It depends …
lsblk -f
NAME FSTYPE FSVER LABEL UUID FSAVAIL FSUSE% MOUNTPOINTS
zram0 swap 1 zram0 e99573aa-351b-43ec-b326-f353c158d4da [SWAP]
nvme0n1
├─nvme0n1p1 vfat FAT32 SYSTEM_DRV 94BA-ECE1 219,6M 14% /boot/efi
├─nvme0n1p2
├─nvme0n1p3 ntfs Windows-SSD A2A8BB95A8BB6707
├─nvme0n1p4 ntfs WINRE_DRV B8F6BC25F6BBE234
├─nvme0n1p5 btrfs KDE fc62cc44-07ab-497b-ac89-15704c290993 57,2G 85% /var/tmp
│ /var/log
│ /var/cache
│ /srv
│ /root
│ /home
│ /
├─nvme0n1p6 btrfs Mokka 49ae3946-10bd-4d2e-9647-90ed35398039
└─nvme0n1p7 btrfs i3wm 21e02e96-0ed6-4629-9a39-85ffee7a4359
4 OS and just a lot of space free 
from 260 MiB