Apple MacBook Pro “Core i7″ 2.3 15” 2012 Specs

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MacBook Pro Mid-2012 15″ – MD103LL/A – MacBookPro9,1 – A1286 – 2556

About this MacBook Pro

The popular 2012 MacBook Pro 15″ 2.3Ghz features an Intel Core i7 processor with a 4GB of 1600 MHz DDR3L SDRAM (PC3-12800) and 500 GB of hard drive space. These specs were able to be configured to order or upgraded aftermarket. The 2012 Macbook Pro features dual-graphics processors (GPUs) and is ideal for photography, coding, video editing, 3G graphics, and gaming applications. This Mac is the last of 15″ Macbook Pro line that has upgradable RAM and a user-replacable battery, which is why it continues to be a best seller until current day.

MacBook Pro Mid 2012 specs incorporate the Thunderbolt standard port that can handle 10 Gbps bandwidth in both directions. It also supports peripherals with resolutions as high as 2560×1600 and an uninterrupted audio signal.

2.3 GHz Core i7

4 GB

500 GB HDD

7 Hours

Storage

This MacBook Pro has a standard storage of 500 GB on 6 Gb/s Serial ATA with a speed of 5400 RPM. The MD103LL/Acan be custom configured up to 16GB of RAM and with up to a 4TB 2.5″ SSD. This Mac remains extremely popular due to the ability to upgrade storage and RAM.

Screen Size and Resolution

This model has an LED-backlit 15.4” widescreen TFT active-matrix “glossy” display with a native resolution of 1440×900. It is available for custom configuration, enabling you to change it to high-res glossy or antiglare 1680×1050 display that further supports millions of colors.I By default, the pixels of this unit provide clarity and full images. It provides a seamless experience while reading documents or streaming high-quality videos online.

Processor& Graphics Processing Unit (GPU)

The MacBook Pro uses a pre-installed MacOS X 10.7.3 (11D2097), 2.3 GHz Intel Core i7 3615QM “Sandy Bridge” processor, which is the second generation of Core processors. It can manage multiple threads simultaneously. It also comes with dual graphics processors – an NVIDIA GeForce GT 650M with 512 MB of dedicated GDDR5 memory and as well as an “integrated” Intel HD Graphics 4000 graphics processor.

Memory & Architecture

Applications installed on the MacBook Pro are run on a 256k level 2 cache and a 6 MB Level 3 cache plus a 5 GT/s frontside bus with 4 GB of 1600 MHz DDR3L SDRAM (PC3-12800) for its RAM. All of this is centered around a 64-Bit architecture.

Battery Life

The MacBook Pro comes with a 77.5-watt-hour lithium polymer battery that provides 7 hours of wireless web use.

Upgradability

This MacBook Pro comes standard with 4GB of RAM, but users have the ability to upgrade it up to 16GB. The operating system of the MacBook Pro comes pre-installed with MacOS X 10.7.3 and can be upgraded to 2020 version of OS Catalina. This MacBook Pro comes with dimensions of 0.95 x 14.35 x 9.82 in and a weight of 5.6 lbs (2.56 kg).

Inclusive Features

The MacBook Pro includes the following features and ports:

8X DL “SuperDrive”
AirPort Extreme (802.11a/b/g/n) which allows connection to the best Wi-Fi bands available
Bluetooth 4.0 allowing for quick PAN (Personal Area Network) connections and transfers
FireWire 800 port
Gigabit Ethernet is provided for your Local Area Network (LAN) connections
Two USB 3.0 Ports are supplied for the connection of external keyboards, printers, external hard disks etc.
Optical digital audio in/out for connecting some external audio equipment like headphones and microphones
Thunderbolt standard port that is backward compatible with a Mini DisplayPort and can support an audio signal and a 2560×1600 resolution
SDXC Card Slot
No button glass multi-touch trackpad with support for new “four finger” gestures and programmable zones
FaceTime HD webcam

Introduced: June 11, 2012		Discontinued: October 22, 2013
Screen Size and Resolution		Memory
Screen Size	15.4″ Widescreen	Level 1 Cache	32k/32k x 4
Resolution	1440×900	Level 2/Level 3 Cache	256k x 4, 6 MB
Processor		RAM Type	PC3-12800 DDR3L
Processors	1 (4 Cores)	Min. RAM Speed	1600 MHz
Architecture	64-Bit	Standard RAM	4 GB
Speed	2.3 GHz	Maximum RAM	16 GB
Type	Core i7 (l7-3615QM)	RAM Slots	2
Processor Upgrade	Soldered	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	5 GT/s	Video Card	GeForce GT 650M
Cache Bus Speed	2.3 GHz (Built-in)	VRAM Type	GDDR5
ROM/Firmware	EFI	Standard VRAM	512 MB
EFI Architecture	64-Bit	Maximum VRAM	512 MB
Storage		Inclusive Features and Ports
Standard Storage	500 GB HDD	Standard Optical Drive	8X DL “SuperDrive”
Storage Speed	5400 RPM	Standard Ethernet	10/100/1000Base-T
Storage Dimensions	2.5” (9.5 mm)	Standard Modem	None
Storage Interface	Serial ATA (6 Gb/s)	Standard AirPort	802.11a/b/g/n (450 Mbit)
Battery		Standard Bluetooth	4.0
Type	77.5 W h Li-Poly	USB Ports	2 (3.0)
Battery Life	7 hours	Firewire Ports	1 (800)
Description		Keyboard	Full-size
Case Type	Notebook	Inclusive Input	Trackpad (Inertial)
Form Factor	MacBook (Unibody)	SDXC Card Slot	1
Apple Order No	MD103LL/A	Microphone	1
Apple Subfamily	Mid 2012 15”	Headphone	1
Apple Model Number	A1286 (EMC 2556)	Sound Out	1
Model ID	MacBookPro 9,1	Power Adapter	1

Identifier reference: MD103LL/A, A1286, EMC 2556, MacBookPro 9,1. Use these together because one Apple identifier can sometimes cover multiple configurations.

Last reviewed by Techable: August 20, 2025Identifiers checked: order number, A-number, EMC, and model identifier when available.

Model summary

This MacBook Pro at a glance

Family: MacBook Pro
Order Number: MD103LL/A
Model Number: A1286
EMC: 2556
Model ID: MacBookPro 9,1
Year: 2020

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Next steps

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Common questions

Is MD103LL/A the same as A1286?

Not exactly. MD103LL/A usually points to a specific retail configuration, while A1286 identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What MacBook Pro is model A1286?

A1286 is the Apple A-number shown for this MacBook Pro family. Use the order number, EMC, and model identifier on this page to narrow the exact configuration.

What does EMC 2556 mean?

The EMC number is another Apple hardware identifier. It helps separate closely related models that may share a similar name, year, or A-number.

Can the RAM or SSD be upgraded?

Check the spec table for the exact configuration. Many newer Apple Silicon Macs have memory and storage integrated into the board, so RAM and SSD upgrades are often not practical after purchase.

What macOS versions work with this model?

Use the model identifier, release year, and processor family from the spec table when checking macOS compatibility. Compatibility can change as Apple releases new macOS versions.

Is this MacBook Pro still worth buying used?

It can be, depending on price, battery health, memory, storage, and condition. Compare this exact order number and model identifier against similar Techable listings before buying.

How much is this MacBook Pro worth?

Value depends on RAM, storage, battery health, cosmetic condition, accessories, and market demand. Use the SellMac path on this page for a quote or use the identifiers here when comparing resale prices.

What should I search if this page is not the exact configuration?

Search the order number first when available, then compare the A-number, EMC, model identifier, year, chip, RAM, and storage. The same A-number can cover more than one configuration.

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