Lenovo IdeaPad S740-15IRH - RAM Upgrade Guide

The Lenovo S740-15IRH laptop has two memory slots available for RAM upgrades, allowing for a maximum capacity of 32GB. It uses DDR4 SDRAM as its memory type, which comes in the SODIMM form factor, a smaller design typically used in laptops. For optimal performance, it is suggested to use RAM with a clock speed of 2666MHz, also referred to as PC4-21300.
Lenovo IdeaPad S740-15IRH Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo IdeaPad S740-15IRH |
| Total memory slots | 2 |
| Maximum RAM | 32GB |
| Memory type | DDR4 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 2666MHz (PC4-21300) |
| Voltage | Low - 1.2V |
| Number of pins | 260-pin |
FAQ about Lenovo IdeaPad S740-15IRH RAM
How many RAM slots does the Lenovo S740-15IRH have?
It has 2 memory slots total for RAM upgrades
What's the maximum RAM I can install in the S740-15IRH?
You can go up to 32GB total - that's 16GB per slot if you max it out
What type of RAM does the S740-15IRH use?
It uses DDR4 SODIMM modules - the smaller laptop-sized memory sticks, not the full-size desktop ones
What speed RAM should I get for the S740-15IRH?
Get 2666MHz DDR4 (also labeled as PC4-21300). The system might accept faster RAM but it'll just run at 2666MHz anyway
Can I mix different RAM sizes in the S740-15IRH?
Yeah you can mix sizes like 8GB + 16GB, but for best performance try to match both slots with identical modules
Do I need to remove existing RAM when upgrading the S740-15IRH?
Depends what's already in there - if both slots are filled, you'll need to remove at least one stick to add more. If there's an empty slot, just add to it