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https://preview.redd.it/kdh4cnji0doc1.jpg?width=3024&format=pjpg&auto=webp&s=8b76ee5929fa6c7012a123fc953a3b3af3bbc390

1st time building a mini pc. The one I got says it only supports x1 M.2 nvme ssd and x1 2.5" SSD/HDD, but there's extra ports so I'm confused what they are and what they're for.

1: Guessing this is for the (sodimm) RAM

2: Guessing this is a M.2 port, but not sure?

3: No clue. It looks like a M.2 port ..but bigger?

4: Guessing this is another M.2 port (same as 2)? I'm confused though because it said it only supported one M.2 nvme storage, so I'm wondering why there's two. Unless it's something else?

5: No idea what this is.

6: No idea what this is, but it looks the same as 7?

7: No idea what this is, but it looks the same as 6?

8: Guessing this is the sata port and 4-pin power connector for a 2.5" SSD or HDD.

9: This port says system fan next to it. So if I want to use a fan to put on top of the pc, I would use this port?

10: Guessing this is the CPU?

Last question: If I want to connect a 2.5" SSD or HDD, do I screw it into the top metal "lid"? (It came with 4 extra little screws so I'm guessing that's what they're for)

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Thank you!