■非公式ファームウェアまとめ
Asuswrt-Merlin
https://www.asuswrt-merlin.net/
Padavan
https://bitbucket.org/padavan/rt-n56u
AdvancedTomato
https://advancedtomato.com/
DD-WRT
https://www.dd-wrt.com/
OpenWrt
https://openwrt.org/

Plug-n-Share Disks Compatibility List
https://event.asus.com/networks/disksupport