LENOVO IdeaPad 3 15IIL05 RAM upgrade specifications
The Lenovo IdeaPad 3 15IIL05 laptop features DDR4-SDRAM memory specifications for upgrade compatibility. The system contains one SO-DIMM slot available for RAM expansion, with a maximum supported capacity of 12 GB. Memory operates at 2666 MHz frequency. The upgrade configuration includes on-board memory combined with the single SO-DIMM slot, allowing users to enhance system performance through compatible DDR4 modules. These specifications define the memory upgrade parameters for the Lenovo IdeaPad 3 series model 15IIL05.
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 | 12 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2666 (PC4-21328) |
| Bandwidth | 21.3 GB/s |
Additional Notes
- The presence of on board memory indicates that half of the system RAM is soldered directly to the motherboard and cannot be replaced or upgraded.
- The single SO-DIMM slot configuration limits the Lenovo IdeaPad 3 15IIL05 to single channel memory expansion which results in lower memory bandwidth compared to dual slot systems.
- Installing a module with a frequency higher than 2666 MHz will result in the system automatically downclocking the hardware to match the speed of the soldered memory chips.
- Total capacity is restricted by the fixed capacity of the internal chips combined with the 8 GB limit of the expansion slot to maintain system stability within the 12 GB threshold.
- Memory latency and timings will be dictated by the slowest common denominator between the permanent on board module and the added SO-DIMM card.
- Physical hardware maintenance for memory requires removing the entire lower chassis casing as there is no dedicated access hatch for the single expansion slot.
- Dual channel performance benefits only apply to the portion of the SO-DIMM capacity that matches the size of the soldered memory while any excess capacity operates in single channel mode.