Is 86% RAM Usage Too High for Comfort?

[ElmerFudd]

I just finished configuring my new RT-AX86S router which comes with 512MB RAM. Nothing too fancy, just using the various GUI based functionality like an OpenVPN Server, AiProtection, AiMesh, a couple guest networks, and QoS. I haven't connected the rest of my network to it yet (ie: just one client so far) and I noticed that after a reboot the RAM usage sits at around 86% with about 70MB free. Is this too high for comfort? Is 70MB enough to handle about 20 clients (wired and wireless) and a 500Mbit internet connection? Or will I run out of RAM if those clients end up opening up too many connections? Should I be upgrading this to an RT-AX86U router with 1GB RAM, even though I don't need the extra CPU cores, or the 2.5Gb port?

Thanks
Harry

I just finished configuring my new RT-AX86S router which comes with 512MB RAM. Nothing too fancy, just using the various GUI based functionality like an OpenVPN Server, AiProtection, AiMesh, a couple guest networks, and QoS. I haven't connected the rest of my network to it yet (ie: just one client so far) and I noticed that after a reboot the RAM usage sits at around 86% with about 70MB free. Is this too high for comfort? Is 70MB enough to handle about 20 clients (wired and wireless) and a 500Mbit internet connection? Or will I run out of RAM if those clients end up opening up too many connections? Should I be upgrading this to an RT-AX86U router with 1GB RAM, even though I don't need the extra CPU cores, or the 2.5Gb port?

Thanks
Harry

As Ripshod displayed, assess Free vs Cached Vs Used memory before getting concerned. I have 1GB of memory on my router and have never had an issue despite the Web Interface saying it was 95%-> 97% used. Merllin 388.2 Beta 1, Skynet, AdGuard Home in Cache mode handing 8 parallel upstream DNS servers with DSN SEC over TLS, and YAZI all running on my router.