Asus VivoBook X456UQK - RAM Upgrade Guide

The Asus VivoBook X456UQK has two memory slots for RAM, but only one of these can be upgraded by the user. The laptop supports a maximum of 12GB of memory, with the user-accessible slot allowing up to 8GB. It uses DDR4 SDRAM, which comes in a compact SODIMM format designed for laptops. For optimal performance, the recommended RAM speed is 2400MHz, often labeled as PC4-19200.
Asus VivoBook X456UQK Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus VivoBook X456UQK |
| 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 | 2400MHz (PC4-19200) |
| Voltage | Low - 1.2V |
| Number of pins | 260-pin |
FAQ about Asus VivoBook X456UQK RAM
How much RAM can I add to my VivoBook X456UQK?
You can add up to 8GB in the single accessible slot. The laptop maxes out at 12GB total - that's because one slot has 4GB soldered on that can't be changed, plus your 8GB upgrade.
What type of RAM do I need for this laptop?
You need DDR4 SODIMM memory running at 2400MHz. Make sure it's SODIMM (the smaller laptop memory) not regular desktop RAM.
Can I upgrade both RAM slots?
No, only one slot is upgradeable. The other has memory soldered directly to the motherboard. This is pretty common in thin laptops to save space.
Is it worth upgrading from 4GB to 12GB?
Definitely. Going from 4GB to 12GB makes a huge difference for multitasking, having lots of browser tabs open, and general system responsiveness. It's usually one of the best bang-for-buck upgrades.
What happens if I install faster RAM like 2666MHz or 3200MHz?
It'll work fine but will automatically slow down to match the 2400MHz speed your system supports. You won't damage anything, but you won't get any benefit from the faster speed either.