ACER Aspire A315-58-31R4 RAM upgrade specifications
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
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 16 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2666 (PC4-21328) |
| Bandwidth | 21.3 GB/s |
| Laptop Release date | 04 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.