History: Announced in January 2003, The PowerBook G4 (12-inch) brought the subnotebook form factor of the 12" iBook to the G4 line. Housed inside an Aluminum case even smaller than the iBook, The 12.1" G4 had nearly all the features of the 867 MHz PowerBook G4 Titanium, and a few more to boot. The 12.1" G4 was based on a new motherboard design, which included Double Data Rate (DDR) RAM, internal Bluetooth, and AirPort Extreme support. The 12" PowerBook G4 included a 32 MB NVIDIA GeForce4 420 Go graphics card, and borrowed the iBook's mini-VGA and Composite Audio/Video ports. It came in a single configuration, with 256 MB of RAM and a 40 GB hard drive, for $1799 U.S.