MSI Prestige PS42 MODERN 8RA-265MX RAM upgrade specifications
The MSI Prestige PS42 MODERN 8RA-265MX laptop features one SO-DIMM slot for memory upgrades. The system supports DDR4-SDRAM modules operating at 2666 MHz frequency. Maximum compatible RAM capacity is 16 GB. The specifications indicate single-slot configuration limiting upgrade options to replacing the existing module or adding compatible memory if a second slot becomes available. DDR4 SO-DIMM format is standard for portable computing applications in the Prestige series.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 16 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2666 (PC4-21328) |
| Bandwidth | 21.3 GB/s |
| Laptop Release date | 10 June 2019 |
Additional Notes
- The single slot configuration prevents dual channel memory architecture, resulting in a single channel bandwidth limitation for memory intensive application processing.
- Memory capacity expansion requires the replacement of the existing module since no secondary expansion slot exists for additive upgrades.
- The MSI Prestige PS42 Modern 8RA-265MX utilizes a flipped motherboard design that requires the removal of the heat pipe assembly and the entire logic board for memory access.
- Installation of higher frequency modules results in automatic downclocking to the controller limit of 2400 or 2133 MHz depending on the specific CPU generation pairings within this chassis.
- Upgrading beyond the official capacity limit increases the risk of system instability due to the BIOS addressing restrictions on the single SO-DIMM interface.
- Thermal constraints within the thin chassis profile necessitate the use of 1.2V low voltage modules to maintain power efficiency and reduce localized heat build up.