What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
Inkbird Solid State Relay 40DA DC SSR Black Heat Sink for PID Thermostat Temp…
What stands out about the black finish is that it tends to look less flashy while still feeling solid.
A nice touch is the black housing, which gives the relay a simple, classic look on the panel.
The black color is a nice touch, helping the unit stay visually subtle next to other components.