我可以在笔记本电脑上添加第二个4GB DDR3 RAM吗?

I have 4GB DDR3L RAM on my laptop according to my laptop's information provided by the brand's website. But when I checked using command on Ubuntu 20.04 it shows this is ddr3 ram. Now my question is that can I add a second 4GB DDR3 RAM on my laptop or I have to add a ddr3l ram on my laptop?enter image description here

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