What stands out about the unbranded brand is that the contact ratings are printed large, so you can read them fast.
3424428 Beam Model CT-622 6 or 12 Volt, 30 LB Max
The ARD4UR model looks tidy the rail, and you will find that its accessible terminals make late-night fixes less painful.
From the description, the G2RL-14-E 5VDC model seems compatible with my current setup and wiring.