50kW class laser.
Another source claims 1um wavelength with individual 1.5kW lasers in a hex pattern — unclear if it’s a phased array (would be awesome) or just trained on the same target (source mentions they are “combined using a mirror” so probably the latter).
Sounds like maybe high power YAG?
Does Minecraft server have a known memory leak or something?
As a hack you can always set up a cronjob to automatically reboot at a time when you won’t be using it, but not sure if that defeats the purpose of a Minecraft server…