<p>➀ Special server models like SA5212 M5 and CPU models like Intel Xeon 8375C are created to cater to specific industries, such as the internet industry, to avoid impacting traditional industries and maintaining high prices for those markets.</p><p>➁ These special models often come from sources like outdated equipment, major clients' canceled orders, and irregular channels, which can lead to low prices in the market.</p><p>➂ Special models are generally cost-effective, but some are designed for high-profit margins, especially in industries that are less price-sensitive.</p><p>➃ Server manufacturers can request custom CPU models, but large CPU manufacturers like Intel and AMD usually only offer this service to major end-users or provide discounted models in their regular lists.</p>