LENOVO Legion Y740-17IRH RAM upgrade specifications
Lenovo Legion Y740-17IRH laptop features two SO-DIMM memory slots supporting DDR4-SDRAM modules at 2666 MHz frequency. Maximum RAM capacity reaches 32 GB. RAM upgrade specifications indicate compatibility with SO-DIMM form factor memory modules. Compatible memory configurations include single or dual-channel installations utilizing available slots. Specifications support memory expansion for enhanced multitasking performance and application handling capabilities.
Memory Upgrade Specifications
| Specification | Value |
|---|---|
| Memory slots | 2x SO-DIMM |
| Form factor | SO-DIMM |
| Memory type | DDR4-SDRAM |
| Frequency | 2666 MHz |
| Maximum RAM | 32 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 | 01 April 2019 |
Additional Notes
- Dual channel architecture requires matching memory modules in both slots to optimize bandwidth for the LENOVO Legion Y740-17IRH processor.
- The maximum capacity limit indicates a bios level restriction that prevents the utilization of 32 GB density sticks in a single slot.
- Installing memory with frequencies exceeding 2666 MHz results in automatic downclocking to match the system bus speed limit.
- Internal access for memory replacement requires the removal of the bottom chassis cover which exposes delicate ribbon cables and the thermal cooling assembly.
- Performance gains in multi-tasking and rendering applications are capped by the total 32 GB ceiling even if 64 GB modules physically fit the slots.
- Standard voltage DDR4 modules are necessary because the motherboard lacks support for low voltage DDR3 or LRDIMM variants.
- Physical clearance within the tight laptop enclosure prohibits the use of memory modules equipped with tall integrated heat spreaders.