MSI Modern 15 A11M-819NL RAM upgrade specifications

MSI Modern 15 A11M-819NL laptop RAM upgrade specifications indicate DDR4-SDRAM memory compatibility. The system features 2x SO-DIMM slots supporting maximum RAM capacity of 64 GB. Compatible memory modules operate at 3200 MHz frequency. Upgrade specifications confirm DDR4-SDRAM as the required memory type, with SO-DIMM form factor required for installation into available slots. Maximum memory capacity reaches 64 GB total when both slots contain compatible DDR4-SDRAM modules at specified frequency.

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 date10 September 2021

Additional Notes

  • The MSI Modern 15 A11M-819NL uses laptop-class SO-DIMM modules rather than full-size DIMMs, restricting upgrade sourcing to mobile memory products and eliminating desktop RAM compatibility.
  • DDR4-3200 specification indicates the memory controller supports up to 3200 MHz operation, but actual bandwidth delivery depends on whether the 11th Gen Intel processor implementation enforces lower JEDEC standards during non-overclocked operation.
  • Two SO-DIMM slots mean maximum addressable capacity reaches 64 GB only when both slots accept 32 GB modules; single-slot population leaves 32 GB as the functional ceiling unless both sockets are occupied simultaneously.
  • Upgrading from factory configuration to 64 GB requires both slots to be populated, which may force complete memory replacement rather than additive expansion if pre-installed modules occupy both positions.
  • SO-DIMM physical dimensions (67.6 x 30 mm) are smaller than standard DIMMs, resulting in tighter clearance within the memory compartment; some heatspreader-equipped modules may experience fitment issues depending on chassis cavity height and proximity to internal components.
  • DDR4-3200 modules maintain backward compatibility with lower frequency specifications, but mixing mismatched speeds across 2 slots will cause both modules to operate at the slower speed, creating potential performance degradation if replacing only 1 module with newer stock.
  • Memory upgrades on this model do not typically require BIOS modifications since DDR4-3200 falls within standard JEDEC specifications supported by 11th Gen Intel platforms.