Mickey: Regarding Blower fans

Hey everyone it's been a while!
Lately I have been wanting to use some blower fans for a recent project involving very limited cooling space 34mm height and I found these:
Sunon PMB1297PYB1-AY 9733

Now generally there seems to be only two types of blower fans Squirrel cage (This one)
And the other model that's used on laptops.

My question is what are the advantages and disadvantages of these two designs and when should we choose one over the other?

(Do they come...

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