Asus X509JB - RAM Upgrade Guide
The Asus X509JB laptop has two memory slots for RAM, though only one of these can be upgraded by the user. The maximum amount of memory the system can support is 8GB, with up to 4GB possible in the user-accessible slot. It uses DDR4 SDRAM as the memory type, which comes in a small form factor known as SODIMM. For optimal performance, the recommended clock speed for the RAM is 2400MHz, which corresponds to the PC4-19200 standard.
Asus X509JB Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Asus X509JB |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 8GB (up to 4GB in user accessible slot) |
| Memory type | DDR4 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 2400MHz (PC4-19200) |
| Voltage | Low - 1.2V |
| Number of pins | 260-pin |
FAQ about Asus X509JB RAM
How many RAM slots does the Asus X509JB have?
It has 2 slots total, but only 1 is accessible for upgrades. The other slot has soldered memory that can't be removed.
What's the maximum RAM I can have in this laptop?
8GB total. Since one slot is fixed and you can only upgrade the accessible slot, you can add up to 4GB in the upgradeable slot.
What type of RAM do I need for the X509JB?
You need DDR4 SODIMM memory - that's the smaller laptop-sized RAM, not the full-size desktop sticks.
What speed RAM should I get?
2400MHz (also labeled as PC4-19200) is the recommended speed for this model.
Can I upgrade to 16GB of RAM?
No, the maximum is 8GB total. With only one upgradeable slot that supports up to 4GB, you can't go higher than 8GB combined.
Will faster RAM like 3200MHz work?
It might physically fit and work, but it'll run at 2400MHz anyway since that's what the system supports. Save money and stick with 2400MHz.