data.

Support for Multi-Channel Memory Architectures

The UCS-MR-X16G2RS-H is optimized for dual- and quad-channel memory configurations, allowing servers to maximize memory bandwidth. Multi-channel architectures enable simultaneous data access across multiple memory modules, enhancing overall throughput and reducing latency for memory-intensive applications. This capability is especially beneficial for virtualization, analytics, and high-performance computing workloads.