AC517143 Dell Vxrail 256GB Pc5-38400 Ddr5-4800mt/s Rdimm Memory

Dell AC517143 VxRail DDR5 Server Memory Kit

The Dell AC517143 represents a significant advancement in server memory technology, engineered specifically for VxRail hyper-converged infrastructure systems. This 256GB DDR5 RDIMM module operates at 4800MT/s with advanced error correction and reliability features designed for mission-critical enterprise workloads.

Key Specifications

Dell's AC517143 memory module delivers exceptional performance characteristics through its DDR5 architecture. The module features a 256GB capacity on a single 288-pin RDIMM form factor, operating at PC5-38400 classification with CAS latency of CL40 at 1.10V operating voltage. This specific configuration represents Dell's commitment to pushing memory technology boundaries for enterprise applications.

Memory Architecture

The module incorporates sophisticated memory architecture utilizing 8-rank organization with x4 data width. This architectural approach enables superior signal integrity and access patterns optimized for server workloads. The physical design includes temperature sensors and advanced thermal management features crucial for maintaining stability in dense server configurations.

DDR5 Technology Advancements

DDR5 technology represents a substantial leap forward from previous DDR4 implementations, offering improved performance, efficiency, and reliability. The AC517143 leverages these advancements to deliver superior performance in VxRail hyper-converged infrastructure deployments.

Enhanced Data Transfer Rates

Operating at 4800MT/s (MegaTransfers per second), this module provides approximately 50% higher data transfer rates compared to typical DDR4-3200 modules. The increased bandwidth enables faster data processing and improved application performance across virtualized environments and data-intensive workloads.

On-Die ECC Implementation

DDR5 architecture introduces On-Die ECC (Error Correction Code) that corrects bit errors within the memory die itself. This feature works in conjunction with the traditional ECC capabilities to provide additional protection against data corruption and improve overall system reliability.

Power Management Innovations

The module operates at 1.10V, representing significant power efficiency improvements over previous generations. DDR5's power management architecture includes a dedicated Power Management IC (PMIC) that enables more precise voltage regulation and better power distribution across the memory module.

PMIC Benefits and Functionality

The integrated PMIC transforms 12V supply voltage to the required memory voltages, providing superior power delivery compared to motherboard-based regulation. This distributed power architecture reduces noise and improves signal integrity while enabling more granular power management capabilities.

VxRail System Compatibility and Optimization

The AC517143 memory module is specifically engineered and validated for Dell VxRail hyper-converged infrastructure systems. This ensures seamless integration and optimal performance within the VxRail ecosystem, which combines compute, storage, and virtualization resources in a unified platform.

VxRail Platform Requirements

This memory module is designed to meet the specific requirements of VxRail nodes, including compatibility with Dell PowerEdge servers that form the foundation of VxRail infrastructure. The module undergoes extensive compatibility testing to ensure reliable operation across various VxRail configurations and workload types.

Performance in Hyper-Converged Workloads

In VxRail environments, the memory module is optimized for mixed workloads typical of hyper-converged infrastructure, including virtualization, software-defined storage, and containerized applications. The high capacity and bandwidth support memory-intensive operations while maintaining consistent latency profiles.

Enterprise-Grade Reliability Features

The Dell AC517143 incorporates multiple reliability technologies. These features ensure data integrity and system stability even under demanding workload conditions.

ECC Registered Architecture

As an ECC Registered DIMM, this module includes both error correction capabilities and registered buffers that reduce electrical load on the memory controller. This combination enables support for higher memory capacities per channel while maintaining signal integrity and error correction for single-bit and multi-bit errors.

Error Correction Capabilities

The ECC implementation can detect and correct single-bit errors and detect multi-bit errors within the same memory device. This advanced error correction is crucial for maintaining data integrity in mission-critical applications and preventing silent data corruption.

Performance Characteristics

The performance profile of the AC517143 memory module is characterized by high bandwidth, optimized latency, and consistent operation under various workload conditions. These characteristics make it suitable for demanding enterprise applications.

Bandwidth and Latency Profile

With a data rate of 4800MT/s and PC5-38400 classification, the module delivers theoretical peak bandwidth of approximately 38.4 GB/s per module. The CL40 latency specification represents an optimized balance between speed and responsiveness for server workloads.

Real-World Performance Metrics

In practical applications, the memory demonstrates significant performance improvements in virtualized environments, database operations, and analytics workloads. The combination of high capacity and bandwidth enables faster data processing and reduced wait times for memory-intensive operations.

Scalability Considerations

The 256GB capacity per module enables substantial total memory configurations in multi-socket servers. When populated across all available memory slots, VxRail systems can achieve terabyte-scale memory capacities suitable for in-memory databases and large virtualized environments.

Performance Optimization Features

VxRail systems can leverage memory performance data to optimize workload placement and resource allocation. The memory module's performance characteristics are factored into VxRail's automated workload balancing and quality of service implementations.

Use Cases and Application Scenarios

The high-capacity DDR5 memory module is suited for various demanding enterprise workloads that benefit from large memory capacities and high bandwidth.

Virtualized Environments

In virtualized infrastructure, the module supports high virtual machine density and memory-intensive applications. The large 256GB capacity per module enables consolidation of more workloads onto individual VxRail nodes while maintaining performance.

VDI and Application Virtualization

For Virtual Desktop Infrastructure (VDI) and application virtualization, the memory provides the necessary capacity and performance to support multiple concurrent users with responsive experiences. The ECC protection ensures data integrity for user sessions and applications.

In-Memory Databases

In-memory database platforms such as SAP HANA and other real-time analytics systems benefit from the module's high capacity and bandwidth. The fast data access enables real-time processing of large datasets for business intelligence and transactional systems.

Data Analytics

Modern analytics and artificial intelligence workloads often require large memory capacities to process datasets without frequent disk access. The AC517143's characteristics make it suitable for these memory-intensive computing scenarios.