ASUS Vivobook S512FA-XB51 RAM upgrade specifications
The ASUS Vivobook S15 S512FA-XB51 features DDR4-SDRAM memory configuration with one SO-DIMM slot available for upgrade. The laptop contains onboard memory combined with one replaceable SO-DIMM slot, supporting maximum RAM capacity of 12 GB. Memory specifications include DDR4 technology operating at 2400 MHz frequency. Compatible upgrades utilize SO-DIMM form factor modules. The maximum memory specification and single upgrade slot define the RAM expansion capabilities for the S512FA-XB51 model.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2400 MHz |
| Maximum RAM | 12 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 | 17 November 2019 |
Additional Notes
- The ASUS Vivobook S512FA-XB51 contains soldered on-board memory paired with a single upgradeable SO-DIMM slot, meaning the base RAM capacity cannot be removed or replaced, only supplemented.
- Maximum expandable capacity reaches 12 GB total, indicating the on-board portion occupies 8 GB with the SO-DIMM slot accepting only 4 GB modules due to controller or firmware limitations.
- DDR4-2400 MHz specification predates current DDR4 standard frequencies (3200 MHz and higher), creating compatibility risk when sourcing replacement or upgrade modules, as newer DDR4 stock may operate at incompatible speeds.
- Single SO-DIMM slot configuration offers no redundancy; removal of the upgradeable module leaves only on-board memory operational, but replacement modules must match the 2400 MHz specification to avoid performance degradation or boot failure.
- SO-DIMM form factor confinement to 1 slot eliminates any future parallel upgrade pathway; the 12 GB ceiling represents the absolute maximum capacity for the system lifetime.
- DDR4-2400 speed constraint will create a bandwidth bottleneck if paired with newer processors, as modern CPUs support memory controllers operating at 3200 MHz or higher, forcing the system to downclock to 2400 MHz and reducing multi-threaded workload efficiency.
- Warranty preservation typically permits SO-DIMM replacement without manufacturer penalty, but on-board memory soldering means any RAM-related hardware failure affecting the base 8 GB requires depot-level board repair outside standard user upgrade scope.