Micron Technology Inc.
64GB DDR5-4800 ECC Registered DIMM, 2Rx4, 288-pin, 1.1 V
The Micron MTC40F2046S1RC48BA1 is a 64GB dual-rank x4 DDR5 RDIMM (PC5-38400R) widely deployed in Intel Xeon Scalable 4th Gen and AMD EPYC 9004 servers. With the 4800 MT/s bin listed as obsolete at distribution and authorized stock at zero, high-capacity replacements for installed systems are increasingly allocated. Cerametronics helps data center and OEM buyers source traceable stock for maintenance and expansion builds.
Key Specifications
Verify against the original datasheet before quoting.
| Capacity | 64GB, dual rank (2Rx4), ECC (x80) |
|---|---|
| Speed | DDR5-4800 (PC5-38400R), CL40 |
| Voltage | 1.1 V (VDD/VDDQ), on-module PMIC |
| Module Type | 288-pin DDR5 Registered DIMM (RDIMM) |
| DRAM | Micron 16Gb DDR5 components |
| Typical Platforms | Intel Xeon Scalable 4th/5th Gen, AMD EPYC 9004 servers |
Market Status
Allocated – Limited Market Stock
Quality & Traceability
Cerametronics is ISO 9001 certified and products are RoHS compliant, with counterfeit screening and full traceability on every shipment. A Certificate of Conformance is available on request. For allocation-sensitive or high-risk lots, independent third-party lab verification can be arranged — just flag it on your RFQ. Any lot that fails incoming inspection is quarantined and never shipped.
FAQ
Is MTC40F2046S1RC48BA1 x4 or x8?
It is a dual-rank x4 (2Rx4) module built with 16Gb DDR5 DRAM, 64GB in total.
What should I check before ordering replacements?
Match capacity, rank and organization (2Rx4), speed (4800) and the server OEM qualified memory list, and request date codes and traceability documents for market stock.
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Cerametronics is an independent electronic components distributor and is not affiliated with Micron Technology Inc.. All trademarks belong to their respective owners.
