French web site hardware.fr has a comparison of computer component return rates
The information was obtained from an unnamed major e-tailer. It ranks brands and models by name according to the percentage of items sold that were returned as defective. Only models with a sample of 100 or more were counted. According to the author, the sample size for some unspecified items was in the tens of thousands.
The article is in French, but you don't need to understand the language to follow the return rate listings.