Asus K42JP - RAM Upgrade Guide

The Asus K42JP laptop has two memory slots available for RAM upgrades. It can support a maximum of 8GB of memory. The type of RAM compatible with this model is DDR3 SDRAM, and it uses a SODIMM form factor, which is a smaller type of memory module designed for laptops. For optimal performance, the recommended clock speed for the RAM is 1066MHz, also referred to as PC3-8500.
Asus K42JP Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus K42JP |
| Total memory slots | 2 |
| Maximum RAM | 8GB |
| Memory type | DDR3 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 1066MHz (PC3-8500) |
| Voltage | 1.35V - 1.5V |
| Number of pins | 204-pin |
FAQ about Asus K42JP RAM
How much RAM can I put in my Asus K42JP laptop?
You can install up to 8GB total. The laptop has 2 memory slots, so that's typically 4GB per slot maximum.
What type of memory does the Asus K42JP use?
It uses DDR3 SODIMM modules - those are the smaller laptop memory sticks, not the full-size desktop ones. Make sure to get SODIMM, not regular DIMM.
What speed RAM should I get for the K42JP?
The recommended speed is 1066MHz, also known as PC3-8500. The laptop might work with faster RAM like 1333MHz, but it'll just run at 1066MHz anyway, so no point spending extra.
Can I mix different RAM sizes in the K42JP?
Yes, you can mix sizes like 2GB + 4GB to get 6GB total. Just try to match the speed (1066MHz) for best compatibility. Mixing brands is usually fine too.
Do I need to upgrade both RAM slots at once?
No, you can upgrade one slot at a time. If you have 2GB now, you could just add another 2GB or 4GB stick in the empty slot. Or replace what you have with bigger modules.