What stands out about the unbranded brand is the lack of logos, keeping the look consistent with other anonymous hardware.
G5PA-1 9VDC Power Relay 5A 250VAC 4 Pins (Pack of 10)
I notice the Omron label and feel more confident about long-term use in various setups.
You will find that this unbranded relay is quiet in operation, with minimal hum or buzz during long runs.
What stands out about the unbranded brand is the straightforward labeling on the coil and contacts for easy identification.