ASUS Vivobook X512FA-BR783T RAM upgrade specifications
The ASUS Vivobook Series 15 X512FA-BR783T contains one SO-DIMM slot for memory upgrades. Compatible RAM specifications include DDR4-SDRAM operating at 2400 MHz frequency. Maximum upgrade capacity reaches 12 GB total memory, combining on-board and SO-DIMM configurations. This laptop supports DDR4 memory modules in the SO-DIMM form factor for RAM expansion capabilities.
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 | 27 January 2020 |
Additional Notes
- The ASUS Vivobook X512FA-BR783T features a hybrid memory architecture with one slot soldered directly to the motherboard and one accessible SO-DIMM slot, limiting future expansion flexibility compared to dual-slot configurations.
- The 12 GB maximum capacity indicates 4 GB of non-removable onboard memory, allowing only one 8 GB SO-DIMM module to reach the system ceiling without replacement options for the soldered component.
- Memory operates in single-channel mode when relying solely on the onboard chip, but adding a matching SO-DIMM module enables dual-channel operation for improved bandwidth in memory-intensive tasks.
- The 2400 MHz frequency represents a JEDEC standard speed for DDR4, but the system may accept higher-rated modules that will downclock to match this native specification.
- SO-DIMM installation requires accessing the bottom panel, where the single available slot determines whether disassembly voids manufacturer warranty coverage based on regional seal placement policies.
- Mixing the soldered 4 GB module with an 8 GB SO-DIMM creates asymmetric capacity, where only the first 8 GB total operates in dual-channel mode while the remaining 4 GB reverts to single-channel bandwidth.
- Physical clearance for the SO-DIMM slot depends on bottom cover design, with low-profile modules occasionally required in ultra-thin chassis implementations despite standard 260-pin dimensions.
- The DDR4-2400 specification corresponds to PC4-19200 memory standard, providing 19.2 GB/s theoretical bandwidth per channel when both memory paths are active.
- Voltage compatibility remains fixed at 1.2V for DDR4 modules, as the integrated memory controller does not support alternative voltage profiles common in desktop platforms.
- Upgrading beyond the 12 GB threshold would require motherboard replacement, as the soldered memory architecture prevents removal of the onboard capacity constraint.