M386AAG40MM2-CVF Samsung 128GB DDR4 LRDIMM
M386AAG40MM2-CVF is a 128GB DDR4-2933 ECC Load-Reduced DIMM manufactured by Samsung. This high-capacity 288-pin memory module is designed for compatible servers and data-center platforms that support 128GB DDR4 LRDIMM memory.
The module operates at 2933 MT/s with CL21 latency and a standard DDR4 voltage of 1.2V. In addition, its quad-rank 4Rx4 organization and load-reduced architecture help compatible systems support higher memory capacities while reducing the electrical load placed on the memory channel.
Key Features
- 128GB DDR4 memory capacity
- DDR4-2933 data rate
- PC4-23466 industry designation
- 288-pin LRDIMM form factor
- ECC error-correcting memory
- Load-reduced architecture
- Quad-rank 4Rx4 organization
- CL21 CAS latency
- Standard 1.2V operation
- One 128GB Samsung memory module
Common Applications
- High-capacity enterprise servers
- Virtualization and private-cloud hosts
- Database and analytics servers
- In-memory computing systems
- Cloud and data-center infrastructure
- Replacement of an identical Samsung module
Is M386AAG40MM2-CVF Compatible With My Server?
Before ordering, verify that your server and processor support 128GB DDR4-2933 ECC Load-Reduced DIMM modules. Support for lower-capacity LRDIMMs does not automatically guarantee support for 128GB modules.
This module is not interchangeable with standard desktop UDIMM, ECC UDIMM, registered RDIMM or laptop SODIMM memory. Although RDIMM and LRDIMM modules are both server memory, they use different buffering architectures. Therefore, most systems do not allow them to operate together.
For best results, match the complete part number, capacity, speed, voltage, module type and rank organization with the server documentation or existing memory. However, the module may operate below 2933 MT/s when limited by the processor, motherboard or installed memory configuration.
M386AAG40MM2-CVF Specifications
Capacity | 128GB |
Memory Type | DDR4 |
ECC | ECC |
DIMM Type | LRDIMM |
Rank | 4Rx4 |
Speed | 2933 |
Voltage | 1.2V |
Height | STD |
Module Name | PC4-23466U-L |
Width | x72 |
Pins | 288-pin |
Depth | 16G |
Chip Size | 4Gb |
Banks | 16 Banks & POD-1.2V |
Organization | x4 |
Temperature | Commercial Temp.(0°C ~ 85°C) |
Frequency | 1467 |
Made By | Samsung |
Need Help Confirming Compatibility?
Compare the complete part number and specifications with your existing module and server documentation. For assistance selecting compatible server memory, contact AMP before ordering.









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