The 15.4" model also (re)gained a firewire800 port and a dual-layer SuperDrive. Introduced in October 2006, the MacBook Pro (Late 2006) was essentially a speed-bump of the MacBook Pro and MacBook Pro (17-inch) models to include faster Intel Core 2 Duo processors. The 17.1" model had a 160 GB hard drive, a faster 24x/24x/16x/8x/8x/8x/8x CD-RW/DVD±RW/DVD+R DL SuperDrive, three 2.0 USB ports, and the following dimensions: 1" H x 15.4" W x 10.2" D. Wi-Fi: 802.11a/b/g (802.11n available via paid software upgrade) Optical Drive: 24x/24x/10x/8x/6x/4x/2.4x CD-RW/DVD±RW/DVD+R DLĪudio Out: stereo 24 bit mini, Optical S/PDIFĪudio In: stereo 24 bit mini, Optical S/PDIF Level 1 Cache: 32 kB data, 32 kB instruction