The model A1278 identifies Apple's line of portable 13-inch MacBooks and MacBook Pros. This includes 13-inch MacBook Core 2 Duos, 13-inch MacBook Pro Core 2 Duos and 13-inch MacBook Pro Core i5 and Core i7 models. Although the specifications differ between models, they all share the same screen size and fundamental design.
The original 13-inch MacBook incorporates either a 2.0 GHz or a 2.4 GHz Intel Core 2 Duo processor. When the model was upgraded to "Pro" status in 2009, the Intel Core 2 Duo processor became available in 2.26 GHz or 2.53 GHz form. The A1278 MacBook Pros introduced in 2010 offered a 2.4 GHz or 2.66 GHz Intel Core 2 Duo processor. In 2011, the Intel Core 2 Duo processors were replaced with 2.3 GHz Intel Core i5 processors or 2.7 GHz Intel Core i7 processors. Both models include Intel's dual-core version of these processors.
2008 MacBook models offer a choice between 2 GB or 4 GB of 1066MHz DDR3 SDRAM. 2009 MacBook Pros offer a choice between 2 GB, 4 GB or 8 GB of 1066MHz DDR3 SDRAM. 2010 MacBook Pros offer either 4 GB or 8 GB of 1066MHz DDR3 SDRAM. The 2011 Core i5 and Core i7 MacBook Pros offer a choice between 4 GB or 8 GB of 1333MHz DDR3 SDRAM.
All Intel-based Macintosh models are compatible with Snow Leopard, or Mac OSX 10.6.x; however, 2008 MacBooks and 2009 MacBook Pros shipped with Leopard (Mac OSX 10.5.x) preinstalled. These models are upgradeable to Snow Leopard. The 2010 and 2011 13-inch MacBook Pros shipped with Snow Leopard preinstalled.
The 2008 2.0 GHz and 2.4 GHz MacBook have hard drive options of 160 GB, 250 GB and 320 GB 5400-rpm drives. An additional option included a 128 GB solid-state drive. The 2009 Mac Pros incorporate a choice between 320 GB or 500 GB 5400-rpm hard drives or a choice between 128 GB or 256 GB solid-state hard drives. 2010 MacBook Pros offered a selection between 320 GB or 500 GB 5400-rpm hard drives or a choice of 128 GB, 256 GB or 512 GB solid-state hard drives. The 2011 MacBook Pros offer a choice between 500 GB or 750 GB 5400-rpm hard drives, and solid-state-drive options of 128 GB, 256 GB or 512 GB.
A1278 MacBooks and MacBook Pros manufactured in 2008 and 2009 include an nVIDIA GeForce 9400M graphics card with 256MB of shared DDR3 SDRAM. The 2009 MacBook Pros included a NVIDIA GeForce 320M graphics card with 256MB of shared DDR3 SDRAM. 2011 MacBook Pros include an Intel HD Graphics 3000 card with 384MB of shared DDR3 SDRAM.
All A1278 MacBooks and MacBook Pros have two 2.0 USB ports, a 1-gigabit Ethernet port, analogue audio input and output, digital audio output and a Kensington lock slot. The 2008, 2009 and 2010 A1278 models include a mini-display output port. In the 2011 model, the mini-display port has been replaced with a high-speed Thunderbolt port. The 2009, 2010 and 2011 MacBook Pros include fire-wire 800 ports and SD card slots. The 2011 models also support SDXC cards.
All A1268 13-inch MacBooks and MacBook Pro models incorporate an Airport Extreme card that allows compatibility with a, b, g and n Wi-Fi connections, Bluetooth 2.1 + EDR and an 8x Super drive with single and dual layer disc burning and playback capabilities. The Intel Core 2 Duo models all have a built-in iSight web camera, and Core 15 and Core 17 models include an HD Facetime web camera. All A1278 models are environmentally friendly, meeting Energy Star and EPEAT Gold requirements.