Nálam ezek vannak:
Server = https://nova.quantum-mirror.hu/mirrors/pub/archlinux/$repo/os/$arch
Server = https://mirror.dkm.cz/archlinux/$repo/os/$arch
Server = https://mirror.alwyzon.net/archlinux/$repo/os/$arch
Server = https://super.quantum-mirror.hu/mirrors/pub/archlinux/$repo/os/$arch
Server = https://quantum-mirror.hu/mirrors/pub/archlinux/$repo/os/$arch
Server = https://mirrors.nic.cz/archlinux/$repo/os/$arch
Server = https://os.codefionn.eu/archlinux/$repo/os/$arch
Server = https://ftp.wrz.de/pub/archlinux/$repo/os/$arch
Server = https://mirror.iusearchbtw.nl/$repo/os/$arch
Server = https://mirrors.xtom.de/archlinux/$repo/os/$arch

Illetve érdemes a pacman.conf-ban ezt engedélyezi:

ParallelDownloads = 5