ACER Aspire A315-51-54AH RAM upgrade specifications

ACER A315-51-54AH ACER A315-51-54AH ACER A315-51-54AH ACER A315-51-54AH ACER A315-51-54AH

The ACER Aspire 3 A315-51-54AH laptop contains one SO-DIMM memory slot supporting DDR4-SDRAM specifications. Maximum RAM capacity for upgrade reaches 12 GB at 2133 MHz frequency. Compatible memory modules must match SO-DIMM form factor and DDR4 specifications. RAM upgrade specifications indicate single slot configuration limiting expansion options for increased memory capacity on the A315-51-54AH model.

Memory Upgrade Specifications

SpecificationValue
Memory slots1x SO-DIMM
Form factorSO-DIMM
Memory typeDDR4-SDRAM
Frequency2133 MHz
Maximum RAM12 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2133 (PC4-17064)
Bandwidth17.1 GB/s
Laptop Release date10 August 2017

Additional Notes

  • The presence of 4 GB of non-removable memory soldered to the motherboard dictates the asymmetrical capacity limit for the single expansion bay.
  • Installing a high-capacity module in the lone slot forces the system into a flex-mode memory configuration where only a portion of the total RAM operates in dual-channel mode.
  • Memory modules with higher native clock speeds will automatically downclock to match the hardware-locked 2133 MHz frequency of the soldered chips.
  • Physical memory expansion is limited to a single 8 GB module to reach the maximum supported ceiling without encountering system instability or boot failure.
  • The absence of a second SODIMM slot eliminates the possibility of achieving a symmetrical dual-channel interleaving setup for the entire memory pool.
  • The motherboard architecture uses DDR4 operational voltages which prevents the use of older DDR3 or DDR3L hardware despite similarities in physical form factor.
  • System performance in integrated graphics tasks is capped by the bandwidth of the 2133 MHz limitation regardless of the installed module latency.
  • Upgrading the single available slot requires no specialized tools beyond a standard screwdriver as the SODIMM interface uses a tool-free tension clip mechanism.