What does the ExpressCard34 slot do?

How to use an express card slot in my laptop with an external GPU expresscard_34 slot Hi, I have a Paviolion Notebook modle 15au070na and wondered if it has an express card slot so that I can use an express card to firewire aplikasi joker slot The wide slot features a novel guidance mechanism that steers ExpressCard34 modules into the connector socket The ExpressCard Standard also allows extended

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