Lenovo IdeaPad S540 (14-inch) AMD - RAM Upgrade Guide
The Lenovo S540 (14-inch) AMD model has two memory slots for RAM, but only one of these slots can be upgraded by the user. The laptop supports a maximum memory capacity of 20GB, with up to 16GB available in the slot that can be accessed and upgraded. It uses DDR4 SDRAM as the type of memory, and the form factor is SODIMM, which is a compact design for laptop memory modules. For optimal performance, the recommended RAM clock speed is 2666MHz, also referred to as PC4-21300.
Lenovo IdeaPad S540 (14-inch) AMD Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo IdeaPad S540 (14-inch) AMD |
| 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 S540 (14-inch) AMD RAM
How many RAM slots does the Lenovo S540 14-inch AMD have?
It has 2 total memory slots, but only 1 is accessible for upgrades. The other slot has soldered memory that can't be changed.
What's the maximum RAM I can have in this laptop?
You can have up to 20GB total - that's 4GB soldered on the motherboard plus up to 16GB in the upgradeable slot.
What type of RAM do I need for the S540?
You need DDR4 SODIMM memory modules. Make sure it's SODIMM (the smaller laptop-sized RAM) not regular desktop DIMM.
What speed RAM should I get?
The recommended speed is 2666MHz, also labeled as PC4-21300. The system might work with faster RAM but it'll run at 2666MHz anyway.
Can I upgrade both RAM slots?
No, only one slot is upgradeable. The other has memory permanently soldered to the motherboard, so you're stuck with whatever came from the factory in that slot.