ASUS Vivobook X512FA-EJ025T RAM upgrade specifications

ASUS X512FA-EJ025T ASUS X512FA-EJ025T ASUS X512FA-EJ025T ASUS X512FA-EJ025T ASUS X512FA-EJ025T

ASUS Vivobook 15 Series X512FA-EJ025T supports DDR4-SDRAM memory upgrade specifications. The laptop contains 1x SO-DIMM slot for RAM expansion, with maximum memory capacity of 12 GB. Memory operates at 2400 MHz frequency. The device features on-board memory combined with a single upgradeable SO-DIMM slot, enabling users to expand storage capacity. Compatible RAM modules must meet DDR4-SDRAM specifications and 2400 MHz frequency requirements for optimal performance and compatibility.

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 date14 March 2019

Additional Notes

  • The presence of on board memory indicates that a portion of the system RAM is permanently soldered to the motherboard and cannot be replaced or removed.
  • System memory expansion relies on a single available expansion slot which limits the device to single channel or asymmetric dual channel configurations depending on the capacity of the installed module.
  • Memory modules with speeds exceeding 2400 MHz will automatically downclock to match the hardware controller limit of the ASUS Vivobook X512FA-EJ025T resulting in increased latency.
  • The 12 GB maximum capacity ceiling necessitates a specific hardware combination typically consisting of 4 GB of internal memory and one 8 GB removable module.
  • Achieving the maximum supported capacity requires access to the internal motherboard assembly which involves removing the base enclosure and potentially voiding secondary seals.
  • Future performance scaling is restricted by the lack of a second physical slot preventing a symmetrical 128 bit memory bus architecture.
  • Intersplicing different memory brands between the soldered chips and the slot may lead to SPD timing mismatches that force the system into basic compatibility modes.