Enclosure: Precision aluminum unibody

Processor: 2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared L3 cache
Memory: 8GB of 1600MHz DDR3L onboard memory
Hard drive: 128GB Flash Storage

Optical Drive: Sold Separately

Graphics: Intel HD Graphics 4000
Video: 720p FaceTime HD camera; Native Mini Display Port output, DVI output using Mini DisplayPort to DVI Adapter (sold separately), VGA output using Mini DisplayPort to VGA Adapter (sold separately), Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
Display: 13.3-inch (diagonal) LED-backlit display with IPS technology, 2560-by-1600 native resolution at 227 pixels per inch with support for millions of color
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Headphone / optical digital audio output (minijack), Support for Apple iPhone headset with microphone
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology


Enclosure: Precision aluminum unibody
Processor: 2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB shared L3 cache
Memory: 8GB of 1600MHz DDR3L onboard memory
Hard drive: 256GB Flash Storage
Optical Drive: Sold Separately
Graphics: Intel HD Graphics 4000
Video: 720p FaceTime HD camera; Native Mini Display Port output, DVI output using Mini DisplayPort to DVI Adapter (sold separately), VGA output using Mini DisplayPort to VGA Adapter (sold separately), Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
Display: 13.3-inch (diagonal) LED-backlit display with IPS technology, 2560-by-1600 native resolution at 227 pixels per inch with support for millions of color
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Headphone / optical digital audio output (minijack), Support for Apple iPhone headset with microphone
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology

Enclosure: Precision aluminum unibody
Processor: 2.6GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.2GHz) with 3MB shared L3 cache
Memory: 8GB of 1600MHz DDR3L onboard memory
Hard drive: 256GB Flash Storage
Optical Drive: Sold Separately
Graphics: Intel HD Graphics 4000
Video: 720p FaceTime HD camera; Native Mini Display Port output, DVI output using Mini DisplayPort to DVI Adapter (sold separately), VGA output using Mini DisplayPort to VGA Adapter (sold separately), Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
Display: 13.3-inch (diagonal) LED-backlit display with IPS technology, 2560-by-1600 native resolution at 227 pixels per inch with support for millions of color
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Headphone / optical digital audio output (minijack), Support for Apple iPhone headset with microphone
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology

Enclosure: Precision aluminum unibody
Processor: 2.4GHz dual-core Intel Core i7 processor (Turbo Boost up to 3.4GHz)
L3 cache: 6MB shared
Memory: 8GB of 1600MHz DDR3L onboard memory; supports up to 16GB
Hard drive: 256GB Flash Storage
Optical Drive: Sold Separately
Graphics: Intel HD Graphics 4000 , NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
Video: 720p FaceTime HD camera; Thunderbolt port with support for DVI, VGA, dual-link DVI, and HDMI (requires adapters, sold separately)
Display: Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 resolution at 220 pixels per inch with support for millions of colors
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Support for Apple iPhone headset with remote and microphone, Support for audio line out (digital / analog)
Networking: 10/100/1000BASE-T (Gigabit) Ethernet
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology
Hardware Accessories: 85W MagSafe 2 Power Adapter with cable management system; MagSafe 2 power port

Enclosure: Precision aluminum unibody
Processor: 2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.6GHz)
L3 cache: 6MB shared
Memory: 8GB of 1600MHz DDR3L onboard memory; supports up to 16GB
Hard drive: 512GB Flash Storage
Optical Drive: 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Graphics: Intel HD Graphics 4000 , NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
Video: 720p FaceTime HD camera; Thunderbolt port with support for DVI, VGA, dual-link DVI, and HDMI (requires adapters, sold separately)
Display: Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 resolution at 220 pixels per inch with support for millions of colors
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Support for Apple iPhone headset with remote and microphone, Support for audio line out (digital / analog)
Networking: 10/100/1000BASE-T (Gigabit) Ethernet
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology
Hardware accessories: 85W MagSafe 2 Power Adapter with cable management system; MagSafe 2 power port

Enclosure: Precision aluminum unibody
Processor: 2.7GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.7GHz)
L3 cache: 8MB shared
Memory: 16GB of 1600MHz DDR3L onboard memory; supports up to 16GB
Hard drive: 512GB Flash Storage
Optical Drive: Sold separately
Graphics: Intel HD Graphics 4000 , NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
Video: 720p FaceTime HD camera; Thunderbolt port with support for DVI, VGA, dual-link DVI, and HDMI (requires adapters, sold separately)
Display: Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 resolution at 220 pixels per inch with support for millions of colors
Expansion: MagSafe 2 power port, Two Thunderbolt ports (up to 10 Gbps), Two USB 3 ports (up to 5 Gbps), HDMI port, Headphone port, SDXC card slot, Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately), Apple Thunderbolt to FireWire Adapter (sold separately)
Audio: Stereo speakers, Dual microphones, Headphone port, Support for Apple iPhone headset with remote and microphone, Support for audio line out (digital / analog)
Networking: 10/100/1000BASE-T (Gigabit) Ethernet
Wireless: 802.11n Wi-Fi wireless networking, IEEE 802.11a/b/g compatible; Bluetooth 4.0 wireless technology
Hardware accessories: 85W MagSafe 2 Power Adapter with cable management system; MagSafe 2 power port