ASUS Vivobook X512FA-EJ1488T RAM upgrade specifications

ASUS X512FA-EJ1488T ASUS X512FA-EJ1488T ASUS X512FA-EJ1488T ASUS X512FA-EJ1488T ASUS X512FA-EJ1488T

The ASUS Vivobook 15 X512FA-EJ1488T laptop features DDR4-SDRAM memory with a maximum upgrade capacity of 12 GB. The upgrade specifications include 1x SO-DIMM slot for memory expansion. The memory operates at 2400 MHz frequency. Compatible RAM upgrades must adhere to DDR4-SDRAM specifications and SO-DIMM form factor standards. The device combines on-board memory with SO-DIMM slot configuration, allowing users to expand the existing memory capacity by installing compatible DDR4 modules in the available slot.

Memory Upgrade Specifications

SpecificationValue
Memory slots1x SO-DIMM
Form factorOn-board + SO-DIMM
Memory typeDDR4-SDRAM
Frequency2400 MHz
Maximum RAM12 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2400 (PC4-19200)
Bandwidth19.2 GB/s
Laptop Release date17 October 2019

Additional Notes

  • The ASUS Vivobook X512FA-EJ1488T contains soldered memory on the motherboard, meaning only 1 SO-DIMM slot is available for user upgrade, limiting total expansion to 12 GB rather than allowing full modular replacement.
  • DDR4-2400 MHz represents a lower-speed standard that may create latency bottlenecks when paired with newer 8th or 9th generation Intel processors, which officially support DDR4-2666 and DDR4-2933 frequencies respectively.
  • A single SO-DIMM configuration restricts dual-channel memory architecture benefits; upgrading to the maximum 12 GB still operates in a memory bandwidth-constrained state compared to systems with 2 slots populated symmetrically.
  • Replacement SO-DIMM modules must match DDR4-2400 specification or run at reduced frequency; modules rated for DDR4-3200 or higher will throttle to 2400 MHz, making premium memory unnecessary and economically inefficient for this platform.
  • The soldered memory portion cannot be extracted or upgraded independently, creating a permanent performance ceiling that cannot be overcome through component replacement alone.
  • SO-DIMM upgrades remain warranty-safe when performed by the end user on most ASUS systems, as memory installation does not void coverage for non-memory components, though documentation should be verified before disassembly.