Asus X409FA - RAM Upgrade Guide
The Asus X409FA laptop comes with two memory slots for RAM, though only one of them can be upgraded. The maximum amount of memory it can support is 12GB. It uses DDR4 SDRAM as the memory type, which comes in a smaller form factor known as SODIMM. For best performance, the recommended RAM speed is 2400MHz, often referred to as PC4-19200.
Asus X409FA Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X409FA |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 12GB |
| 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 Asus X409FA RAM
How many RAM slots does the X409FA have?
It has 2 slots total, but only 1 is upgradeable. The other slot has soldered memory that can't be removed.
What's the maximum RAM I can have in this laptop?
12GB total - that's combining the fixed memory in the soldered slot with whatever you add to the upgradeable slot.
What type of RAM do I need to buy?
You need DDR4 SODIMM modules. Make sure it's SODIMM (the smaller laptop memory) not regular DIMM which is for desktops.
What speed RAM should I get?
2400MHz (also labeled as PC4-19200) is the recommended speed. You can install faster RAM but it'll just run at 2400MHz anyway.
Can I upgrade both RAM slots?
No, only one slot is accessible for upgrades. The other has memory permanently attached to the motherboard.
If I have 4GB soldered, what's the biggest stick I can add?
You can add up to an 8GB stick to reach the 12GB maximum. The system comes with either 4GB or 8GB soldered, so check your current config first.