Dreamcast GD-IDE and ATA-G1 boards by DragonCity

So I was thinking of buying one of these mods on ebay, but I see there's two of them? I'm not a francophone, and it seems the seller only caters to frenchmen, does anyone know which to get? Also, I'm not against soldering unless it's at an advanced level, are these easy to install for a novice?

 

I sell worldwide

Tell me what you want:
https://dragoncity17.wordpress.com/contact/

Here is the installation tutorial for G1-ATA or GD-IDE, where you will find the video to see each step :

https://dragoncity17.wordpress.com/2018/03/16/sega-dreamcast-g1-ata/

https://dragoncity17.wordpress.com/2018/03/17/sega-dreamcast-gd-ide/

If you have question you can ask directly on the tutorial I will answer no problem