Hey there, good luck with the sales.
Your Ad might get lost on this board you can move it to the "
Computer Hardware" board, that's where most would look for this gear. You'll see "move topic" in the bottom left of the screen. You've already ticked most of the boxes with Escrow being available and offering pictures.
A few things to add would be acceptable payment methods, asking price, and just to preemptively post images. You'll need to post the link for a site like imgur, as your account can't post pictures yet. Here is a little guide for
[WTS] Posting guidelines for physical goods