If you see "A3" printed there, you are in the right place.
1 x Gigabit WAN, 4 x Gigabit LAN, and 1 x USB 3.0 port. Firmware Options Index of /pub/Router/DIR-853/Firmware - D-Link FTP dir-853 et hardware version a3 firmware
Recommendation: Stay on official D-Link firmware for A3 unless you need advanced VLAN or VPN routing. If you see "A3" printed there, you are in the right place
The DIR-853 ET A3 is often distributed by Internet Service Providers (ISPs) or sold in specific international markets. This version features AC1300 dual-band speeds and MU-MIMO technology, designed to handle high-density home traffic. Hardware and Version Identification If you see "A3" printed there
The D-Link DIR-853 hardware version A3 is a specific revision of the AC1300 MU-MIMO Wi-Fi Gigabit router, frequently associated with