MSI Prestige PS42 8RA-025F Modern RAM upgrade specifications

MSI PS42 8RA-025F Modern MSI PS42 8RA-025F Modern MSI PS42 8RA-025F Modern MSI PS42 8RA-025F Modern MSI PS42 8RA-025F Modern

The MSI Prestige PS42 8RA-025F Modern laptop features DDR4-SDRAM memory upgrade specifications. The system contains one SO-DIMM slot for RAM expansion, supporting a maximum capacity of 16 GB. Compatible memory modules operate at 2666 MHz frequency with SO-DIMM form factor. Users can upgrade the existing memory by replacing or populating the single available slot to reach the maximum supported RAM capacity for enhanced system performance.

Memory Upgrade Specifications

SpecificationValue
Memory slots1x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM16 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date28 August 2019

Additional Notes

  • The MSI Prestige PS42 8RA-025F Modern contains a single memory slot, which means RAM expansion requires removing the existing module rather than adding a second module alongside it. This configuration eliminates the common upgrade benefit of retaining the original module for dual-channel memory performance gains.
  • The 2666 MHz frequency specification indicates compatibility limitations with newer DDR4 modules rated at 3000 MHz or higher. Installing faster memory will not provide speed benefits; the system will downclock the module to match the native 2666 MHz specification.
  • Maximum capacity is constrained to 16 GB on this platform, which differs from comparable mobile workstations that support 32 GB. This ceiling affects long-term viability for memory-intensive applications such as large dataset processing or virtual machine hosting.
  • The SO-DIMM form factor is standard for ultraportable laptops but creates a dependency on mobile-specific memory modules. Desktop DDR4 DIMMs cannot physically fit, and sourcing warranty-safe replacements requires verification of SO-DIMM specifications beyond frequency alone.
  • Single-slot architecture eliminates dual-channel memory architecture benefits. Performance in memory-bandwidth-dependent tasks will operate in single-channel mode regardless of whether the module is upgraded to the maximum 16 GB capacity.