How much ram should I be using for a 4-5 player modded server?

[MegaAndSapphire]

I'm hosting a 4-5 player modded server on my pc, my pc has about 16 gb of ram, how much should I use to host the server? I'm currently using 7gb

collection for the mods I'm using:
https://steamcommunity.com/sharedfiles/filedetails/?id=2934090646

[Beard]

2gb for the server itself, 500mb for any player. So Around 5gb should be enough.