Asus X751LX - RAM Upgrade Guide
The Asus X751LX laptop has two memory slots for RAM, but only one of these can be upgraded by the user. The maximum amount of memory the laptop can support is 12GB, with up to 8GB possible in the slot that can be accessed for upgrades. It uses DDR3 SDRAM, which comes in a small form factor known as SODIMM. For best performance, the recommended clock speed for the RAM is 1600MHz, also referred to as PC3-12800.
Asus X751LX Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X751LX |
| 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 X751LX RAM
How much RAM can I add to my Asus X751LX 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 with an 8GB stick installed, you'll have 12GB total.
What type of memory does the X751LX use?
It uses DDR3 SODIMM modules running at 1600MHz. Make sure to get laptop memory (SODIMM), not desktop RAM.
Can I upgrade both RAM slots on this laptop?
No, only one slot is accessible for upgrades. The other slot has 4GB permanently soldered to the motherboard.
What happens if I install faster RAM like 1866MHz or 2133MHz?
It'll work but will automatically downclock to 1600MHz to match the system's speed. You won't see any performance benefit from faster modules.
Is it worth upgrading from 4GB to 12GB?
Definitely. Going from 4GB to 12GB makes a huge difference for multitasking, browser tabs, and general responsiveness. It's one of the best upgrades you can do for this model.
Can I just add a 4GB stick instead of 8GB?
Yes, you can install a 4GB module for 8GB total. It's cheaper but 12GB gives you more headroom for the future.