fyi, you can adjust the parameters of the arctic to get better efficiency. They do not advertise it though as its too complicated for most people to understand. ITs pretty decent on eco mode and can be setup to be better if you dont have it constantly being opened. I have one of them next to my ARB, they only hold drinks and run all year, the SB does cycle a little more or maybe i notice it more because its louder. I do have a total of 3 SB (2014 is the oldest, there was an update in 2018 circuit board and programming to run more efficient and i see the difference) 2 ARB ( oldest in from about 2002 newest is 2018), indel B and a few other off brands.
Indel b has one that will fit, i just didnt like it because the controls were in the back on the model i have. All of them use the same BD 35f compressor. so programming and insulation is what makes the most difference in them.