Before buying anything, you must know what your laptop can handle.
Laptops use SO-DIMM (small outline) modules, which are shorter than desktop DIMMs.
You can buy "Dell-certified" memory or compatible third-party options. Laptop Memory Upgrades - Dell buy ram for dell laptop
Right-click the Taskbar and select Task Manager . Under the Performance tab, click Memory to see how many slots are used and the speed (e.g., 3200 MHz). 2. What to Buy: Key Specifications
Ensure the voltage matches (commonly 1.2V for DDR4). 3. Where to Purchase Before buying anything, you must know what your
Go to the Dell Support site , enter your Service Tag, and click View Product Specs to see the original configuration and maximum supported RAM (e.g., 16GB, 32GB).
Look for a sticker on the bottom of your laptop or type "SupportAssist" in your Windows search bar. Laptop Memory Upgrades - Dell Right-click the Taskbar
It is best to match the speed of your existing RAM. If you mix speeds, the system will default to the slowest stick's speed.