My AX73(JP)'s restart issue has been fixed by the latest firmware: Archer AX73(JP)_V1_211125. AX73 + Time machine + 1TB SSD (MBR + exFAT) are up and running for three weeks so far.

@Xess and all here: I have upgraded my AX73(JP) firmware to the latest Archer AX73(JP)_V1_211125 and there are no more unexpected restarts for three weeks. I'm using 1TB SSD formatted with MBR +...

>> I see AX73 US model have new firmware that have a lot fix problem include usb stability and security. Hope TP-Link release firmware for EU,JP model soon. @Xess Ah, that's great to know, thank you!...

FYI: there will be multiple reasons of the router restart, but it was SSD power consumption in my AX73 + 1TB SSD via USB3 + Time Machine. Some SSD can consume more power than HDD. See Re:Problem with...

Recently I purchased AX73 (Japan) and enabled Time Machine with 1TB SSD via USB3. Initially, AX73 restarted almost everytime when Time Machine backup started. In my case, it looked like to be...