63JN5 Dell 256GB DDR5 4800MT/s ECC Reg DIMM Server Memory

DELL 63JN5 DDR5 RDIMM Memory – 256GB High-Performance Module

Unmatched Server Memory Performance

Optimize your data center and enterprise-grade systems with the DELL 63JN5 256GB DDR5-4800 RDIMM. This single 288-pin module delivers exceptional speed and efficiency, engineered specifically for high-demand workloads and multi-threaded applications.

Highlights of the DELL 63JN5 Module

• Impressive Capacity: One 256GB module ensures expansive memory capabilities in a single slot
• Next-Gen DDR5 Technology: Enhanced bandwidth and lower power draw over DDR4 for future-ready server infrastructure
• ECC Functionality: Built-in error correction code ensures accurate data transfer and superior reliability
• High Bus Speed: Operates at 4800 MT/s with PC5-38400 bandwidth to handle intensive computational tasks
• Stable Registered DIMM: Buffered module type designed for consistent server performance and increased memory scalability
• Advanced Latency Control: CL40 timing for optimized memory responsiveness and reduced access delays
• Multirank Configuration: 8Rx4 rank structure enhances access parallelism for faster data throughput
• Energy-Efficient Voltage: 1.10V power requirement for minimized heat and power consumption

Detailed Technical Breakdown

Core Specifications

• Memory Format: 288-Pin RDIMM
• Capacity Per Module: 256GB
• Memory Architecture: 8-rank x4 organization
• Latency Specs: CAS Latency CL40
• Memory Type: DDR5 SDRAM

Bus & Timing

• Clock Speed: 4800 MT/s
• Transfer Rate: PC5-38400 throughput
• Error Detection: ECC (Error-Correcting Code) enabled
• Signal Control: Fully Registered for signal stability

Ideal Use Cases

This memory module is engineered for mission-critical applications in:

• Data centers requiring high-density memory capacity
• Enterprise environments running virtual machines and database applications
• High-performance computing (HPC) clusters
• Advanced AI and machine learning operations

Overview

The Dell 63JN5 256GB DDR5-4800 RDIMM is a high-performance memory module designed specifically for enterprise-grade servers and advanced computing platforms. With a configuration of 1x256GB, this module offers exceptional memory capacity, making it an ideal choice for data-intensive workloads, large-scale virtualization, in-memory databases, and high-performance computing (HPC) applications. As a Registered Dual In-Line Memory Module (RDIMM), it provides improved signal integrity and stability for mission-critical environments.

Key Specifications of Dell 63JN5 DDR5 Server Memory

• Model: 63JN5
• Capacity: 256GB (1x256GB)
• Type: DDR5 RDIMM
• Data Rate: 4800MT/s
• Speed Grade: PC5-38400
• Rank: 8Rx4
• CAS Latency: CL40
• Voltage: 1.10V
• Form Factor: 288-pin RDIMM
• ECC: Yes, ECC Registered

Performance Benefits of DDR5 Technology

DDR5 represents a significant leap in memory technology, offering improvements over its DDR4 predecessor in speed, efficiency, and capacity. The Dell 63JN5 utilizes DDR5-4800 MT/s transfer rates to deliver faster data throughput, which is essential for high-performance servers and applications requiring rapid access to large data sets. The increased bandwidth and higher base frequency enhance overall system responsiveness, especially in multi-threaded and virtualized environments.

Higher Bandwidth for Intensive Workloads

The Dell 63JN5’s 4800 MT/s bandwidth ensures that data flows efficiently between the processor and memory, reducing bottlenecks in data-heavy applications. This is particularly beneficial for:

• Virtual machines and hypervisors
• Big data analytics
• Scientific simulations
• Machine learning and AI training models

Reduced Power Consumption

With a nominal operating voltage of 1.10V, the DDR5 module consumes less power than previous generations, contributing to lower overall system energy usage. This is especially valuable in data centers where power efficiency translates into reduced operational costs and improved thermal performance.

ECC and Registered Memory for Reliability

The Dell 63JN5 is equipped with Error Correction Code (ECC) and is a Registered DIMM (RDIMM), providing added layers of data integrity and system reliability. ECC helps identify and correct single-bit memory errors automatically, a crucial feature in server environments where uptime and data accuracy are non-negotiable. The registered buffer improves memory signal quality, enabling the use of higher memory capacities without compromising stability.

Why ECC Matters in Enterprise Systems

In enterprise IT infrastructure, undetected memory errors can lead to corrupted data, application crashes, and system downtime. ECC mitigates these risks by continuously monitoring and correcting bit-level discrepancies in real-time. For organizations handling sensitive or high-value data, ECC ensures that integrity is preserved at every stage of data processing.

Server Compatibility and Use Cases

The Dell 63JN5 256GB RDIMM is engineered for use in Dell PowerEdge and other compatible server systems that support DDR5 memory architecture. Its high-density and registered design make it a top-tier solution for:

• Database servers
• Virtual desktop infrastructure (VDI)
• Cloud computing platforms
• High-availability clusters
• Data warehousing solutions

Data Centers and Hyperscale Environments

In modern data centers, efficiency and scalability are paramount. The 256GB single module capacity enables server administrators to maximize RAM without populating all memory slots. This optimizes airflow and cooling, extends hardware longevity, and provides future scalability as workload demands grow.

Technical Attributes and Module Construction

The Dell 63JN5 is built with high-quality components to ensure long-term reliability and performance. Its 8Rx4 configuration provides a high chip count per rank, which helps balance load and maintain consistent data access speeds. The 288-pin RDIMM form factor ensures robust connectivity and compatibility with standard DDR5 server motherboards.

Latency and Timing Characteristics

With a CAS latency of CL40, this module offers fast memory access while maintaining stability under heavy loads. Although DDR5 latency metrics differ slightly from DDR4, the combination of high frequency and intelligent on-die ECC makes DDR5 modules like the Dell 63JN5 more effective at sustaining high throughput without compromising accuracy.

Enhanced On-Die ECC

In DDR5 memory, ECC is not only applied externally but also internally on the DRAM chips. This on-die ECC mechanism ensures that any faults at the silicon level are corrected before they can affect system-level operations, offering a dual-layer error protection model.

Advanced Power Management

Power management is a critical consideration in enterprise computing. The Dell 63JN5 module integrates Power Management IC (PMIC) on the DIMM, allowing for localized voltage regulation. This innovation reduces dependency on motherboard-level power regulation and ensures more precise voltage control, contributing to power efficiency and module longevity.

Thermal Efficiency and Heat Dissipation

With its low-power DDR5 design and integrated PMIC, the Dell 63JN5 maintains an optimal thermal profile even in high-density configurations. The module is designed to operate effectively within standard data center temperature ranges, reducing the need for excessive cooling solutions.

Ideal Environments for 256GB RDIMM Memory

High-capacity RDIMM memory like the Dell 63JN5 is best suited for:

• Enterprise-level applications with high memory footprint
• Virtualized server environments running multiple VMs
• In-memory database engines such as SAP HANA or Oracle
• AI and machine learning platforms with large data models
• Scientific computing tasks requiring vast temporary storage