Asus X751SJ - RAM Upgrade Guide
The Asus X751SJ 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 8GB, with up to 4GB allowed in the user-accessible slot. The type of memory used is DDR3 SDRAM, and it comes in a SODIMM form factor, which is a compact design commonly used in laptops. For best performance, the recommended RAM clock speed is 1600MHz, also referred to as PC3-12800.
Asus X751SJ Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X751SJ |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 8GB (up to 4GB 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 X751SJ RAM
How much RAM can I add to my Asus X751SJ laptop?
You can add up to 4GB in the user-accessible slot. The laptop has 2 total slots but only 1 is upgradeable - the other is soldered to the motherboard. Maximum total memory is 8GB.
What type of RAM do I need for the X751SJ?
You need DDR3 SODIMM memory modules. Make sure to get the laptop version (SODIMM) not desktop RAM. The recommended speed is 1600MHz, also labeled as PC3-12800.
Can I upgrade both RAM slots in this laptop?
No, only one slot is accessible for upgrades. The other slot has memory permanently attached to the motherboard and can't be changed.
What happens if I install faster RAM than 1600MHz?
The laptop will work fine but the RAM will run at 1600MHz anyway. No point paying extra for faster speeds - stick with 1600MHz DDR3.
Is it worth upgrading from 4GB to 8GB total?
Yes, especially if you multitask or use memory-hungry programs. Going from 4GB to 8GB makes a noticeable difference in everyday use - less lag when switching between programs and smoother overall performance.