Asus K401LB - RAM Upgrade Guide
The Asus K401LB 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 12GB, with up to 8GB possible in the user-accessible slot. It uses DDR3 SDRAM as the memory type, and the RAM comes in a small outline dual inline memory module (SODIMM) format. For best performance, the recommended clock speed for the RAM is 1600MHz, which corresponds to a PC3-12800 specification.
Asus K401LB Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus K401LB |
| 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 K401LB RAM
How much RAM can I add to the Asus K401LB?
You can add up to 8GB in the single user-accessible slot. The laptop has 4GB soldered on the motherboard that can't be changed, so maximum total is 12GB.
What type of RAM does the K401LB use?
It uses DDR3 SODIMM modules - the smaller laptop-sized RAM sticks. Make sure to get DDR3, not DDR4 or DDR5.
What speed RAM should I buy?
Get 1600MHz DDR3 (also labeled as PC3-12800). The laptop will work with slower speeds but you won't get the best performance.
Can I upgrade both RAM slots?
No, only one slot is accessible. The other slot has 4GB permanently soldered to the motherboard.
Is it worth upgrading from 4GB to 12GB?
Definitely. Going from 4GB to 12GB makes a huge difference for multitasking, having multiple browser tabs open, and general system responsiveness.
Will any DDR3 SODIMM work?
Most standard DDR3 SODIMM modules will work fine. Just stick to reputable memory manufacturers and match the 1600MHz speed for best results.