MSI Modern 14 B11MOU-644AU RAM upgrade specifications
The MSI Modern 14 B11MOU-644AU laptop supports DDR4-SDRAM memory upgrades with 2x SO-DIMM slots for maximum expansion. Compatible RAM modules operate at 3200 MHz frequency with SO-DIMM form factor. The upgrade specifications allow for maximum memory capacity of 64 GB total. Current configuration and compatible memory modules depend on factory specifications. Users should verify existing memory capacity before selecting upgrade components to ensure compatibility with MSI Modern series specifications.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 3200 MHz |
| Maximum RAM | 64 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-3200 (PC4-25600) |
| Bandwidth | 25.6 GB/s |
| Laptop Release date | 28 September 2021 |
Additional Notes
- The MSI Modern 14 B11MOU-644AU supports dual-channel memory architecture through its 2 SO-DIMM slots, enabling doubled memory bandwidth compared to single-channel configurations when populated with matching modules.
- DDR4-3200 operates at a lower voltage than previous DDR3 standards, reducing power consumption and heat generation during extended operation.
- The 64 GB maximum capacity indicates compatibility with 32 GB individual modules, though these higher-density modules typically carry premium pricing compared to 8 GB or 16 GB alternatives.
- SO-DIMM form factor modules measure approximately 30% shorter than desktop DIMM modules, restricting upgrade sourcing to notebook-specific memory products.
- The 3200 MHz specification represents a minimum guaranteed frequency; installing modules rated above this speed will result in automatic downclocking to 3200 MHz by the system firmware.
- Accessing the memory slots requires bottom panel removal, which may void manufacturer warranty if performed without authorized service approval depending on regional warranty terms.
- Mixing modules with different speeds or timings will force all installed memory to operate at the lowest common denominator specifications, potentially reducing overall performance.
- The dual-slot configuration limits future expandability to a single upgrade cycle, as reaching maximum capacity requires replacing both modules simultaneously rather than adding to empty slots.
- DDR4-3200 delivers 25.6 GB/s theoretical bandwidth per channel, translating to 51.2 GB/s total bandwidth when both slots are populated with matched pairs.
- Non-ECC unbuffered modules are required for this consumer-grade platform, as registered or ECC memory types will cause POST failures or system instability.