I have a CyberPower SX550G, it is 550VA 330 watt. But I notice that they have kept the same model number but changed the orientation of the plug, they are all in a line.
This is the SX550G now:
https://www.cyberpowersystems.com/product/ups/battery-backup/sx550g/
This is the what I would get now, with the plugs orriented so small power bricks do not interfer with the next plug:
The CyberPower SX650G Battery Backup/ UPS (uninterruptible power supply) system safeguards small office workstations, networking devices and home entertainment systems by providing battery power during power interruptions and surge protection. Data line protection is included for phone/network...
www.cyberpowersystems.com
It has only activated once when plugged into my MacBook Pro and I was not home, it shut down the MBP like it is supposed to, which shut down my drive correctly. Only one side is battery powered/surge protected, the other side is surge protection only. It won't run the equipment very long but I didn't buy it for that.