NOTE** BATTERY NEEDS TO BE REPLACED. It will not run on battery power. Right speaker has a buzz. 

In addition, this MacBook Pro is really slow probably due to depleted battery. 

The RAM has been upgraded to 16GB

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

Display

·        15.4-inch(diagonal) LED-backlit glossy or optional antiglare widescreen display withsupport for millions of colors

·        Supportedresolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, 1024 by 640, and800 by 500 pixels at 16:10 aspect ratio; 1024 by 768, 800 by 600, and 640 by480 pixels at 4:3 aspect ratio; 1024 by 768, 800 by 600, and 640 by 480 pixelsat 4:3 aspect ratio stretched; 720 by 480 pixels at 3:2 aspect ratio; 720 by480 pixels at 3:2 aspect ratio stretched

·     

Processor

·        2.3GHzquad-core Intel Core i7 processor (Turbo Boost up to 3.3GHz) with 6MB L3 cache

Memory

·  

o    4GB of 1600MHzDDR3 memory

Storage

·      

o    500GB 5400-rpmhard drive

Size and Weight

·        Height:0.95 inch (2.41 cm)

·        Width:14.35 inches (36.4 cm)

·        Depth:9.82 inches (24.9 cm)

·        Weight:5.6 pounds (2.56 kg)2

Graphics and Video Support

·        IntelHD Graphics 4000

·        NVIDIAGeForce GT 650M with 512MB of GDDR5 memory (15-inch 2.3GHz configuration) orNVIDIA GeForce GT 650M with 1GB of GDDR5 memory (15-inch 2.6GHz configuration)and automatic graphics switching

·        Dualdisplay and video mirroring: Simultaneously supports full native resolution onthe built-in display and up to 2560 by 1600 pixels on an external display, bothat millions of colors

Thunderbolt digital video output

·        NativeMini DisplayPort output

·        DVIoutput using Mini DisplayPort to DVI Adapter (sold separately)

·        VGAoutput using Mini DisplayPort to VGA Adapter (sold separately)

·        Dual-linkDVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)

·        HDMIaudio and video output using third-party Mini DisplayPort to HDMI Adapter (soldseparately)

Camera

·        720pFaceTime HD camera

Connections and Expansion

·        MagSafepower port

·        GigabitEthernet port

·        FireWire800 port (up to 800 Mbps)

·        TwoUSB 3 ports (up to 5 Gbps)

·        Thunderboltport (up to 10 Gbps)

·        Audioline in

·        Audioline out

·        SDXCcard slot

·        Kensingtonlock slot

·        8xSuperDrive

Wireless

·        802.11nWi-Fi wireless networking;3 IEEE 802.11a/b/g compatible

·        Bluetooth4.0 wireless technology

Audio

·        Stereospeakers with subwoofer

·        Omnidirectionalmicrophone

·        Audioline in (digital/analog)

·        Audioline out (digital/analog)

·        Supportfor Apple iPhone headset with remote and microphone

Keyboard and Trackpad

·        Full-sizebacklit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keysand 4 arrow keys (inverted “T” arrangement) with ambient light sensor

·        Multi-Touchtrackpad for precise cursor control; supports inertial scrolling, pinch,rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and dragcapabilities

Battery and Power4

·        Upto 7 hours wireless web

·        Built-in77.5-watt-hour lithium-polymer battery

·        85WMagSafe Power Adapter with cable management system; MagSafe power port

Electrical and Operating Requirements

·        Linevoltage: 100V to 240V AC

·        Frequency:50Hz to 60Hz

·        Operatingtemperature: 50° to 95° F (10° to 35° C)

·        Storagetemperature: –13° to 113° F (–24° to 45° C)

·        Relativehumidity: 0% to 90% noncondensing

·        Maximumoperating altitude: 10,000 feet

·        Maximumstorage altitude: 15,000 feet

·        Maximumshipping altitude: 35,000 feet