The user interface is snappy enough for basic navigation.
10/100 Base-T Ethernet RJ45 port for a stable physical connection. Includes USB 2.0 ports and a HDMI output for TV connection. Hardware Interface & Design ZXV10 B820C-A15 user guide
The A15 is a 15-slot service board (often 16 ports, but the "15" denotes hardware revision/traffic capacity). It does not work alone. It plugs into a ZTE B820C chassis backplane, which handles power, cooling, and fabric switching.
The ZTE ZXV10 B820C-A15 sports a minimalist, utilitarian design. It is a small, square-ish black plastic box with rounded corners. It measures approximately 10 cm x 10 cm, making it small enough to hide behind a TV or place discreetly on a media console.