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Apple MacBook Pro MD101LL A "Core i5" 2.5 13" 2012 Specs

MacBook Pro 9.2 - A1278

2012 Macbook Pro 13-inch 2.5GHz i5 


The classic 2012 Macbook Pro 13″ 2.5GHz i5 has always been a popular choice for Apple Macbook Pro 13 inch buyers. This 13-inch MD101LL/A was released on June 11th, 2012. This Macbook Pro is one of the most sold of all time. This Mac sold from 2012 until October 27th of 2016. Some say 2012 13″ Mac is the best Macbook Pro ever offered and marked the end of the Steve Jobs Era. 

This Macbook Pro is perfect for those who want a repairable Macbook Pro that has a user-replaceable battery and components that don’t come soldered together. The MD101LL/A even has a CD/DVD Drive if you’re feeling nostalgic.

This Mac looks identical to its predecessor, but Apple upgraded this Mac to USB 3.0. This Macbook Pro was offered by Apple with 4GB RAM and a 500GB rotational hard drive but is able to be upgraded aftermarket. This machine allows users to ability to customize its specifications up to 16GB RAM and any 2.5″ drive. 

The Mac features a Thunderbolt standard port that supports a 20 Gbps bandwidth in both directions. It also supports resolutions as high as 2560×1600 and an audio signal. Check out all of those ports in the pictures below.

The MD101LL/A and MD102LL/A mark the end of this generation of Macbook and were preceded by Apple’s patented “Retina Display” models. These Macs are still extremely popular as they still allow user upgradability, feature all of the ports, and have a user replaceable battery. 


This MacBook Pro incorporates standard storage of 500 GB of a hard disk drive with a speed of 5400 RPM. Despite having this as one of the defaults of 2012 MacBook Pro specs, you can modify the space of this model  with any 2.5″ drive up to 4TB. 

Screen Size and Resolution

This line has 13.3” colored widescreen LED-backlit TFT active-matrix “glossy” display with a 1280 by 800 native resolution at 227 pixels, which can make millions of colors alive and vibrant. It also has scaled resolutions at 1152 by 720, 1024 by 640, and 800 by 500 pixels.

    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


        Processor & Graphics Processing Unit (GPU)

        The MacBook Pro Mid 2012 employs a 22nm “Ivy Bridge” with a 2.5 GHz Intel “Core i5” that has dual independent processor cores all integrated into a single silicon chip. It also comes with a pre-installed MacOS X 10.7.3 (11D2515) with an HD 4000 graphics processor sharing the same system memory for better performance.

        Memory and Architecture

        The model offers 4GB of 1600MHz DDR3 memory, configurable to 16GB.  


        Battery Life

        This MacBook Pro has a built-in 63.5-watt-hour lithium polymer battery that supports 7 hours of wireless web use. Real world testing indicate that the run time of the battery is closer to 2-3 hours.

        This runtime is almost on par with other Macs released. Apple said on a press release that this should last 1000 recharge cycles. This battery can be upgraded by users. 

        md 101lla

        2.5 GHZ Core i5

        4 GB

        (Upgradable to 16GB)

        macbook pro md 101lla a1278
        md 101lla

        500 GB Hard Drive


        Up to 7 Hours


        The Apple MacBook Pro “Core i5” 2.5GHz i5 13” has a standard 4GB RAM. The ram upgrade can be done up to 16GB by the users. This Mac uses 204 pin memory chips.

        This Mac can upgrade to a larger 2.5″ hard drive or solid state drive. Solid state drive produce more speed and are less prone to crash.

        Introduced: June 11, 2012

        Discontinued: October 27, 2016

        Screen Size and Resolution


        Screen Size

        13.3 inches

        Level 1 Cache

        32k/32k x 2



        Level 2/Level 3 Cache

        256k x 2, 3MB


        RAM Type

        PC3-12800 DDR3L


        1 (2 Cores)

        Min. RAM Speed

        1600 MHz



        Standard RAM

        4 GB


        2.5 GHz 

        Maximum RAM

        16 GB


        Core i5 (l5-3210M)

        RAM Slots


        Processor Upgrade


        Motherboard RAM





        System Bus Speed

        5 GT/s

        Video Card

        HD Graphics 4000

        Cache Bus Speed

        2.3 GHz (Built-in)

        VRAM Type




        Standard VRAM

        512 MB

        EFI Architecture


        Maximum VRAM

        768 MB


        Inclusive Features and Ports

        Standard Storage

        500 GB HDD

        Standard Optical Drive

        8X DL “SuperDrive”

        Storage Speed

        5400 RPM

        Standard Ethernet


        Storage Dimensions

        2.5” (9.5 mm)

        Standard Modem


        Storage Interface

        Serial ATA (6 Gb/s)

        Standard Air Port

        802.11a/b/g/n (450 Mbit)


        Standard Bluetooth



        63.5 W h Li-Poly

        USB Port 3.0


        Battery Life

        7 hours

        FireWire 800





        Case Type


        Inclusive Input

        Trackpad (Inertial)

        Form Factor

        MacBook (Unibody)

        SDXC Card Slot


        Apple Order No




        Apple Subfamily

        Mid 2012 13”



        Apple Model Number

        A1278 (EMC 2554)

        Sound Out


        Model ID

        MacBook Pro 9.2

        Power Adapter


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