MSI Modern 15 A11SB-205XIT RAM upgrade specifications

MSI 15 A11SB-205XIT MSI 15 A11SB-205XIT MSI 15 A11SB-205XIT MSI 15 A11SB-205XIT MSI 15 A11SB-205XIT

MSI Modern 15 A11SB-205XIT laptop features two SO-DIMM memory slots supporting DDR4-SDRAM upgrades at 3200 MHz frequency. Maximum RAM capacity reaches 64 GB total. The upgrade specifications indicate compatibility with standard DDR4 SO-DIMM modules. Users considering memory expansion should reference these technical specifications for compatible RAM installations on the 15 A11SB-205XIT model.

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 date16 January 2021

Additional Notes

  • The MSI Modern 15 A11SB-205XIT utilizes standard 260-pin SO-DIMM modules, which differ physically from desktop DIMM form factors and cannot be interchanged.
  • Dual-channel memory architecture requires matched pairs in both slots to achieve maximum bandwidth of 51.2 GB/s, while single module configurations will operate in reduced-performance single-channel mode.
  • The 64 GB maximum capacity indicates chipset-level limitations that prevent recognition of higher-density modules even if physically compatible.
  • Native 3200 MHz operation depends on JEDEC SPD profiles; modules rated above this frequency through XMP or other overclocking profiles may default to lower speeds without BIOS support.
  • Mixing modules with different speeds forces all installed memory to operate at the lowest common frequency, potentially underutilizing faster components.
  • Access to SO-DIMM slots typically requires bottom panel removal, which may involve breaking security seals that affect warranty coverage depending on regional consumer protection laws.
  • DDR4 SO-DIMM operates at 1.2V standard voltage, while older DDR3L modules use different keying notches that physically prevent incorrect installation despite similar dimensions.
  • CAS latency variations between modules can cause instability even when frequencies match, particularly with mixed-brand configurations.
  • The 3200 MHz specification represents the upper limit of this generation's controller capability; faster DDR4 standards remain incompatible regardless of module availability.
  • Populated slots determine thermal behavior, as occupied memory positions affect airflow patterns within the chassis and may influence sustained performance under load.