Asus X555UJ - RAM Upgrade Guide

The Asus X555UJ laptop has two memory slots for RAM, but only one of these slots can be upgraded by the user. The maximum memory capacity for this laptop is 12GB, with up to 8GB possible in the user-accessible slot. It uses DDR3 SDRAM as the memory type, which comes in a SODIMM format, a smaller type of memory module designed for laptops. For best performance, the recommended RAM clock speed is 1600MHz, also referred to as PC3-12800.
Asus X555UJ Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X555UJ |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 12GB (up to 8GB in user accessible slot) |
| 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 Asus X555UJ RAM
How much RAM can I add to my X555UJ 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, giving you a maximum of 12GB total.
What type of RAM does this laptop use?
It uses DDR3 SODIMM modules - the smaller laptop-sized memory sticks. Make sure to get DDR3, not DDR4 or DDR5, as they're not compatible.
What speed RAM should I buy?
Get 1600MHz DDR3 (also labeled as PC3-12800). The laptop will work with slower speeds but you won't get the best performance.
Can I upgrade both RAM slots?
No, only one slot is accessible for upgrades. The other slot has 4GB permanently soldered to the motherboard.
Will 16GB or 32GB RAM work in this laptop?
No, the maximum the system supports is 12GB total - that's 4GB soldered plus up to 8GB in the upgrade slot.
Is it worth upgrading from 4GB to 12GB?
Yes, jumping from 4GB to 12GB makes a noticeable difference for multitasking, having multiple browser tabs open, and general system responsiveness.