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Micron MTC40F2047S1RC56BR 128GB DDR5 SDRAM Memory Module
- Micron DID Agnostic Server DRAM for simplified procurement
- JEDEC-compatible for seamless integration
- Reduces stock-outs and delivery delays
- Trims server MPNs for faster, easier orders
- Maximize server performance with increased memory capacity
- Affordable way to boost IT budgets and extend server life
- Run more virtual machines and improve application responsiveness
- Optimized for DDR5 technology for peak performance in AI, HPC, and cloud computing
- DDR4 options for budget-conscious server applications and additional capacity.
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Overview
Specs
Reviews
DDR5 RDIMM 128GB 2RX4 5600 CL46 (32GBIT) (SINGLE PACK)
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.ca's Standard Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
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The Micron MTC40F2047S1RC56BR is a 128GB DDR5 server memory module for compatible servers used in AI, high-performance computing, and cloud workloads that benefit from increased memory capacity.
Recommended For
- Server operators expanding virtualization hosts to run more memory-intensive virtual machines, provided the server supports 128GB DDR5 RDIMMs.
- IT teams upgrading database, web-hosting, file, email, or backup servers that need high memory capacity in a single DIMM.
- Cloud, AI, or HPC infrastructure teams whose workloads benefit from adding server memory capacity and whose platform supports this 128GB module.
- Server administrators standardizing or replacing memory in systems designed for registered DDR5 ECC RDIMMs, after checking the system’s supported capacity and memory configuration.
Real-World Use Scenarios
- In a compatible DDR5 RDIMM server that is short on memory, adding this module can give a virtualization host room for more or larger virtual machines before memory pressure forces workloads to compete for RAM.
- For a server running memory-intensive AI or HPC workloads, using 128GB modules can help fit larger working sets in system memory; the outcome depends on the full system configuration and workload, not on one module alone.
- When a database or analytics workload is constrained by how much data fits in RAM, adding high-capacity server memory can let more of its working set stay resident, reducing reliance on slower storage access when the workload is memory-bound.
- For a cloud or business server hosting several memory-hungry applications, adding capacity may allow more workloads to share the host or improve headroom for existing services, provided the server platform supports this DIMM and memory layout.
- When upgrading an existing server, an IT team can use the 128GB module to increase installed memory with fewer DIMM slots than smaller-capacity modules would require; the system must support the module’s type, capacity, and operating speed.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Servers and workstations that use DDR5 ECC registered DIMMs, with 128 GB capacity |
| Memory Capacity | 128 GB |
| Memory Type And Form Factor | DDR5 registered ECC DIMM with 288 pins |
| Speed And Latency | 5600 MT/s (44,800 MB/s data transfer rate), CL46 |
| Model Identifiers | Micron MTC40F2047S1RC56BR |
| Package Quantity | 1 module |











