370-BCLZ Dell 16GB DDR5-6400MT/s PC5-51200 1Rx8 ECC Registered 1.1v Memory Module

Dell 370-BCLZ 16GB DDR5 ECC Registered Memory

The Dell 370-BCLZ DDR5 memory module is engineered to support modern enterprise servers that demand higher bandwidth, improved efficiency, and dependable data accuracy. Built with next-generation DDR5 SDRAM technology, this module delivers a balanced combination of speed, stability, and scalability for data centers, virtualization platforms, and business-critical workloads. Its ECC registered architecture ensures consistent performance even under sustained heavy operations.

Product Details

• Manufacturer: Dell
• Part Number: 370-BCLZ
• Product Type: DDR5 SDRAM Memory Module

Technical Specifications

• Memory capacity of 16GB suitable for scalable server configurations
• High-speed DDR5 SDRAM architecture
• Data transfer rate reaching 6400MT/s (PC5-51200)
• Optimized for enterprise workloads and multitasking servers
• Designed for long-term reliability in 24/7 operations

DDR5 Technology Advantages

• Increased bandwidth for faster data access
• Improved power management at 1.1V operating voltage
• Enhanced stability for multi-core processors
• Future-ready architecture for next-generation servers

ECC Registered Memory Matters

• Reduces the risk of data corruption
• Improves system uptime and reliability
• Essential for databases, virtualization, and analytics workloads
• Supports stable performance under continuous load

Physical Design and Build Quality

• 288-pin registered DIMM form factor
• Built for enterprise-grade server chassis
• Lightweight construction for easy handling
• Manufactured to Dell quality standards

Supported Dell PowerEdge Models

• PowerEdge R470
• PowerEdge R570
• PowerEdge R670
• PowerEdge R6715
• PowerEdge R6725
• PowerEdge R770
• PowerEdge R7715
• PowerEdge R7725

Ideal Use Cases for Dell 370-BCLZ DDR5 Memory

• Enterprise servers and data centers
• Virtual machines and hypervisor platforms
• Cloud computing infrastructure
• Database and analytics servers
• Business-critical applications requiring high uptime

Dell 370-BCLZ 16GB ECC Registered Server Memory

In the mission-critical environments of data centers, enterprise servers, and high-availability workstations, memory isn't just about capacity and speed—it's about unwavering data integrity and system stability. This is where the specialized category of Error-Correcting Code (ECC) Registered memory modules, like the Dell 370-BCLZ 16GB DDR5-6400MT/s module, comes to the forefront. Unlike standard consumer RAM, these components are engineered with advanced features to manage the immense data workloads of servers, ensuring that every bit of data processed is accurate and that the system can scale to support large memory configurations without overburdening the CPU's memory controller. The shift to DDR5 technology marks a revolutionary step in this category, bringing unprecedented bandwidth, improved power efficiency, and enhanced reliability features that are essential for modern computational demands.

Capacity: 16GB DDR5

The 16GB capacity offers a substantial building block for server memory pools. In enterprise environments, modules are typically installed in multiples across multiple channels to create total system memory configurations of 64GB, 128GB, 256GB, and far beyond. The DDR5 (Double Data Rate 5) designation is key; it represents the fifth generation of DDR SDRAM, succeeding DDR4. DDR5 introduces a fundamental architectural shift, operating at a lower standard voltage of 1.1v (compared to DDR4's 1.2v) while delivering significantly higher speeds and doubling the burst length for more efficient data transfer.

Speed and Transfer Rate: 6400MT/s and PC5-51200

The speed of 6400 Mega transfers per second (MT/s) indicates how many data transfer operations the module can perform in one second. This is a raw data rate, and in the context of DDR (Double Data Rate), it means the module's I/O bus runs at an effective clock speed of 3200 MHz, but data is transferred on both the rising and falling edges of the clock signal, yielding 6400MT/s. This translates directly into the industry-standard "PC" classification: PC5-51200. The number "51200" is derived from the module's approximate peak transfer bandwidth in megabytes per second (MB/s). Calculated as (6400 MT/s * 64-bit bus / 8 bits per byte), a single module offers a theoretical bandwidth of approximately 51,200 MB/s, a substantial leap over DDR4's common PC4-25600 (3200MT/s) modules.

Critical Server Features: ECC and Registered (RDIMM)

These two acronyms define the professional-grade nature of this memory category and are non-negotiable for server stability. ECC is a hardware-level technology that detects and corrects the most common types of data corruption in real-time. Cosmic rays, electrical interference, or minor cell degradation can cause single-bit "soft errors" in memory. ECC memory includes extra bits (e.g., 8 bits for every 64-bit word) that store an encrypted checksum. When data is read, the memory controller recalculates the checksum and compares it to the stored one. If a single-bit error is detected, it is instantly corrected before being sent to the CPU. This prevents silent data corruption, application crashes, and system instability, which could lead to catastrophic errors in financial calculations, scientific research, or database integrity.

The Role of the Register (Registered DIMM)

A Registered DIMM (RDIMM) incorporates a memory register, or buffer, placed between the system's memory controller and the DRAM chips. This register handles the electrical load (or "fan-out") of the memory command and address signals. By buffering these signals, the RDIMM reduces the electrical strain on the memory controller. This allows a server motherboard to support a much greater number of memory modules—often populating all slots with high-capacity DIMMs—without risking signal degradation. While the register adds a minimal latency of one clock cycle, the benefit is vastly improved signal integrity and system scalability, which is far more critical in a multi-CPU, multi-DIMM server environment than the slight latency difference.

The DDR5 Advantage for Servers and Workstations

DDR5 isn't just an incremental speed boost; it's a re-architected platform for the next decade of computing. For servers utilizing modules like the Dell 370-BCLZ, the benefits are transformative. One of DDR5's most significant changes is the division of each memory module into two independent 32-bit addressable sub-channels. While a DDR4 module presents a single 64-bit channel to the memory controller, a DDR5 module presents two 32-bit sub-channels. This allows the CPU to handle two separate memory access commands simultaneously on the same module, improving overall efficiency and concurrency of memory operations. Furthermore, DDR5 introduces On-Die ECC. This is a separate, internal error-correction mechanism that operates within the DRAM chip itself, correcting bit errors that occur *inside* the memory chip before data is sent to the module's main ECC system. This layer of protection increases chip reliability and data retention, especially important as DRAM geometries shrink.

Power Management and Signal

DDR5 moves the critical Power Management Integrated Circuit (PMIC) from the motherboard directly onto the memory module. This on-module PMIC provides superior voltage regulation, cleaner power delivery to the DRAM chips, and reduced noise. It enables better granularity in power control and improves signal integrity, which is crucial for achieving and maintaining high speeds like 6400MT/s, especially in dense server configurations. The combination of a lower 1.1v operating voltage and more efficient regulation also contributes to improved power efficiency per operation, a key metric for large-scale data center deployments.

Dell PowerEdge Server

The Dell 370-BCLZ part number signifies it is a genuine Dell component, engineered and validated specifically for compatibility with Dell PowerEdge servers, such as the 14th generation (e.g., R740, R740xd) and newer platforms that support DDR5 memory. Using Dell-branded, certified memory ensures full compatibility with the system's BIOS, firmware, and Dell's proprietary management tools like DRAC (Integrated Dell Remote Access Controller). 

DRAC can read the module's Serial Presence Detect (SPD) data, monitor its health, report predictive failures, and ensure optimal performance profiles. Mixing non-certified memory can lead to boot failures, reduced performance, or disabled ECC functionality.

Mixing Modules: A Word of Caution

While it is often possible to mix memory modules, it is strongly discouraged in a professional server environment. Mixing different capacities, speeds, or even manufacturing batches can force the system to run all memory at the speed and timings of the slowest module, and can sometimes lead to instability. For best results, purchase and install memory in identical, factory-matched kits for the desired total capacity. This ensures all modules have the same manufacturer, chips, and characteristics, providing the most stable platform for the memory controller.

Compatibility 

This 16GB DDR5 370-BCLZ memory module is designed for compatibility with select Dell PowerEdge servers and supported enterprise systems that require DDR5 ECC Registered memory. It is validated to work seamlessly with compatible chipsets and BIOS configurations, ensuring reliable integration into existing hardware environments.