ASUS Vivobook X512FB-BR177T RAM upgrade specifications

ASUS X512FB-BR177T ASUS X512FB-BR177T ASUS X512FB-BR177T ASUS X512FB-BR177T ASUS X512FB-BR177T

ASUS Vivobook 15 Series X512FB-BR177T laptop RAM upgrade specifications include DDR4-SDRAM memory compatible with 1x SO-DIMM slot. Maximum memory capacity reaches 12 GB total, combining on-board memory with SO-DIMM upgrade slots. Memory frequency operates at 2400 MHz. Compatible RAM upgrades must utilize SO-DIMM form factor specifications for proper installation and system 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 date16 June 2019

Additional Notes

  • The ASUS Vivobook X512FB-BR177T features soldered memory that cannot be removed or replaced, limiting upgrades to the single accessible slot.
  • The 12 GB maximum capacity indicates 4 GB of permanent onboard memory, restricting the SO-DIMM slot to an 8 GB module regardless of higher capacity availability.
  • Dual-channel operation requires the installed SO-DIMM to match the onboard memory's 2400 MHz specification, as mixing speeds forces both modules to run at the lower frequency.
  • Installing memory faster than 2400 MHz provides no performance benefit, as the system's memory controller caps operation at this speed through automatic downclocking.
  • The fixed onboard component creates an asymmetric memory configuration that may impact dual-channel bandwidth efficiency compared to matched capacity pairs.
  • Physical access to the SO-DIMM slot typically requires bottom panel removal, which may void warranty seals depending on regional service policies.
  • DDR4 SO-DIMM modules operate at 1.2V standard voltage, making higher voltage variants incompatible with the system's power delivery specifications.
  • Memory timing differences between the onboard chip and aftermarket SO-DIMMs force the system to negotiate compatible CAS latency values, potentially affecting response times.
  • The single-slot design eliminates future expansion beyond 12 GB total, making the initial upgrade decision permanent for the system's lifespan.