MSI Prestige 15 A10SC-033NL RAM upgrade specifications
MSI Prestige 15 A10SC-033NL laptop supports DDR4-SDRAM memory upgrades with two SO-DIMM slots. Maximum RAM capacity reaches 64 GB total, operating at 2666 MHz frequency. Compatible upgrades utilize SO-DIMM form factor modules. Specifications indicate dual-slot memory configuration enabling incremental capacity expansion. Existing memory modules remain compatible with upgrade modules meeting DDR4-SDRAM standards and specified frequency parameters.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 64 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 | 22 October 2019 |
Additional Notes
- The MSI Prestige 15 A10SC-033NL supports dual-channel memory architecture through its 2 SO-DIMM slots, enabling bandwidth doubling when populated with matched capacity modules.
- DDR4-2666 operates at PC4-21300 standard, delivering 21.3 GB/s theoretical bandwidth per channel or 42.6 GB/s in dual-channel configuration.
- Installing a single module forces single-channel mode, reducing memory bandwidth by approximately 50% and potentially impacting integrated graphics performance and memory-intensive applications.
- The 64 GB maximum capacity requires 2x32 GB modules, which must be dual-rank SO-DIMM configurations as single-rank 32 GB modules remain uncommon in DDR4-2666 specification.
- SO-DIMM modules at 2666 MHz frequency operate at 1.2V standard voltage, eliminating compatibility concerns with low-voltage or overclocked variants.
- Higher frequency DDR4 modules rated at 3200 MHz or above will downclock to 2666 MHz when installed, as the memory controller enforces the native supported speed.
- Module height typically does not present clearance issues in SO-DIMM implementations, though modules exceeding 30mm may interfere with bottom panel closure or thermal solutions.
- Mixing modules with different CAS latencies will force all installed memory to operate at the highest latency value among the modules, potentially degrading performance.
- Accessing memory slots typically requires complete bottom panel removal rather than dedicated service doors, necessitating disconnection of battery terminals to maintain warranty compliance.
- Non-matching module capacities between slots maintains dual-channel operation only up to the capacity of the smaller module, with remaining capacity reverting to slower single-channel mode.
- ECC SO-DIMM modules are incompatible with consumer-grade memory controllers, despite physical compatibility with the 260-pin SO-DIMM socket specification.