Lenovo IdeaPad S540-14API - RAM Upgrade Guide
The Lenovo S540-14API laptop has two memory slots for RAM, but only one of these can be upgraded by the user. The maximum amount of memory the device can support is 20GB, with up to 16GB possible in the slot that can be accessed for upgrades. The type of memory used is DDR4 SDRAM, and it comes in a small outline dual inline memory module (SODIMM) format. For optimal performance, the recommended clock speed for the RAM is 2400MHz, which corresponds to a PC4-19200 specification.
Lenovo IdeaPad S540-14API Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo IdeaPad S540-14API |
| 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 | 2400MHz (PC4-19200) |
| Voltage | Low - 1.2V |
| Number of pins | 260-pin |
FAQ about Lenovo IdeaPad S540-14API RAM
How many RAM slots does the Lenovo S540-14API have?
It has 2 RAM slots total, but only 1 is accessible for upgrades. The other slot has soldered memory that can't be removed.
What's the maximum RAM I can install in this laptop?
You can have up to 20GB total - that's 4GB soldered plus 16GB in the upgradeable slot. The accessible slot maxes out at 16GB.
What type of RAM do I need for the S540-14API?
You need DDR4 SODIMM modules. Make sure it's SODIMM (the smaller laptop memory) not regular desktop RAM.
What speed RAM should I get?
2400MHz DDR4 is recommended. It's also listed as PC4-19200 if you see that designation instead.
Can I replace all the RAM in this laptop?
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.
Will faster RAM like 3200MHz work?
It might physically fit and work, but it'll likely run at 2400MHz anyway since that's what the system is designed for. Save your money and stick with 2400MHz.