AB011884 Dell 32GB PC4-23400 DDR4 2933MHz CL21 ECC Memory

Dell AB011884 32GB PC4-23400 DDR4 Memory

The Dell EMC AB011884 32GB DDR4 RDIMM is a high-performance memory solution designed for enterprise-grade servers and workstations. Engineered with ECC registered technology, this dual-rank module ensures stability, reliability, and faster data processing for demanding workloads. Its 2933MHz bus speed and CL21 latency deliver consistent efficiency across PowerEdge and Precision systems.

General Information

• Brand Name: Dell
• Part Number: AB011884
• Product Type: 32GB DDR4 SDRAM Registered DIMM Memory

Technical Specifications

• Capacity: 32GB single module
• Memory Architecture: DDR4 SDRAM
• Speed Rating: 2933MHz (PC4-23400)
• Error Correction: ECC for enhanced data integrity
• Signal Type: Registered for optimized server performance
• Latency: CL21 for balanced responsiveness
• Rank Configuration: 2Rx4 dual rank

Physical Characteristics

• Form Factor: 288-pin RDIMM
• Voltage Requirement: 1.2V for energy efficiency

Compatibility

Dell PowerEdge Servers

• C4140, C6420, FC640
• M640, M640 VRTX
• MX740c, MX840c
• R540, R640, R740
• R740xd, R740xd2
• R840, R940, R940xa
• T440, T640

Precision Workstations

• 7820 Tower, 7920 Tower
• R7920, R7920 XL
• T7820XL Tower, T7920XL Tower

Dell AB011884 32GB Memory Overview

The Dell EMC AB011884 32GB DDR4 RDIMM memory module represents a specialized category of enterprise server memory designed to operate within Dell EMC PowerEdge servers and VXRail hyper converged infrastructure environments. This category focuses on registered dual in-line memory modules that prioritize reliability, scalability, and sustained performance under continuous workloads. DDR4 SDRAM technology in this class is engineered to meet the rigorous demands of data centers, virtualization clusters, private cloud deployments, and mission-critical enterprise applications where system stability and predictable throughput are essential. This category of memory is defined by its registered architecture, error-correcting capabilities, and compatibility with server-grade chipsets. Unlike consumer or workstation memory, DDR4 RDIMM modules such as the AB011884 are validated to operate in multi-CPU server platforms that support large memory footprints and high-density configurations. The 32GB capacity aligns with modern server requirements where memory consolidation, virtualization density, and in-memory data processing have become central to infrastructure design.

DDR4 SDRAM

DDR4 SDRAM represents a significant evolution over earlier DDR generations, offering improved bandwidth, higher module densities, and reduced operating voltage. In the context of Dell EMC server memory categories, DDR4 is not merely an incremental upgrade but a foundational technology that supports modern workloads such as virtualization, software-defined storage, analytics, and containerized applications. Operating at 1.2 volts, DDR4 RDIMM modules deliver better power efficiency, which is critical in large-scale deployments where energy consumption and thermal output directly affect operational costs. The AB011884 module operates at 2933MHz, placing it within a performance tier optimized for balanced throughput and latency. This frequency aligns with Intel Xeon Scalable processor memory controllers commonly deployed in PowerEdge servers. The PC4-23400 specification denotes the theoretical peak bandwidth, enabling data-intensive applications to access memory resources efficiently. Within this category, DDR4 SDRAM is engineered to maintain signal integrity across multiple memory channels and slots, even in fully populated server configurations.

Registered DIMM

Registered DIMMs form a critical subcategory within server memory solutions, distinguished by the presence of a register or buffer between the memory controller and the DRAM chips. This register reduces the electrical load on the memory controller, allowing systems to support higher capacities and more modules per channel. In enterprise servers such as Dell EMC PowerEdge, this design enables scalability without compromising stability. The Dell EMC AB011884 memory module exemplifies the benefits of RDIMM technology by supporting large memory configurations essential for virtualization hosts and database servers. The registered design ensures consistent signal timing and reduces the likelihood of errors when operating at high frequencies like 2933MHz. This category is particularly relevant for organizations that require predictable system behavior under heavy workloads, as RDIMM memory contributes to lower error rates and improved uptime.

Dual Rank

Dual rank memory modules, such as the 2Rx4 configuration found in the AB011884, represent an important aspect of server memory categorization. A dual rank module contains two sets of memory banks that can be accessed independently, allowing for improved memory interleaving and better utilization of the memory bus. In server environments, this often translates to higher effective bandwidth and improved performance in multi-threaded applications. The 2Rx4 organization indicates that each rank is built using x4 DRAM devices, which are preferred in server-class memory due to their enhanced reliability and compatibility with ECC mechanisms. This design choice aligns with Dell EMC’s validation standards for PowerEdge and VxRail systems, ensuring that memory modules operate optimally within supported configurations.

ECC Registered Memory

Error Correcting Code functionality is a defining feature of enterprise server memory categories. ECC registered memory detects and corrects single-bit memory errors and detects multi-bit errors, significantly reducing the risk of data corruption. In environments where data integrity is paramount, such as financial systems, healthcare platforms, and virtualization clusters, ECC memory is not optional but a fundamental requirement. The AB011884 module’s ECC capability ensures that transient memory errors caused by electrical interference or cosmic radiation do not propagate into system crashes or corrupted datasets. When combined with registered architecture, ECC memory provides a robust foundation for mission-critical workloads. This category of memory is therefore central to enterprise IT strategies that prioritize reliability, compliance, and long-term system stability.

Compatibility

Dell EMC PowerEdge servers are engineered with specific memory validation matrices to ensure optimal performance and reliability. The AB011884 memory module falls within a category of Dell-qualified components that have been tested extensively for compatibility with supported PowerEdge. This qualification process ensures that the memory operates at its rated speed, voltage, and timing parameters when installed in approved server configurations. Within this category, memory modules are often matched to specific processor generations and chipset capabilities. The 2933MHz frequency aligns with second and third generation Intel Xeon Scalable processors, which are commonly deployed in PowerEdge rack and tower servers. Using Dell-qualified RDIMM memory reduces the risk of compatibility issues and ensures access to vendor support and firmware updates.

Memory

One of the defining characteristics of this memory category is its role in enabling scalable server architectures. By utilizing 32GB RDIMM modules, organizations can incrementally expand memory capacity as workload demands increase. This scalability is particularly important in environments that anticipate growth in virtualization density, database size, or analytics processing. The AB011884 module supports high-capacity configurations when combined with other RDIMMs of the same specification. PowerEdge servers often support dozens of memory slots, allowing total system memory to reach several terabytes. This scalability ensures that infrastructure investments remain viable over multiple years, adapting to evolving application requirements without necessitating complete hardware replacements.

Technical Specifications

The technical profile of the Dell EMC AB011884 memory module places it firmly within a high-performance enterprise memory category. With a capacity of 32GB, it addresses the needs of memory-intensive workloads while maintaining compatibility with standard 288-pin DIMM slots used in modern servers. The DDR4 SDRAM technology ensures efficient data transfer rates and reduced power consumption compared to previous generations. Operating at 2933MHz with a CAS latency of 21, this module balances speed and stability. CAS latency, or CL21, reflects the number of clock cycles required to access data, and within server environments, this specification is optimized to deliver consistent performance across diverse workloads. The PC4-23400 designation highlights the module’s ability to sustain high bandwidth, which is essential for multi-core processors accessing shared memory resources.

Voltage

The 1.2V operating voltage of DDR4 RDIMM modules contributes significantly to energy efficiency in data center environments. Lower voltage reduces power consumption per module, which in turn decreases heat generation. In densely populated server racks, thermal management is a critical concern, and memory modules that operate efficiently help maintain optimal operating conditions.

Use Cases

The category represented by the Dell EMC AB011884 memory module spans a wide range of enterprise use cases. In virtualization environments, memory capacity and reliability directly affect the number of virtual machines that can be hosted on a single server. 32GB RDIMM modules provide a flexible building block for scaling memory resources in response to growing virtualization demands. Database servers also rely heavily on memory performance, particularly for caching and query processing. ECC registered memory ensures that data integrity is maintained, while dual rank architecture supports efficient access patterns. This makes the module suitable for both transactional and analytical database workloads.

Integration

Modern server architectures are characterized by multi-core processors, high-speed interconnects, and complex memory hierarchies. Within this context, the category of DDR4 RDIMM memory represented by the AB011884 plays a crucial role in balancing compute and memory resources. Adequate memory bandwidth and capacity are essential for ensuring that processors are not starved for data. NUMA-aware operating systems and applications benefit from consistent memory performance across channels and sockets. Registered DIMMs support this consistency by maintaining signal integrity and timing accuracy.