LENOVO Legion Y740-17ICHg RAM upgrade specifications
The Lenovo Legion Y740-17ICHg laptop features DDR4-SDRAM memory upgrade specifications with 2x SO-DIMM slots supporting maximum capacity of 32 GB RAM. Compatible memory modules operate at 2666 MHz frequency using SO-DIMM form factor. Upgrade configurations allow installation of DDR4 modules in dual slots to enhance system performance and multitasking capabilities on the Y740-17ICHg model.
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 | 29 March 2019 |
Additional Notes
- Dual channel memory architecture requires installing matching pairs of modules to maximize bandwidth for the Lenovo Legion Y740-17ICHg.
- The internal layout necessitates a total replacement of existing modules rather than simple addition to reach the 32 GB maximum capacity.
- High speed memory kits rated above 2666 MHz will automatically downclock to match the system bus limitation imposed by the chipset.
- The SO-DIMM form factor restricts hardware selection to laptop specific modules as desktop sized buffered or registered memory will not fit the physical slots.
- Latency performance depends on the CAS timing of the secondary module because the motherboard defaults to the slowest parity between the two installed sticks.
- Expansion to the upper memory limit provides the necessary thermal and electrical headroom for stable multitasking in high performance environments.
- Accessing the memory slots involves removing the bottom chassis panel which requires specialized tools to avoid damaging the internal plastic clips.