Asus K75DE - RAM Upgrade Guide

The Asus K75DE laptop has two memory slots available for RAM upgrades. It can support up to a maximum of 8GB of memory. The type of memory used is DDR3 SDRAM, and it comes in a small outline dual inline memory module (SODIMM) format, which is common for laptops. For best performance, it is suggested to use RAM with a clock speed of 1600MHz, also referred to as PC3-12800.
Asus K75DE Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus K75DE |
| Total memory slots | 2 |
| Maximum RAM | 8GB |
| 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 K75DE RAM
How much RAM can I put in my Asus K75DE laptop?
Maximum is 8GB total. The laptop has 2 slots, so you can install two 4GB modules. Don't bother trying to install more - the system won't recognize anything above 8GB.
What type of RAM does the K75DE use?
It uses DDR3 SODIMM modules - that's the smaller laptop-sized RAM, not the bigger desktop sticks. Make sure you get DDR3, not DDR4 or DDR5, as they're not compatible.
What speed RAM should I get?
1600MHz (also labeled as PC3-12800) is the recommended speed. You might find 1333MHz or 1866MHz modules, but stick with 1600MHz for best compatibility. The system will downclock faster RAM anyway.
Can I mix different RAM sizes or speeds?
Technically yes, but it's not ideal. If you mix speeds, everything runs at the slower speed. For sizes, like 2GB + 4GB, it'll work but you lose dual-channel performance benefits. Best to use matching pairs.
Do I need to upgrade both slots at once?
No, you can upgrade one at a time. If you already have one 4GB stick, just add another 4GB in the empty slot. But if you have 2x2GB and want 8GB total, you'll need to replace both.