ASUS Vivobook S412FA-EK489T RAM upgrade specifications

The ASUS Vivobook S14 S412FA-EK489T contains DDR4-SDRAM memory with one accessible SO-DIMM slot for upgrade capacity. The laptop features on-board memory combined with a single SO-DIMM slot configuration. Maximum compatible RAM capacity reaches 12 GB total. Memory specifications support DDR4-SDRAM operating at 2400 MHz frequency. Upgrade options allow expansion through the available SO-DIMM slot to reach the maximum memory specifications supported by the S412FA-EK489T model.

Additional Notes

• The ASUS Vivobook S412FA-EK489T contains soldered on-board memory that cannot be removed, meaning only the single SO-DIMM slot remains available for expansion.
• Maximum addressable memory of 12 GB indicates the on-board allocation is fixed at either 4 GB or 8 GB, leaving the SO-DIMM slot to accommodate the remainder up to the 12 GB ceiling.
• DDR4-2400 MHz specification means replacement or additional SO-DIMM modules must match this frequency; installing faster DDR4 variants will downclock to 2400 MHz, while slower modules risk incompatibility or unstable operation.
• Single SO-DIMM configuration eliminates dual-channel memory architecture benefits, resulting in reduced memory bandwidth compared to systems with 2 populated slots operating in parallel.
• The soldered memory design, while common in ultraportable devices, prevents warranty-safe removal of defective on-board RAM; any memory malfunction affecting the soldered portion requires full motherboard replacement.
• SO-DIMM form factor requires low-profile modules (typically 30 mm height); standard UDIMM desktop memory cannot be physically installed regardless of electrical compatibility.
• Upgrade path is non-expandable beyond 12 GB total capacity; the single available slot cannot be populated with higher-capacity modules to exceed this threshold due to firmware limitations.