I'd actually be really interested to see statistics from Corsair, NZXT, Cooler Master, or another big AIO OEM about what they sell the most of. My perspective

I'd actually be really interested to see statistics from Corsair, NZXT, Cooler Master, or another big AIO OEM about what they sell the most of. My perspective from participating in PC building communities and consuming content from the big hardware sites and channels is that most people who use an AIO go for either a 240mm or 280mm radiator. I can't remember the last time I saw a 120mm or 140mm radiator recommended for a non small form factor build, as they usually perform equal to or worse than much cheaper air coolers.