What do you girls think of soft-spoken guys?

Basically, a guy who tends to think about what he wants to say before saying it. As a result, he'll seem quiet sometimes in group settings, and when he does speak, its calm, and chill. He is capable of holding a conversation though, he just likes to think and internalize everything before speaking up. Thoughts on this kind of guy?

What about guys that are the opposite? So, in that group setting, they would be loud, and talking the majority of the time, crack a few jokes here and there.
What do you girls think of soft-spoken guys?
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