LENOVO IdeaPad ideapad L340-17API RAM upgrade specifications
The Lenovo IdeaPad L340-17API contains DDR4-SDRAM memory with one SO-DIMM slot for RAM upgrade. The laptop features on-board memory combined with one upgradeable SO-DIMM slot, allowing maximum RAM capacity of 16 GB. Compatible memory operates at 2400 MHz frequency. Specifications support upgrade configurations to reach the maximum 16 GB total capacity through the available SO-DIMM slot. The IdeaPad L series model accommodates DDR4 memory modules for system enhancement and performance optimization.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 1x SO-DIMM |
| Form factor | On-board + SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2400 MHz |
| Maximum RAM | 16 GB |
| Voltage | 1.2V |
| Number of pins | 260-pin |
| Interface | PC4 |
| PC Speed Rating | PC4-2400 (PC4-19200) |
| Bandwidth | 19.2 GB/s |
Additional Notes
- The Lenovo IdeaPad L340-17API contains soldered on-board memory paired with a single replaceable SO-DIMM slot, meaning maximum capacity expansion reaches 16 GB total rather than the sum of both components independently.
- DDR4-2400 operates at the lower frequency tier for DDR4 platforms, creating potential bandwidth constraints when paired with Ryzen 3000-series or newer processors that benefit from faster memory speeds; actual performance uplift from DDR4-3200 upgrades would be marginal for this configuration.
- The single SO-DIMM slot eliminates dual-channel memory architecture, forcing single-channel operation regardless of installed capacity; this reduces memory bandwidth by approximately 50 percent compared to dual-slot designs and amplifies the impact of the already-conservative 2400 MHz frequency.
- Upgrading to the 16 GB SO-DIMM maximum requires replacing any existing module in the lone slot; the on-board portion remains fixed and contributes to the 16 GB ceiling, preventing modular capacity scaling beyond that threshold.
- DDR4-2400 SO-DIMMs are increasingly difficult to source as manufacturers transition production to DDR4-3200 and DDR5 variants; replacement modules for this older speed grade may command premium pricing or require secondary markets.
- Installing a higher-capacity SO-DIMM does not void manufacturer warranty provided the module meets DDR4 specifications and the slot receives no physical damage during installation.