This is the modern x86 architecture you might also find called “64-bit” or “AMD64” and the one you will want to use on devices with more than 4 GiB of RAM.
| HTTP | https://downloads.openwrt.org/releases/packages-25.12/x86_64/ |
| FTP | ftp://ftp.halifax.rwth-aachen.de/lede/releases/packages-25.12/x86_64/ |
See Mirrors for more download sites.