Micron MTC40F204WS1RC64BB1 96GB 6400mhz Pc5-51200 Memory Module.

Micron MTC40F204WS1RC64BB1 96GB DDR5 Memory Module

The Micron MTC40F204WS1RC64BB1 delivers exceptional server-grade performance with its 96GB DDR5 SDRAM design. Built to enhance efficiency in enterprise workloads, cloud platforms, and intensive applications, this registered dual-rank ECC memory module ensures reliability and superior data processing capabilities.

Key Product Attributes

• Manufacturer: Micron Technology
• Model Number: MTC40F204WS1RC64BB1
• Capacity: 96GB (1 x 96GB)
• Technology: DDR5 SDRAM
• Speed: 6400MHz (PC5-51200)
• Form Factor: 288-Pin RDIMM
• Voltage: 1.1V Power Efficient
• Rank: Dual Rank x8
• Data Integrity: Advanced ECC Support
• Latency: CL52

Advanced DDR5 Technology

Built with next-generation DDR5 architecture, this module delivers higher bandwidth, improved efficiency, and superior scalability. Designed for modern computing environments, it provides:

• Up to 6400 MT/s data transfer rates for faster processing.
• Optimized power efficiency with just 1.1V operating voltage.
• Support for large-scale virtualization and AI-driven applications.

Performance Highlights

• Designed for mission-critical workloads and enterprise servers.
• Superior multitasking efficiency with dual-rank architecture.
• CL52 latency ensures balanced speed and response time.
• Handles massive datasets required in cloud computing.
• Reliable memory solution for virtualization, AI, and HPC systems.

Form Factor & Physical Specifications

• Form Factor: RDIMM 288-Pin
• Dimensions: 1.00” (Height) x 6.75” (Depth)
• Weight: Approx. 0.20 lb

The compact yet powerful design ensures easy installation while maintaining compatibility with modern server motherboards.

Reliability for Enterprise Solutions

Micron’s engineering excellence guarantees dependable operation in enterprise data centers, cloud storage environments, and business-critical applications. This module is optimized for high availability, scalability, and energy efficiency.

Ideal Use Cases

• Cloud-based infrastructures handling massive workloads.
• High-performance computing (HPC) applications.
• AI, machine learning, and big data analytics.
• Virtualization and multi-user enterprise environments.
• Database management and transactional systems.

Benefits at a Glance

• Massive 96GB capacity in a single module for simplified scaling.
• Fast DDR5 6400MHz speed supporting data-intensive workloads.
• ECC protection ensures uninterrupted, reliable operations.
• Registered design enhances signal stability across channels.
• Optimized for energy-efficient server deployments.

Future-Proof Investment

As data centers continue to evolve, investing in Micron DDR5 registered memory provides a future-ready solution. Its combination of high speed, large capacity, and enhanced error correction makes it an indispensable upgrade for businesses aiming for performance and reliability.

Micron MTC40F204WS1RC64BB1 96GB DDR5 RDIMM (PC5-51200)

The Micron MTC40F204WS1RC64BB1 96GB RDIMM is a high-performance server memory module designed for modern data centers, enterprise servers, and mission-critical workstations. Built to the PC5-51200 specification (DDR5-6400), this registered, error-correcting (ECC) dual-rank module uses 288-pin RDIMM form factor to deliver a balanced combination of bandwidth, capacity, and reliability. It is engineered for environments that demand low-latency transaction processing, virtualization density, high-performance computing (HPC), and database workloads where memory integrity and uptime are paramount.

Performance Attributes

Bandwidth and Throughput

PC5-51200 offers theoretical peak bandwidth of 51.2 GB/s per module under ideal conditions — a figure that translates to noticeable improvements in memory-bound workloads. Applications that repeatedly read and write large memory regions, such as virtualization platforms handling numerous guest instances, can benefit from the increased throughput. When paired with compatible CPUs and memory subsystems supporting DDR5-6400, the Micron module helps minimize memory bottlenecks.

Latency and Timings

DDR5 modules trade raw frequency for slightly different timing characteristics compared to DDR4. While absolute CAS latency numbers may appear higher, end-to-end performance often improves because of the higher clock rate and internal architectural improvements of DDR5 (on-die ECC, improved bank groups, and enhanced prefetch). For latency-sensitive applications, tuning platform BIOS settings and matching DIMM speeds across channels can yield the best real-world results.

Reliability & Data Integrity

Registered Buffering (RDIMM)

The registered register on RDIMMs reduces electrical loading on the memory controller, enabling stable operation with large aggregate memory capacity and multiple DIMMs per channel. This is especially important in multi-socket servers where dozens of DIMMs may be populated. RDIMMs help ensure reliable signal timing and reduce the risk of data corruption caused by electrical noise or impedance mismatches.

ECC — Error Correcting Code

ECC memory detects and corrects single-bit errors and detects multi-bit errors, which is crucial for systems that require high availability. The Micron 96GB RDIMM’s ECC capabilities reduce the chance of silent data corruption (SDC), a critical risk for databases, financial systems, and scientific computation where data integrity is non-negotiable.

Architecture & Module Design

Dual Rank Explained

A dual-rank DIMM contains two separate banks of memory chips that the memory controller can access independently. Practically, dual-rank modules can provide better utilization of memory channels and sometimes higher effective throughput compared to single-rank modules in certain platform topologies. Dual-rank RDIMMs are popular in enterprise deployments because they offer a good balance between capacity per DIMM and platform compatibility.

Signal Integrity and PCB Design

Micron’s server-grade modules often use multilayer PCB designs and tight trace routing to minimize crosstalk and maintain consistent electrical characteristics. The 288-pin connector follows stringent mechanical and electrical tolerances to ensure firm seating and reliable contact across thermal cycles.

On-Die Features

Modern DDR5 devices integrate features such as on-die ECC (ODECC) for the DRAM array, improved power management, and higher bank counts for concurrency. While ODECC complements system-level ECC, it doesn’t replace registered ECC and system-wide error handling; instead it reduces internal DRAM failure rates and contributes to overall module robustness.

Compatibility and Platform Support

Server Platforms and Chipsets

The MTC40F204WS1RC64BB1 is intended for servers and workstation-class motherboards that explicitly support DDR5 RDIMM modules of PC5-51200 speed. Before purchasing or deploying, verify the server vendor’s Qualified Vendor List (QVL) or memory compatibility matrix. Some systems enable automatic speed negotiation down to supported JEDEC profiles if the full 6400 MT/s is not supported by the CPU or BIOS.

BIOS and Firmware Considerations

BIOS versions and memory training algorithms affect stability and performance. When upgrading existing systems, update the server BIOS and BMC firmware per the vendor’s recommendations to ensure compatibility with higher-frequency DDR5 RDIMMs and to take advantage of memory training improvements.

CPU/Memory Controller Constraints

Memory speed is negotiated between the DIMM, motherboard, and the CPU’s integrated memory controller. Older CPU families or earlier revisions of server silicon may limit the maximum supported speed; in such cases, the module will operate at the highest mutually supported speed. Consult the CPU datasheet and motherboard manual to confirm supported module speeds and maximum supported DIMMs per channel.

Use Cases & Deployment Scenarios

Virtualization and Cloud Hosts

For hypervisors hosting dozens of virtual machines, memory capacity directly impacts consolidation ratios. A 96GB DIMM allows administrators to provision dense memory pools while maintaining ECC protection. RDIMM modules improve electrical stability when multiple DIMMs are installed across many channels.

Databases and In-Memory Analytics

In-memory databases (IMDBs) such as SAP HANA, Oracle In-Memory, and large Redis clusters require both capacity and bandwidth. This Micron 96GB RDIMM helps keep working datasets in memory, reducing disk I/O latency and improving query performance for analytics workloads.

High-Performance Computing (HPC)

Scientific simulations, molecular modeling, and engineering workloads often require both high capacity and predictable memory performance. The module’s RDIMM architecture and ECC support make it suitable for cluster nodes where bit-level correctness is necessary for long simulation runs.

Common Issues & Remedies

System Fails to POST

If the system does not POST after adding new DIMMs, reseat the modules, try different slots, and verify the DIMM is supported by the motherboard vendor. If multiple modules are installed, try one module at a time to isolate a faulty module or slot.

Reduced Speed or Unexpected Operation

If the module falls back to a lower JEDEC frequency, check CPU/motherboard support, and review BIOS memory settings. Some platforms may require manual configuration of XMP-like profiles or vendor memory speed settings to reach DDR5-6400.

Comparisons & Alternatives

Single Rank vs Dual Rank

Single-rank modules are sometimes preferred for maximum DIMMs per channel while maintaining certain platform speed targets; however, dual-rank units like the 96GB Micron module typically deliver better capacity per slot and can sometimes outperform single-rank modules in real-world multi-threaded workloads due to rank interleaving benefits.

Registered (RDIMM) vs Load-Reduced (LRDIMM)

LRDIMMs use buffer chips to reduce electrical loading and may enable even higher densities or more DIMMs per channel, but they add latency and can be more expensive. RDIMMs remain a cost-effective option for many enterprise servers; choose LRDIMM when you need extremely high DIMM population per channel and compatibility with the server vendor’s architecture.

Real-World Benchmarks & Expected Gains

Typical Gains in Memory-Bound Applications

Upgrading to DDR5-6400 RDIMMs from older DDR4 modules often yields improved throughput for memory-intensive tasks. Expect higher sustained memory bandwidth and improved multi-threaded performance in database queries, large in-memory caches, and analytics. Real-world gains vary by application: some compute-bound workloads may see modest improvements, while memory-bound workloads can benefit substantially.

Benchmarking Tips

• Use representative workload tests (e.g., large dataset SQL benchmarks, Redis/Memcached with high working set size, STREAM benchmark for bandwidth).
• Record baseline metrics before the upgrade to quantify improvements.
• Ensure server firmware and CPU microcode are up to date for fair benchmarking.

Security and Compliance Considerations

Data Integrity and Auditability

ECC memory, such as this Micron RDIMM, is a component in a broader data integrity strategy. For regulated industries (finance, healthcare, government), ECC helps meet technical controls that reduce silent data corruption risk. Maintain logs of corrected errors and any memory-related incidents for audit trails.

Supply Chain & Traceability

In sensitive environments, ensure that each DIMM’s provenance is traceable. Maintain records for vendor, lot number, and procurement channels to comply with internal or external supply-chain requirements.