Following is a brief summary of the current models in Apple's Mac family, all of which use Intel CPU chips. For a list of some of the earliest Macs by model number, see Macintosh models - early. MAC DESKTOPS: Pro - iMac - mini The Mac Pro is a high-performance workstation with four to 12 cores (see Mac Pro). The iMac all-in-one is the most popular Mac with the computer is built into the monitor (see iMac). The Mac mini is the smallest Mac desktop computer (see Mac mini). MAC SERVERS: OS X Server Any Mac can be turned into a server with the OS X Server App downloaded from the Mac App Store. Rack-mounted server hardware was available in the past but was discontinued (see Xserve). MACBOOK LAPTOPS: Pro, Air and MacBook MacBook Pro laptops are the top-end models with 13" and 15" screens (a 17" model was dropped in 2012). The MacBook Air is a thinner, lighter version with 11" and 13" screens, and the 13" MacBook is the lightest and thinnest (see MacBook).