ASUS Vivobook X512UA-EJ243T RAM upgrade specifications
ASUS Vivobook 15 Series X512UA-EJ243T RAM upgrade specifications include DDR4-SDRAM memory compatible with 1x SO-DIMM slot. Maximum RAM capacity reaches 16 GB, with memory operating at 2400 MHz frequency. The laptop features on-board memory combined with one upgradeable SO-DIMM slot, enabling users to expand total memory capacity through compatible DDR4 modules. Upgrade options allow for enhanced multitasking and system performance within the specified maximum memory constraints.
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 | 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 | 27 November 2018 |
Additional Notes
- The ASUS Vivobook X512UA-EJ243T contains soldered on-board memory paired with a single upgrade slot, meaning maximum expansion capacity depends on factory configuration; devices shipped with 4 GB on-board will reach 20 GB total, while 8 GB on-board models will cap at 24 GB, exceeding the published 16 GB specification through dual-channel optimization.
- DDR4-2400 MHz memory operates at baseline speed with limited headroom for faster aftermarket modules; DDR4-2666 or DDR4-3200 SO-DIMMs will downclock to 2400 MHz due to BIOS constraints, eliminating performance gains while increasing acquisition cost.
- Single SO-DIMM slot creates asymmetric memory configuration when populated, forcing the system into single-channel mode for the new module while the soldered portion operates independently; this topology reduces effective bandwidth by approximately 30 percent compared to matched dual-channel setups.
- SO-DIMM replacement requires full removal of the existing module to access the slot; no hot-swap capability exists, necessitating system shutdown and potential internal panel disassembly.
- Warranty coverage for user-installed RAM typically remains valid under ASUS terms, but physical installation should follow manufacturer guidance to avoid accidental damage to adjacent soldered components in the cramped notebook form factor.
- Memory compatibility matrix limits viable upgrades to DDR4 SO-DIMM modules rated 2400 MHz or higher; legacy DDR3 or proprietary form factors will not interface with this slot architecture.