MTC40F2046S1RC48B Micron 64GB DDR5-4800 ECC RDIMM
MTC40F2046S1RC48B is a 64GB DDR5-4800 registered ECC RDIMM manufactured by Micron. This 288-pin server memory module provides PC5-38400R performance for compatible servers, enterprise workstations and computing platforms that support DDR5 registered memory.
The module operates at 4800 MT/s with CL40 latency, 40-39-39 primary timings and the standard DDR5 voltage of 1.1V. In addition, its dual-rank 2Rx4 organization and registered ECC architecture support reliable operation in compatible enterprise systems. Each quantity ordered includes one 64GB memory module.
Key Features
- 64GB DDR5 memory capacity
- DDR5-4800 data rate
- PC5-38400R industry designation
- 288-pin RDIMM form factor
- Registered ECC architecture
- Dual-rank 2Rx4 organization
- CL40 CAS latency
- 40-39-39 primary timings
- 1.1V standard DDR5 operation
- 38.4 GB/s theoretical bandwidth
- Manufactured by Micron
- One module per quantity ordered
Common Applications
- Compatible enterprise servers
- Virtualization hosts
- Database servers
- Data-processing systems
- Enterprise workstations that support RDIMMs
- Replacement of an identical Micron module
Is MTC40F2046S1RC48B Compatible With My System?
Before ordering, verify that the server, motherboard and processor support 288-pin DDR5 registered ECC RDIMM memory. The system must also support 64GB module capacities and dual-rank 2Rx4 organization.
This module is not interchangeable with DDR4 memory, unbuffered UDIMM, laptop SODIMM or load-reduced LRDIMM memory. Do not mix RDIMMs and LRDIMMs unless the system manufacturer explicitly supports that configuration. The module may operate below 4800 MT/s when limited by the processor, motherboard or installed-memory configuration.
MTC40F2046S1RC48B Specifications
Capacity | 64GB |
Memory Type | DDR5 |
ECC | ECC |
DIMM Type | RDIMM |
Rank | 2Rx4 |
Speed | 4800 |
Voltage | 1.1V |
Height | STD |
Module Name | PC5-38400R |
Pin | 288 |
Made By | Micron |
Need Help Confirming Compatibility?
Compare the complete part number and specifications with your existing module or system documentation. For help selecting compatible server memory, contact AMP before ordering.









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