History: The PowerBook G3 Series was an entirely new design, which resembled its predecessor only in name. The G3 Series was the first Built-to-Order PowerBook line, and filled Apple's PowerBook offerings, from low to high end, with a single motherboard design. The G3 Series had two drive bays, either of which could hold a battery or a wide array of 3.5" expansion devices, such as floppy or zip modules. The right drive bay could also accommodate larger 5.25" devices. The PowerBook G3 Series started at $2,299 U.S. for 233 MHz with no floppy drive and a 12" screen, and cost around $7,000 U.S. fully loaded.