Asus X409DA - RAM Upgrade Guide

The Asus X409DA laptop has two memory slots for RAM, but only one of these slots can be upgraded by the user. The maximum amount of memory the laptop can support is 12GB, with up to 8GB allowed in the upgradeable slot. It uses DDR4 SDRAM, which is a common type of memory for modern laptops, and the RAM comes in a SODIMM format, designed for compact devices like laptops. For best performance, it is suggested to use RAM with a clock speed of 2666MHz, also referred to as PC4-21300.
Asus X409DA Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X409DA |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 12GB (up to 8GB 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 Asus X409DA RAM
How much RAM can I add to my X409DA laptop?
You can add up to 8GB in the single accessible slot. The laptop has 4GB soldered on the motherboard that can't be changed, so maximum total is 12GB.
What type of RAM do I need for this laptop?
You need DDR4 SODIMM memory - that's the smaller laptop-sized RAM stick. Make sure it's 2666MHz speed for best compatibility.
Can I upgrade both RAM slots?
No, only one slot is accessible for upgrades. The other slot has memory permanently attached to the motherboard.
Will faster RAM work like 3200MHz?
It might work but will automatically slow down to 2666MHz to match what the laptop supports. Better to just buy 2666MHz and save money.
Is it worth upgrading from 4GB to 12GB?
Definitely - going from 4GB to 12GB makes a huge difference for multitasking, having multiple browser tabs open, and general system responsiveness.