ACER Aspire A315-51-54AH RAM upgrade specifications
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
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2133 MHz |
| Maximum RAM | 12 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2133 (PC4-17064) |
| Bandwidth | 17.1 GB/s |
| Laptop Release date | 10 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.