Lenovo IdeaPad S340-15IWL - RAM Upgrade Guide
The Lenovo S340-15IWL laptop has two memory slots for RAM, but only one of them can be upgraded by the user. The maximum amount of memory the laptop can support is 20GB, with up to 16GB installable in the accessible slot. It uses DDR4 SDRAM as the memory type, which comes in a small outline dual inline memory module (SODIMM) format. For best performance, the recommended RAM speed is 2666MHz, also referred to as PC4-21300.
Lenovo IdeaPad S340-15IWL Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo IdeaPad S340-15IWL |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 20GB (up to 16GB in user accessible slot) |
| 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 S340-15IWL RAM
How many RAM slots does this laptop have?
It has 2 total slots, but here's the catch - only 1 is actually accessible for upgrades. The other one has memory soldered directly to the motherboard.
What's the maximum RAM I can have?
You can get up to 20GB total. That's because one slot has fixed memory (usually 4GB) and you can add up to 16GB in the upgradeable slot.
What type of RAM do I need to buy?
You need DDR4 SODIMM modules - those are the smaller laptop memory sticks. Make sure it's DDR4, not DDR3 or DDR5.
What speed RAM should I get?
2666MHz is the recommended speed, also labeled as PC4-21300. The system might work with faster RAM but it'll just run at 2666MHz anyway.
Can I upgrade both RAM slots?
No, only one slot is upgradeable. The other has memory permanently attached to the motherboard, so you're stuck with whatever came from the factory in that slot.
Will any DDR4 laptop RAM work?
As long as it's DDR4 SODIMM (the laptop size), it should work. Just don't exceed 16GB in the upgradeable slot and stick to 2666MHz or higher speed ratings.