MSI Modern 15 A10M-489CA RAM upgrade specifications
The MSI Modern 15 A10M-489CA laptop supports DDR4-SDRAM memory upgrades with 2 SO-DIMM slots. Maximum compatible RAM capacity reaches 64 GB, with specifications supporting 3200 MHz frequency operation. The upgrade slots utilize standard SO-DIMM form factor modules, enabling memory expansion from factory-installed configuration to the maximum supported capacity of 64 GB total.
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 | 13 December 2020 |
Additional Notes
- The MSI Modern 15 A10M-489CA supports DDR4 modules only, excluding compatibility with newer DDR5 or older DDR3 technology regardless of physical adapter use.
- Both memory slots must remain accessible without keyboard or bottom panel removal restrictions, though confirming whether single or dual-channel population affects heat spreader clearance remains model-specific.
- Achieving the 64 GB ceiling requires two 32 GB SO-DIMM modules, which limits future expansion once installed and may present availability challenges compared to more common 16 GB density modules.
- The 3200 MHz specification represents JEDEC standard speed rather than overclocked XMP profiles, ensuring broad module compatibility without BIOS-level performance tuning requirements.
- Single-channel configuration using one occupied slot halves memory bandwidth compared to dual-channel operation, creating measurable performance degradation in integrated graphics workloads and memory-intensive applications.
- SO-DIMM form factor compliance excludes standard desktop DIMM modules due to incompatible pin count and physical dimensions, regardless of matching speed and capacity specifications.
- Operating voltage typically defaults to 1.2V for DDR4-3200, though modules rated at 1.35V may function with reduced performance or stability depending on chipset voltage regulation tolerances.
- Mixing modules with different CAS latencies or primary timings across the two slots can force both to operate at the slower module's specifications, potentially negating speed advantages of premium RAM.
- Warranty preservation generally permits user-accessible memory upgrades without seal breakage concerns, contrasting with soldered RAM designs that prohibit post-purchase capacity changes entirely.
- The dual-slot configuration allows incremental upgrades from factory-installed capacity rather than requiring complete module replacement to gain additional memory headroom.