Apple's primary desktop computer. The iMac is an "all-in-one" that houses the computer and drives within the flat panel monitor case. Since their debut in 1998, iMacs have been extremely popular. Apple also makes two computers with stand-alone monitors: a mini desktop model (see Mac mini) and a high-end unit (see Mac Pro). What, No Floppy? In 1998, the iMac caused a stir as the first personal computer without a floppy drive. With everything contained in the CRT cabinet, the iMac debuted as a low-priced Internet-ready machine (the "i" in iMac). It also replaced the serial port and Apple's keyboard/mouse port (see ADB) in favor of USB. A Thousand Times More RAM The first iMac came with 32MB RAM, a 4GB hard disk, CD-ROM drive and dial-up modem. Only the RAM was upgradable. Sixteen years later, the 2014 iMac with Retina 5K display was configurable with up to a thousand times more RAM and 700 times more storage than the first iMac. It was also the first desktop computer with a 5K monitor. See Macintosh, iBook, MacBook and eMac.