Cooler Master CM 690 is the most popular case from Cooler Master and because of its popularity the manufacturer decided to revamp it. The new version, called CM 690 II, will be available on stores this month and is available in two versions, "regular" (USD 80, a.k.a. RC-692-KKN3-GP) and "Advanced" (USD 100, a.k.a. RC-692-KKN2-GP). Let's see what is new and the differences between the two versions.