ACER Extensa EX215-54-366L RAM upgrade specifications
The Acer Extensa 15 Series EX215-54-366L laptop features DDR4-SDRAM memory upgrade specifications with one SO-DIMM slot available for expansion. The system contains on-board memory combined with a single SO-DIMM slot, supporting a maximum RAM capacity of 12 GB. Compatible memory modules operate at 2133 MHz frequency. Upgrade specifications indicate the available slot accepts DDR4-SDRAM modules to achieve maximum memory capacity. The memory configuration allows for RAM expansion beyond the existing on-board allocation through the dedicated SO-DIMM slot.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + 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 April 2021 |
Additional Notes
- The ACER Extensa EX215-54-366L features soldered RAM that cannot be removed or replaced, limiting expansion to a single available slot.
- The 12 GB maximum capacity indicates 4 GB permanently installed on-board, restricting the SO-DIMM slot to an 8 GB module regardless of higher-density availability.
- Mixing on-board and modular memory forces single-channel operation even when a SO-DIMM is installed, preventing dual-channel bandwidth benefits.
- The 2133 MHz frequency represents DDR4-2133 standard, yielding 17.06 GB/s theoretical bandwidth per channel under ideal conditions.
- Installing faster-rated modules such as DDR4-2400 or DDR4-2666 will downclock to 2133 MHz to match the on-board memory specification.
- The single SO-DIMM configuration requires matching voltage standards, typically 1.2V for DDR4, to maintain stability with the soldered component.
- Chassis access for RAM installation typically requires complete bottom panel removal rather than dedicated service door access.
- The on-board plus SO-DIMM architecture prevents symmetric memory configuration, impacting workloads that benefit from matched capacity channels.
- CAS latency differences between the on-board memory and aftermarket modules may introduce timing conflicts if specifications diverge significantly.
- Warranty preservation requires non-destructive installation, as the single-slot design prevents damage to surrounding components during module insertion.
- The 12 GB ceiling excludes this platform from 16 GB configurations common in competitive business-class systems.
- Memory-intensive applications requiring sustained bandwidth above 17 GB/s will encounter throughput limitations inherent to DDR4-2133 operation.