MSI Prestige PS42 8RB-219UK RAM upgrade specifications
The MSI Prestige PS series model PS42 8RB-219UK contains one SO-DIMM memory slot supporting DDR4-SDRAM upgrade capacity. Maximum RAM specifications indicate 16 GB compatibility. The laptop accommodates DDR4 memory modules operating at 2400 MHz frequency. RAM upgrade configurations require SO-DIMM form factor memory compatible with the single available slot. Current memory upgrade options enable expansion to the specified maximum capacity of 16 GB total system RAM.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2400 MHz |
| Maximum RAM | 16 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2400 (PC4-19200) |
| Bandwidth | 19.2 GB/s |
| Laptop Release date | 16 September 2018 |
Additional Notes
- Single memory slot configuration restricts concurrent dual-channel architecture, forcing single-channel operation that reduces memory bandwidth efficiency by approximately 50% compared to dual-channel setups on equivalent processors.
- 16 GB ceiling on a 1-slot configuration necessitates complete module replacement rather than additive upgrades; existing memory cannot be retained during maximum capacity expansion.
- 2400 MHz frequency represents DDR4 entry-tier specification, which may create latency disadvantages when paired with 8th-generation Intel processors capable of supporting faster 2666 MHz or 2933 MHz modules, though JEDEC compliance ensures stability.
- SO-DIMM form factor limitation prevents installation of standard UDIMM modules; replacement modules must specifically match SO-DIMM physical dimensions, reducing vendor options and potentially increasing component cost versus full-size alternatives.
- Single-slot architecture eliminates redundancy; memory failure results in complete system malfunction with no fallback to secondary module, unlike multi-slot configurations that permit degraded operation.
- Upgrade path limited to 16 GB maximum capacity may constrain future software requirements if memory-intensive applications or virtual machine workloads become standard, creating a hard upgrade ceiling for this device.
- Memory slot accessibility likely requires partial disassembly of base components; ultrabook form factors typically demand removal of bottom panel or keyboard assembly, potentially voiding warranty if performed outside manufacturer service protocols.