MSI Stealth A11UEK-228XES RAM upgrade specifications

MSI A11UEK-228XES MSI A11UEK-228XES MSI A11UEK-228XES

The MSI Stealth 15M A11UEK-228XES laptop features two SO-DIMM memory slots supporting DDR4-SDRAM upgrades at 3200 MHz frequency. Maximum RAM capacity reaches 64 GB, enabling memory expansion from the factory configuration. Compatible upgrades utilize SO-DIMM form factor modules. Specifications indicate dual-slot architecture for modular memory enhancement, supporting configurations up to the maximum 64 GB RAM capacity for the Stealth 15M series.

Memory Upgrade Specifications

SpecificationValue
Memory slots2x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency3200 MHz
Maximum RAM64 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-3200 (PC4-25600)
Bandwidth25.6 GB/s
Laptop Release date01 April 2021

Additional Notes

  • The 64 GB ceiling reflects both chipset addressing limits and motherboard trace design, preventing future expansion beyond this threshold regardless of module availability.
  • DDR4-3200 operation requires XMP or JEDEC profile compatibility in the system BIOS, as modules default to lower speeds without proper SPD recognition.
  • The MSI Stealth A11UEK-228XES relies on dual-channel architecture, making single module installations inefficient by halving memory bandwidth to the CPU.
  • SO-DIMM slots positioned under the bottom panel typically require complete disassembly of cooling assemblies in gaming chassis, complicating user-serviceable upgrades.
  • Mixing modules with different latency timings forces the memory controller to the slowest common denominator, degrading performance below rated specifications.
  • The 3200 MHz specification represents maximum supported frequency, meaning compatibility with 2933 MHz or 2666 MHz modules exists through automatic downclocking.
  • Warranty preservation depends on avoiding ESD damage during installation, as memory upgrades generally fall outside coverage despite being user-accessible components.
  • Dual-rank module configurations in both slots may trigger stability issues at 3200 MHz due to increased electrical load on the memory controller.
  • Native DDR4 support eliminates backward compatibility with DDR3L modules despite physical SO-DIMM form factor similarities, preventing accidental cross-generation installation.
  • Heat dissipation in compact laptop enclosures limits effectiveness of modules with tall heat spreaders, creating physical clearance conflicts with keyboard assemblies.