MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications:

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
Supported resolutions: 2880 by 1800 pixels (Retina); scaled resolutions: 1920 by 1200, 1680 by 1050, 1280 by 800, and 1024 by 640 pixels

Processor: 2.3GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.3GHz) with 6MB shared L3 cache
Memory: 8GB of 1600MHz DDR3L onboard memory
Storage: 256GB

Size and Weight:
Height: 0.71 inch (1.8 cm)
Width: 14.13 inches (35.89 cm)
Depth: 9.73 inches (24.71 cm)
Weight: 4.46 pounds (2.02 kg)2

Graphics and Video Support:
Intel HD Graphics 4000
NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, at millions of colors
Thunderbolt digital video output
Native Mini DisplayPort 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)

Camera: 720p FaceTime HD camera

Connections and Expansion:
Ports on the MacBook Pro with Retina display:
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

Wireless:
802.11n Wi-Fi wireless networking;3 IEEE 802.11a/b/g compatible
Bluetooth 4.0 wireless technology

Audio:
Stereo speakers
Dual microphones
Headphone port
Support for Apple iPhone headset with remote and microphone
Support for audio line out

Keyboard and Trackpad:
Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor
Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities

Battery and Power:
Up to 7 hours wireless web
Up to 30 days standby time
Built-in 95-watt-hour lithium-polymer battery
85W MagSafe 2 Power Adapter with cable management system; MagSafe 2 power port

Electrical and Operating Requirements:
Line voltage: 100V to 240V AC
Frequency: 50Hz to 60Hz
Operating temperature: 50° to 95° F (10° to 35° C)
Storage temperature: –13° to 113° F (–24° to 45° C)
Relative humidity: 0% to 90% noncondensing
Maximum operating altitude: 10,000 feet
Maximum storage altitude: 15,000 feet
Maximum shipping altitude: 35,000 feet

Included Software:
OS X Catalina
Includes Mail, Address Book, iCal, the Mac App Store, iTunes, Safari, Time Machine, FaceTime, Photo Booth, Mission Control, Launchpad, AirDrop, Resume, Auto Save, Versions, Quick Look, Spotlight, QuickTime, and more.
iLife
Includes iPhoto, iMovie, and GarageBand. Learn more about iLife.

In the Box:
MacBook Pro with Retina display
85W MagSafe 2 Power Adapter, AC wall plug, and power cord