CPX-PPP1D Dell 128GB DDR5 5600Mt/s PC5-44800 ECC Registered CL46 288-Pin Rdimm Memory

Overview Of Dell CPX-PPP1D 128GB DDR5 PC5-44800 Memory

The DELL CPX-PPP1D 128GB DDR5 SDRAM memory module is engineered to deliver next-generation performance, scalability, and reliability for modern enterprise server environments. Built with advanced DDR5 architecture, this registered memory module supports higher bandwidth, improved power efficiency, and enhanced data integrity, making it an ideal solution for data centers, virtualization platforms, cloud workloads, and mission-critical applications.

General Information

• Brand: Dell 
• Part Number: CPX-PPP1D
• Product Type: Memory Module

Technical Specifications

Optimized Latency and Rank Architecture

• CL46 latency for consistent performance
• 2Rx4 rank structure for enhanced memory efficiency
• Designed for modern multi-core server CPUs

Physical Design and Form Factor

• 288-pin RDIMM form factor
• Optimized for enterprise-grade server motherboards
• Lightweight and compact for efficient deployment

Shipping Dimensions and Weight

• Shipping height: 1.00 inch
• Shipping depth: 6.75 inches
• Shipping weight: approximately 0.20 lb

Supported Dell PowerEdge Systems

• PowerEdge C6620
• PowerEdge MX760c
• PowerEdge R660
• PowerEdge R6615
• PowerEdge R6625
• PowerEdge R760
• PowerEdge R760xa
• PowerEdge R7615
• PowerEdge R7625
• PowerEdge R860
• PowerEdge R960
• PowerEdge XE8640
• PowerEdge XE9640
• PowerEdge XE9680
• PowerEdge XR5610
• PowerEdge XR7620

The Dell CPX-PPP1D 128GB DDR5 PC5-44800 Memory Module

The Dell CPX-PPP1D 128GB DDR5 ECC Registered RDIMM memory module belongs to the enterprise-grade server memory category designed for modern data centers, virtualization platforms, cloud infrastructures, and mission-critical computing environments. This category focuses on high-capacity, high-bandwidth DDR5 registered memory solutions that deliver consistent performance, advanced reliability, and scalability for Dell PowerEdge servers and compatible enterprise systems. As workloads continue to evolve toward data-intensive applications, DDR5 RDIMM memory modules represent a foundational component in achieving optimal system throughput, stability, and long-term operational efficiency.

DDR5 Memory Technology

DDR5 memory architecture introduces a significant leap forward compared to previous DDR4 generations. Modules in this category, including the Dell CPX-PPP1D, are engineered to support increased data rates, improved power efficiency, and enhanced signal integrity. Operating at 5600MT/s with a PC5-44800 bandwidth rating, this memory category is tailored to address the growing demands of AI-driven analytics, large-scale databases, virtualization clusters, and high-performance computing applications. The use of registered DIMM technology further ensures stability when scaling memory capacities across multiple channels and slots.

128GB Memory Capacity 

The 128GB single-module capacity defines this category as a high-density memory solution suitable for servers requiring large memory footprints without populating excessive DIMM slots. By utilizing a single 128GB RDIMM, system architects can preserve additional memory slots for future expansion while maintaining balanced memory channel configurations. This category supports workloads that benefit from large in-memory datasets, such as in-memory databases, real-time analytics engines, and enterprise resource planning platforms.

ECC Registered RDIMM Technology

Error-Correcting Code (ECC) registered memory is a defining characteristic of this category. The Dell CPX-PPP1D module utilizes ECC technology to detect and correct single-bit memory errors, significantly reducing the risk of data corruption and system instability. Registered DIMM architecture further enhances reliability by buffering command and address signals, which is critical in multi-DIMM configurations commonly found in enterprise servers.

Registered Memory for Scalable Server Platforms

Registered DDR5 RDIMM memory modules are optimized for scalability. By reducing electrical load on the memory controller, registered modules allow systems to support higher total memory capacities without compromising stability. This category aligns with Dell enterprise server designs that emphasize expandability, enabling organizations to scale memory resources as workloads grow over time.

Dual Rank x4 Configuration Benefits

The 2Rx4 dual-rank configuration found in this category enhances memory access efficiency by allowing the memory controller to interleave operations between ranks. This design improves effective bandwidth utilization and helps maintain consistent performance during parallel processing tasks. The x4 DRAM organization also contributes to stronger ECC protection, making this category particularly suitable for reliability-focused deployments.

DDR5 Performance and Bandwidth Advantages

Operating at 5600MT/s, DDR5 memory modules in this category deliver substantial bandwidth improvements over prior generations. The PC5-44800 specification reflects the theoretical maximum data transfer rate, which is essential for feeding modern multi-core processors with sufficient data throughput. This category supports systems with high core counts and advanced architectures that rely on fast memory access to maintain performance scaling.

Latency Optimization with CL46 Timing

While DDR5 introduces higher base latencies compared to DDR4, optimized timing parameters such as CL46 help balance latency and bandwidth. Memory modules in this category are tuned to deliver predictable access times under enterprise workloads, ensuring smooth operation across transactional systems, analytics platforms, and content delivery infrastructures.

Power Efficiency at 1.1V Operating Voltage

Power efficiency is a critical consideration in large-scale data centers. DDR5 RDIMM memory modules in this category operate at a reduced 1.1V voltage, contributing to lower overall system power consumption. This efficiency translates into reduced thermal output, improved cooling efficiency, and lower operational costs over the lifespan of the server infrastructure.

288-Pin RDIMM Form Factor and Compatibility

The 288-pin RDIMM form factor defines compatibility with modern server platforms supporting DDR5 memory. This category is engineered to integrate seamlessly with Dell PowerEdge servers and other enterprise systems designed around DDR5 architectures. The standardized form factor simplifies deployment, replacement, and future upgrades within existing infrastructure.

Scalability and Future-Proofing

Investing in DDR5 RDIMM memory modules positions organizations for future growth. This category aligns with next-generation processor platforms and server architectures that are designed to leverage DDR5’s advanced features. By adopting high-capacity modules like the Dell CPX-PPP1D, enterprises can extend the useful life of their server investments.