Is it ok to use with homebrew / hacked firmware / CFW?
Yes.
Will my data be lost after installation?
No.
Does it work with the New 3DS LL (Japanese model)?
Yes.
Do you have anything for {XYZ model}?
If you don't see it on the order page, I don't have it.
Can I use a USB to HDMI adapter?
No.
Mac / Linux support?
Not officially supported, you're on your own. There has been some work by 3rd parties.
Is there a warranty? What if it breaks?
I don't charge for repairs. If there is anything wrong with the capture board, you can always send it back to get it fixed.
USB performance issues