Lenovo ThinkPad T430s - RAM Upgrade Guide

The Lenovo T430s laptop has two memory slots available for RAM upgrades. It supports a maximum memory capacity of 16GB. The type of RAM compatible with this model is DDR3 SDRAM, and it uses aSODIMM form factor, which is a compact design typically used in laptops. For optimal performance, the recommended RAM clock speed is 1600MHz, also referred to as PC3-12800.
Lenovo ThinkPad T430s Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo ThinkPad T430s |
| Total memory slots | 2 |
| Maximum RAM | 16GB |
| Memory type | DDR3 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 1600MHz (PC3-12800) |
| Voltage | Low - 1.35V (DDR3L / PC3L) |
| Number of pins | 204-pin |
FAQ about Lenovo ThinkPad T430s RAM
How much RAM can I put in a T430s?
Maximum is 16GB total - that's 8GB per slot with both slots filled. The laptop has 2 memory slots.
What type of memory does the T430s use?
DDR3 SODIMM modules - the smaller laptop-sized sticks, not the full-size desktop ones. Make sure you get SODIMMs specifically.
What speed RAM should I get for the T430s?
1600MHz (also labeled as PC3-12800) is the recommended speed. The system might accept faster RAM but it'll just run at 1600MHz anyway.
Can I mix different RAM sizes in the T430s?
Yes, you can mix sizes like 4GB + 8GB, but for best performance try to match the sizes. Matching speeds and timings is more important than matching capacities though.
Do I need to remove the battery before upgrading RAM?
Yes, always remove the battery first and unplug the power. Hold the power button for a few seconds after to discharge any remaining power before opening it up.
Where are the RAM slots located on the T430s?
Under a panel on the bottom of the laptop. You'll need to remove a couple screws to access them. One slot might have RAM already installed from factory.