NMA1XBD256GQS Intel 256GB Memory Module 2666mhz Pc4-21300 Cl19 Ecc Optane Dc Persistent
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Highlights of Intel NMA1XBD256GQS 256GB DDR4 2666MHz Ram
The Intel NMA1XBD256GQS 256GB DDR4 2666MHz memory module is built for enterprise servers and data center environments requiring high-capacity, reliable, and persistent memory solutions. Featuring Registered ECC support and Optane DC Persistent Memory technology, this module enhances system responsiveness, data integrity, and large-scale workload performance.
General Information
- Manufacturer: Intel
- Part Number: NMA1XBD256GQS
- Product Type: Memory Module
- Sub Type: DDR4 2666MHz PC4-21300
- Memory Category: Optane DC Persistent Memory
Technical Specifications
- Capacity: 256GB
- Memory Technology: DDR4 SDRAM
- Bus Type: PC4-21300
- Pin Count: 288-Pin RDIMM
- Error Correction: Registered ECC
Performance & Speed
- Data Transfer Rate: 2666MHz
- Memory Speed: DDR4-2666
- CAS Latency: CL19
- Cycle Time: 0.75ns
- Operating Voltage: 1.2V
Enterprise Features
- Optane DC persistent memory technology for non-volatile data retention
- Enhanced data reliability with ECC protection
- Optimized for high-density virtualization and database applications
- Improved scalability for mission-critical server workloads
Compatibility
- Dell PowerEdge MX740c
- Dell PowerEdge MX840c
- Dell PowerEdge R640
- Dell PowerEdge R740
- Dell PowerEdge R740xd
- Dell PowerEdge R840
- Dell PowerEdge R940
- Dell PowerEdge R940xa
Overview of Intel NMA1XBD256GQS DDR4 PC4-21300 ECC Ram
The Intel NMA1XBD256GQS 256GB DDR4 2666MHz PC4-21300 CL19 ECC Optane DC Persistent Memory Module is engineered to transform enterprise server architecture by combining high-capacity memory with persistent data retention capabilities. Designed for data-intensive environments, this 256GB module extends the traditional memory hierarchy, enabling organizations to bridge the performance gap between volatile DRAM and storage. With its DDR4 2666MHz interface and PC4-21300 bandwidth rating, the module delivers consistent throughput while integrating Intel Optane DC Persistent Memory technology to preserve data even during unexpected power interruptions.
Advanced DDR4 2666MHz Architecture and PC4-21300 Bandwidth
Operating at 2666MHz, the Intel NMA1XBD256GQS provides PC4-21300 bandwidth, delivering up to 21.3GB/s of theoretical data throughput per module. This performance level ensures that high-core-count processors receive sufficient memory bandwidth to execute parallel workloads efficiently. The CL19 latency rating balances speed and stability, optimizing command timing to reduce delays during high-demand memory operations. For multi-threaded applications and virtualized environments, this consistent performance profile enables predictable workload behavior even during peak utilization.
High-Density 256GB Capacity for Scalable Server Deployments
The 256GB capacity per module significantly enhances server scalability by reducing the number of DIMMs required to achieve large memory footprints. High-density memory configurations are essential in modern enterprise deployments, where virtualization density, database performance, and AI model training demand substantial memory allocation. By utilizing 256GB modules, administrators can design systems that support terabyte-scale memory pools while maintaining efficient airflow and thermal stability within server chassis.
CL19 Latency for Enterprise Workloads
The CL19 latency specification of the Intel NMA1XBD256GQS reflects optimized timing for enterprise-class reliability and sustained throughput. Lower latency access ensures that processors can retrieve frequently accessed data quickly, which is critical for high-performance computing and transactional systems. Balanced timing parameters maintain stability in fully populated memory configurations, preventing performance degradation under heavy load.
Intel Optane DC Persistent Memory Technology
Intel Optane DC Persistent Memory introduces a revolutionary approach to enterprise memory architecture by combining the speed of memory with the persistence of storage. The Intel NMA1XBD256GQS leverages this technology to retain data across power cycles, enabling applications to recover rapidly without reloading large datasets from disk. This persistent capability reduces downtime and enhances overall system resilience in environments where availability is critical.
Accelerating In-Memory Databases and Analytics
In-memory databases rely on fast, large-capacity memory to deliver real-time data processing. The 256GB Intel NMA1XBD256GQS module allows enterprises to expand database memory pools substantially, enabling larger tables, indexes, and analytics datasets to remain in memory. Persistent memory functionality further enhances database resilience by retaining data during system restarts, significantly reducing downtime and improving service continuity.
Cloud Infrastructure
Virtualized environments demand scalable memory resources to support multiple virtual machines and containerized workloads. The Intel NMA1XBD256GQS 256GB module provides sufficient memory capacity to host dense VM clusters while maintaining performance consistency. Persistent memory ensures rapid VM recovery after maintenance or unexpected outages, reducing service interruptions in cloud and hybrid infrastructure deployments.
High-Performance Computing Applications
Artificial intelligence and machine learning workloads often require rapid access to large datasets during model training and inference. The 256GB capacity of the Intel NMA1XBD256GQS enables extensive data residency in memory, reducing storage bottlenecks and accelerating iterative computations. Persistent memory capabilities ensure that intermediate results and model states remain intact, improving workflow efficiency.
ECC and Registered DIMM Architecture
Error-Correcting Code technology integrated into the Intel NMA1XBD256GQS detects and corrects single-bit errors while identifying multi-bit faults, ensuring data accuracy in mission-critical applications. ECC protection is essential for enterprise servers handling financial transactions, healthcare records, and sensitive government data. The registered DIMM architecture buffers command and address signals, reducing electrical load on the memory controller and supporting stable operation in high-density configurations. This combination of ECC and RDIMM buffering enhances system stability, particularly in servers populated with multiple high-capacity modules. Organizations can deploy terabyte-scale memory pools without compromising reliability or signal integrity.
Thermal Management
The Intel NMA1XBD256GQS module is designed with energy efficiency in mind, balancing high performance with controlled power consumption. DDR4 technology operates at optimized voltage levels, reducing heat generation compared to earlier memory generations. Efficient thermal management ensures stable operation in densely populated server racks, preserving hardware longevity and minimizing cooling requirements. Data centers deploying high-capacity persistent memory modules benefit from reduced operational costs and improved sustainability. Efficient power usage contributes to lower energy bills while supporting corporate environmental initiatives.
Deployment Considerations
The Intel NMA1XBD256GQS is compatible with enterprise server platforms that support Intel Optane DC Persistent Memory 200 Series technology. Proper BIOS and firmware configuration is required to enable persistent memory modes and achieve full performance at 2666MHz. Administrators should verify processor and motherboard compatibility to ensure optimal operation. Deployment flexibility allows organizations to configure memory resources according to workload demands, balancing persistent and volatile memory allocations. This adaptability ensures efficient infrastructure planning and long-term scalability.
Memory Infrastructure
By adopting the Intel NMA1XBD256GQS 256GB DDR4 2666MHz PC4-21300 CL19 ECC Optane DC Persistent Memory Module, enterprises position their infrastructure for future growth. The combination of high capacity, persistent functionality, and enterprise reliability enables organizations to handle expanding datasets and evolving workloads with confidence. Scalable configurations protect infrastructure investments while delivering consistent performance for virtualization, AI, analytics, and cloud deployments. The integration of persistent memory into server architecture represents a transformative step in enterprise computing, empowering organizations to achieve higher efficiency, improved resilience, and optimized performance across data center environments.
