Answering the OP question in case it helps anyone…
Since 2019, at my home, I have reliably run an ancient (2016-era) ASUS RT-N66U (32MB Flash & 256MB RAM) with a 4TB USB-powered HDD attached, until last month (10/2025) when I decided to upgrade to a used ASUS RT-AX3000 (256MB Flash & 512MB...