Apple Apple MJLU2HN/A Laptop
MJLU2LL/A 15.4"/2.8 Quad-core i7/16GB/1TB-Flash 15.4 inch, 2.8 GHz Intel i7 Quad Core Processor, 16 GB DDR3L RAM, 1TB Hard drive, 15-inch Screen, Intel Iris Pro Graphics Mac OS X Mavericks Operating system, 8 Hours of Battery life
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This is the MacBook with Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880x1800 resolution at 220 pixels per inch with support for millions of colours.

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Highlights
Type Retina Display
Color Silver
Screen Size 15.4 "
2015

Apple has launched Macbook in the year 2008. Since then Apple is continuously upgrading the configurations and launching new Macbooks in the market. Every Macbook has its unique model number that changes with its launching year.So, you can easily identify any Macbook with its year of launching and the model identifier name and find out same series Macbooks having different model numbers and manufacturing year.For e.g Macbook Air 13.3 inch (2013) has its upgraded configuration models like Macbook Air 13.3 inch (2014), Macbook Air 13.3 inch (2015) and so on. While buying Macbook online you can always check the latest models by its model identifier and launching year date.

Resolution 2560 x 1600 at 227 PPI PX
Processor Speed 2.8 GHz
Operating System X El Capitan
Memory 16 GB
Storage 1TB PCIe-based flash storage
Series # MacBook Pro 15.4" (2015)
Available on Conzumr Since November 2017
Apple MacBook Pro 15.4" (2015) series Laptop Compare

Display
Type Retina Display
Color Silver
Screen Size 15.4 "
2015
IPS technology Yes
Backlight Technology LED
Resolution 2560 x 1600 at 227 PPI PX
Supported resolutions Native resolution: 2880x1800 pixels (Retina) Scaled resolutions: 1920x1200, 1680x1050, 1280x800 and 1024x640 pixels
Camera 720p FaceTime HD camera
Model Identifier MacbookPro 11,5
Processor and Memory
Processor Speed 2.8 GHz
Processor Details 2.8GHz quad-core Intel Core i7(Turbo Boost up to 3.7GHz) with 6MB shared L3 cache
Processor Core i7
Operating System X El Capitan
Memory 16 GB
RAM Frequency 1600MHz DDR3L onboard memory
Storage 1TB PCIe-based flash storage
Graphics and Video Support
Graphics Intel Iris Pro Graphics, AMD Radeon R9 M370X with 2GB of GDDR5 memory and automatic graphics switching|Intel Iris Pro Graphics
Yes
Weight and Dimensions
Width 358.9 mm
Depth 247.1 mm
Height 18 mm
Weight 2.04 kg
Connectivity
Bluetooth Bluetooth 4.0
IEEE 802 a/b/g/n/ac
Charging and Expansion
USB Type-C Outputs HDMI video output
MagSafe 2 power port Yes
SDXC card slot Yes
Native Mini DisplayPort output, Two Thunderbolt 2 ports (up to 20 Gbps)
1 USB Port
Audio
Stereo speakers Yes
Dual microphones Dual microphones
3.5mm headphone jack Yes
Battery and Power
Wireless Web 9 H
iTunes Film Playback 9 H
Standby time 30 days
Battery Type 99.5 Watt-Hour, lithium-polymer battery
Electrical and Operating Requirements
Line voltage 100–240 V
Frequency 50 to 60 Hz
Operating temperature 10° to 35° C (50° to 95° F)
Storage temperature –25° to 45° C (–13° to 113° F)
Relative humidity 0% to 90% non-condensing
Operating altitude 3000
Maximum shipping altitude 4500
Maximum storage altitude 10500
Accessories
In the box AC wall plug, MacBook, Power adapter, Power lead