ACER Aspire A315-58-31R4 RAM upgrade specifications

ACER A315-58-31R4 ACER A315-58-31R4 ACER A315-58-31R4 ACER A315-58-31R4 ACER A315-58-31R4

The ACER Aspire 3 A315-58-31R4 features DDR4-SDRAM memory with one SO-DIMM slot available for upgrade. The laptop contains on-board memory combined with a removable SO-DIMM module. Maximum RAM capacity reaches 16 GB. The memory operates at 2666 MHz frequency. Compatible upgrades must match DDR4-SDRAM specifications. The single SO-DIMM slot allows users to expand memory beyond the on-board configuration. Specifications support memory configurations up to the maximum 16 GB capacity for the A315-58-31R4 model.

Memory Upgrade Specifications

SpecificationValue
Memory slots1x SO-DIMM
Form factorOn-board + SO-DIMM
Memory typeDDR4-SDRAM
Frequency2666 MHz
Maximum RAM16 GB
Voltage1.2V
Number of pins260-pin
InterfacePC4
PC Speed RatingPC4-2666 (PC4-21328)
Bandwidth21.3 GB/s
Laptop Release date04 March 2021

Additional Notes

  • The single SO-DIMM slot architecture means the Acer Aspire A315-58-31R4 supports only one physical RAM upgrade, with the remaining capacity soldered permanently to the motherboard.
  • The on-board memory configuration prevents removal or replacement of the pre-installed RAM module, limiting flexibility in future system modifications.
  • Exceeding the 16 GB threshold will cause POST failure, regardless of module specifications, due to chipset addressing limitations in this system's architecture.
  • The 2666 MHz frequency ceiling causes any higher-rated module to downclock automatically, making DDR4-3200 or faster memory purchases functionally identical to DDR4-2666 in this configuration.
  • Dual-channel operation requires the soldered memory capacity to match the installed SO-DIMM capacity exactly, otherwise the system defaults to single-channel mode with significant bandwidth reduction.
  • Non-matching speeds between soldered and socketed modules force both to operate at the slower frequency, creating potential performance degradation if mismatched.
  • The SO-DIMM specification excludes standard DIMM modules, which are physically incompatible with the notebook's memory slot dimensions and pin configuration.
  • Accessing the memory slot typically requires bottom panel removal, which may void warranty seals depending on regional service policies and seal placement.
  • Voltage compatibility requires DDR4 modules rated at 1.2V, as higher voltage DDR4 variants designed for overclocking will either fail to initialize or operate unstably.
  • Mixed-brand configurations between soldered and user-installed modules can introduce timing incompatibilities, though JEDEC-compliant modules should maintain stability at standard frequencies.