Micron 64GB DDR5-5600 RDIMM MTC40F2046S1RC56BD2R

Brand: Micron | Category: Memory (RAM)

SKU: MIC-MTC40F2046S1RC56BD2R | Part #: MTC40F2046S1RC56BD2R | MPN: MTC40F2046S1RC56BD2R

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A single server socket supporting 12 DIMM slots can accommodate up to 768GB of installed memory when populated entirely with Micron 64GB DDR5-5600 RDIMM modules. This capacity ceiling defines the upper bound for most enterprise deployments targeting this performance tier, and the MTC40F2046S1RC56BD2R sits precisely at the sweet spot where organisations balance module density against per-gigabyte cost and thermal considerations. Data centre architects and infrastructure teams selecting memory for AI workloads, high-frequency trading platforms, and in-memory database clusters evaluate every generation of RDIMM against this 12-slot maximum, since exceeding it requires stepping up to LRDIMM variants or accepting reduced population counts. Micron's positioning in the DDR5 RDIMM space has matured significantly since the standard's introduction, and this particular SKU represents a stable, field-proven option for organisations that have already committed to the Micron ecosystem or require compatibility with validated platform configurations.

The MTC40F2046S1RC56BD2R operates at 5600 MT/s (megatransfers per second), a speed that sits comfortably within the JEDEC standard range for DDR5 and remains the dominant choice across most server OEM qualifications. At this clock speed, a fully populated 12-module system delivers aggregate bandwidth approaching 537 GB/s, sufficient for demanding multi-socket workloads where memory throughput becomes a measurable constraint. Micron engineered this module with a 1.1V operating voltage, which is lower than earlier DDR4 standards and contributes to reduced power consumption across the entire memory subsystem—an advantage that compounds when calculating total-cost-of-ownership over three to five-year deployment cycles. The CAS latency of 46 cycles reflects DDR5's inherent architectural trade-off between speed and latency; while this number appears elevated relative to DDR4 timings, the absolute time penalty remains under 8 nanoseconds, a figure that matters primarily in latency-sensitive applications rather than throughput-bound workloads. Micron maintains tight quality control on this timing specification, ensuring consistency across manufacturing batches.

Built as a registered DIMM with error-correcting code enabled, the MTC40F2046S1RC56BD2R carries the standard burden and benefit of enterprise-grade memory: every data transaction passes through ECC logic before being committed to the memory array, catching and correcting single-bit errors transparently and flagging multi-bit errors for system intervention. The 2Rx4 rank configuration indicates dual-rank, four-bank organisation, a layout that allows controllers to interleave requests across multiple banks and maintain consistent performance when one rank is servicing a read while another processes a write. The x80 bus width encompasses the 64-bit data path plus 16 bits of ECC, making this a true 80-bit interface from the DIMM connector perspective. Infrastructure teams responsible for systems supporting virtualisation, containerised workloads, or fault-tolerant databases depend on this ECC capability; a single undetected memory error in a hypervisor or database engine can corrupt data across dozens of guests or user sessions, and Micron's implementation of this protection mechanism has earned consistent adoption among hyperscalers and large enterprises operating in regulated industries.

Micron's DDR5 RDIMM line has achieved strong qualified-parts-list status across all major server manufacturers, including the leading platforms from Supermicro, Lenovo ThinkSystem, and Dell PowerEdge families. This widespread qualification means procurement teams can confidently specify the MTC40F2046S1RC56BD2R without requiring custom compatibility validation, an advantage that streamlines purchasing cycles and reduces the risk of last-minute substitutions. The part number MTC40F2046S1RC56BD2R also benefits from Micron's commitment to multi-year volume production, ensuring that second and third tranches of servers deployed on the same infrastructure platform can source identical or pin-compatible modules without inventory or configuration drift. Storage architects planning capacity expansion in years two or three of a data centre's operational life can reference this SKU with confidence that supplies will remain available through major distributors and that Micron will continue supporting it across firmware updates and platform refreshes. For organisations moving away from legacy DDR4 infrastructure, the psychological and operational comfort of choosing a vendor with this kind of manufacturing continuity should not be underestimated.

Omnixon Global maintains regional stock of Micron memory products, including the MTC40F2046S1RC56BD2R, serving data centre operators, system integrators, and large enterprises across the UAE, GCC, and into South Asia and Europe. Our team understands the specific demands of memory procurement in the Middle Eastern market, where lead times can be compressed and validation cycles accelerated when working with a supplier familiar with local technical standards and regional OEM preferences. Whether you are planning a phased memory upgrade, responding to an urgent capacity request, or evaluating bulk pricing for a multi-site deployment, we invite you to submit a request for quotation through our technical sales channel. We will provide detailed specifications, compatibility matrices, and delivery options tailored to your operational timeline and geographic footprint.

Performance Specifications

• 64GB capacity per DIMM; 768GB maximum per 12-slot socket architecture
• 5600 MT/s speed with 46-cycle CAS latency and 1.1V operating voltage
• Dual-rank (2Rx4) configuration enabling bank-level interleaving and improved concurrent transaction handling
• Full ECC protection on 80-bit interface (64-bit data plus 16-bit correction code)
• DDR5 JEDEC standard compliance with qualification across Supermicro, Lenovo, and Dell PowerEdge platforms
• Aggregate system bandwidth of approximately 537 GB/s in fully populated 12-DIMM configuration