MTA72ASS8G72LZ-2G9J1 Micron 64GB DDR4-2933MHz 288-Pin Memory Module

Micron 64GB DDR4 ECC Memory Module

Product Details

• Brand: Micron
• Part Number: MTA72ASS8G72LZ-2G9J1
• Product Name: 64GB Memory Module

Technical Specifications

Core Features

• Capacity: 64GB
• Technology: DDR4 SDRAM
• Module Count: 1 x 64GB

Performance Attributes

• Bus Speed: 2933MHz / PC4-23400
• Error Correction: ECC (Error-Correcting Code)
• Signal Processing: Registered
• CAS Latency: CL21
• Rank Configuration: 4Rx4

Physical Characteristics

Form Factor

• Type: 288-pin LRDIMM

Dimensions and Weight

• Height: 1.00 inch
• Depth: 6.75 inches
• Weight: 0.20 lb

MTA72ASS8G72LZ-2G9J1 DDR4 ECC Memory Overview

The Micron MTA72ASS8G72LZ-2G9J1 64GB 4RX4 PC4-23400 DDR4-2933MHz ECC Memory represents a high-capacity, enterprise-focused memory solution designed for modern server platforms and data-intensive computing environments. This category of memory modules is engineered to support mission-critical workloads that demand stability, predictable performance, and long-term reliability. As part of the DDR4 ECC Registered DIMM segment, this memory aligns with contemporary server architectures that prioritize error correction, scalability, and efficient power usage across dense computing infrastructures.

DDR4 registered memory modules, commonly referred to as RDIMMs, are purpose-built for servers and enterprise workstations rather than consumer desktops. The Micron 64GB 4Rx4 module fits squarely into this category, offering a balance of speed, capacity, and data integrity features. With a data rate of 2933MHz and a PC4-23400 bandwidth rating, this memory solution is tailored to maximize throughput in multi-socket server environments while maintaining compatibility with a wide range of Intel and AMD server platforms.

High-Density 64GB Capacity for Scalable Server Deployments

The 64GB capacity of this Micron memory module addresses the growing need for higher memory densities in virtualization, cloud computing, and database-driven applications. As organizations consolidate workloads and deploy more virtual machines per host, memory capacity becomes a defining factor in overall system performance. A single 64GB RDIMM allows system architects to populate fewer slots while still achieving substantial total memory footprints, enabling better airflow, reduced power draw, and simplified upgrade paths.

High-density modules such as this one are particularly valuable in enterprise servers that support large memory configurations across multiple channels. By leveraging 4Rx4 organization, the module distributes memory components in a way that optimizes signal integrity and supports registered buffering. This design ensures that even at higher capacities, the system maintains stability and consistent access times, which is essential for transactional databases, in-memory analytics, and enterprise resource planning platforms.

4Rx4 Architecture and Its Role in Server Stability

The 4Rx4 architecture refers to the rank and data width configuration of the memory module. In this design, the module is organized into four ranks with x4 DRAM devices, a configuration commonly used in high-capacity ECC registered memory. This architecture enhances reliability and allows server memory controllers to manage large amounts of memory efficiently. By spreading the load across multiple ranks, the system can achieve better interleaving and improved access efficiency under heavy workloads.

In enterprise environments, where memory errors can have significant consequences, the 4Rx4 configuration works in conjunction with ECC functionality to detect and correct single-bit errors automatically. This is especially important in applications that run continuously, such as financial systems, healthcare databases, and large-scale e-commerce platforms. The architecture of this Micron module reflects a design philosophy centered on sustained performance and data integrity rather than raw consumer-oriented speed metrics.

DDR4-2933 Characteristics and Bandwidth

Operating at DDR4-2933MHz, the Micron MTA72ASS8G72LZ-2G9J1 delivers a memory bandwidth rating of PC4-23400, which translates into high data transfer rates suitable for modern server CPUs. This performance level aligns with the capabilities of contemporary processors that feature multiple memory channels and advanced memory controllers. By matching the memory speed to the supported CPU specifications, system builders can avoid bottlenecks and ensure that processors are consistently fed with data.

Higher memory frequencies like 2933MHz provide tangible benefits in workloads that rely on rapid access to large datasets. Applications such as virtualization hosts, big data analytics engines, and scientific simulations all benefit from increased memory bandwidth. This memory category is optimized to deliver stable performance at its rated speed over long operational lifecycles, making it well-suited for 24/7 data center environments.

Latency, Throughput, and Real-World Server Workloads

While memory frequency is a key specification, latency and sustained throughput are equally important in enterprise scenarios. DDR4-2933 memory strikes a balance between speed and signal stability, particularly in registered DIMM configurations. The Micron 64GB module is engineered to operate within strict timing parameters that ensure predictable response times under load. This predictability is crucial for applications that require consistent transaction processing and low jitter.

In real-world server deployments, memory performance is often evaluated by how well it supports concurrent workloads rather than peak benchmark numbers. The combination of high capacity, ECC protection, and registered buffering allows this memory to maintain throughput even when all channels are fully populated. This makes it an ideal choice for scale-out architectures and enterprise virtualization clusters.

Registered DIMM Design for Multi-Socket Servers

Registered DIMMs differ from unbuffered memory by including a register that buffers command and address signals before they reach the DRAM chips. This design reduces the electrical load on the memory controller, allowing systems to support more memory modules per channel without sacrificing stability. The Micron MTA72ASS8G72LZ-2G9J1 is specifically designed as a registered DIMM to meet the demands of multi-socket server platforms.

In large servers with multiple CPUs and numerous memory slots, registered memory is essential for maintaining signal integrity. This category of memory enables higher total memory capacities and more flexible system configurations. By choosing RDIMM modules, system integrators can design servers that scale gracefully as workload demands increase.

Compatibility with Enterprise Server Platforms

This Micron DDR4 ECC RDIMM is engineered to be compatible with a wide range of enterprise server platforms from leading OEMs. Its adherence to JEDEC standards ensures predictable behavior across supported systems. Compatibility extends to servers based on modern Intel Xeon and AMD EPYC processors that support DDR4-2933 registered memory configurations.

System compatibility is a critical consideration in enterprise deployments, where mixed memory configurations can lead to instability or reduced performance. By selecting memory modules from a reputable manufacturer like Micron, organizations can minimize compatibility risks and simplify procurement and maintenance processes.

Micron Manufacturing Quality and Enterprise Validation

Micron is a globally recognized manufacturer of memory and storage solutions, with a strong reputation for quality and reliability in enterprise markets. The MTA72ASS8G72LZ-2G9J1 module benefits from Micron’s rigorous manufacturing processes and extensive validation testing. Each module undergoes comprehensive quality control measures to ensure it meets strict performance and reliability standards.

Enterprise memory validation involves testing modules under a variety of operating conditions, including thermal stress, prolonged usage, and compatibility scenarios. This level of testing is essential for memory that will be deployed in critical infrastructure. The category of Micron enterprise DDR4 memory is trusted by data center operators, system integrators, and OEMs worldwide.

Long Lifecycle Support and Supply Chain Stability

One of the advantages of enterprise memory from established manufacturers is long lifecycle availability. Micron designs its enterprise memory products to remain available for extended periods, supporting long-term infrastructure planning and consistent system builds. This is particularly important for organizations that require hardware consistency across multiple deployment phases.

Supply chain stability also plays a role in total cost of ownership. By selecting memory from a manufacturer with a strong global presence, organizations can reduce the risk of shortages or unexpected product changes. This category of memory supports predictable procurement and maintenance strategies.