MSI Modern 15 A10RAS-287 RAM upgrade specifications

MSI 15 A10RAS-287 MSI 15 A10RAS-287 MSI 15 A10RAS-287 MSI 15 A10RAS-287 MSI 15 A10RAS-287

The MSI Modern 15 A10RAS-287 laptop features two SO-DIMM slots for memory expansion. This model supports DDR4-SDRAM modules operating at 2666 MHz frequency. The maximum RAM capacity compatible with this laptop reaches 64 GB total. Specifications indicate SO-DIMM form factor memory modules are required for upgrade compatibility. Current upgrade options allow users to expand the memory capacity within the two available slots to achieve the maximum supported 64 GB configuration.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date07 June 2020

Additional Notes

  • The MSI Modern 15 A10RAS-287 contains 2 SO-DIMM slots, which means both slots must be populated simultaneously to achieve dual-channel operation and optimal memory bandwidth. Single-slot configurations will result in 25-50% performance degradation in memory-intensive workloads.
  • DDR4-2666 MHz represents the baseline supported frequency. Third-party SO-DIMM modules rated for DDR4-3000, DDR4-3200, or higher speeds will downclock automatically to 2666 MHz due to JEDEC specifications, resulting in no performance gain from premium-speed modules.
  • The 64 GB maximum capacity requires both slots to contain 32 GB SO-DIMM modules. Mismatched capacities (such as 8 GB plus 32 GB) create asymmetric memory layouts that may disable dual-channel benefits and reduce effective bandwidth by 40-50%.
  • SO-DIMM modules are soldered differently than desktop DIMM variants and occupy significantly less physical space. Incompatible full-size DDR4 DIMMs will not fit the slots, and forced insertion causes permanent connector damage voiding the warranty.
  • Upgrading from baseline RAM to the 64 GB maximum requires purchasing 2 matching SO-DIMM modules simultaneously, as single-module replacements create memory capacity imbalances that prevent full bandwidth utilization during multithreaded operations.
  • The 2666 MHz specification defines the upper safe clock ceiling for warranty coverage. Operating DDR4 modules above this frequency voids manufacturer support for hardware defects and thermal-related failures.