Apple MacBook Pro MD314LL/A “Core i7” 2.8

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13″ Late 2011 Specs

MacBook Pro Late 2011 13″ – MD314LL/A – MacBookPro8,1 – A1278 – 2555

About this MacBook Pro

Apple continued the production of the MacBook Pro in late 2011 by introducing the MacBook Pro MD314LL A with a Core i7 processor with 4 GB of 1333 MHz DDR3 SDRAM (PC3 – 10600) and 750 GB of hard drive space. There is the inclusion of the Thunderbolt standard port that supports 10 Gbps of bandwidth in both directions similar to the MD311LL A and is also used by peripherals as it could support resolutions as high as 2560×1600 and audio signal.

2.8 GHz Core i7

4 GB

750 GB HDD

7 Hours

Storage & Memory

The MacBook Pro comes with a750 GB of 6 Gb/s Serial ATA (5400 RPM) hard disk drive.

Screen Size and Resolution

This MacBook Pro is a 13.3” screen version with a widescreen TFT active matrix and a 1280×800 resolution. The screen is also LED-backlit. MD318LL/A is recommended if you are looking for MBP with the same type of screen but wider.

OS & Processor

This MacBook Pro comes with a pre-installed MacOS X 10.7.2 (11C74), 2.8 GHz Intel Core i7 2640M (Sandy Bridge) processor, and an Intel HD Graphics 3000 graphics processor that shares 384 MB of memory with the system, unlike MD313LL/A that has 2.4 GHz processor.

Battery

The MacBook Pro comes with a 63.5-watt-hour lithium polymer battery that provides 7 hours of wireless web use.

Memory & Architecture

Your applications installed on the MacBook Pro are also guaranteed to run faster with a 256k level 2 cache and a 4 MB Level 3 cache plus a 5 GT/s frontside bus with 4 GB of 1333 MHz DDR3 SDRAM (PC3 – 10600) for its RAM, all this is centered around a 64-Bit architecture.

Upgradability

The MD314LL AMacBook 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 can also be upgraded from its pre-installed MacOS X 10.7.2 (11C74) to up to current MacOS X. It can also be a host to the Windows OS 7 (32-Bit) at a minimum and accommodate operating system as high as the Windows 8.1 (64-Bit). This MacBook Pro comes with dimensions of 0.95 in ×12.78 in ×8.94 in and a weight of 4.5 lbs (2.04 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 2.1+ EDR 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 2.0 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 support 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: October 24, 2011		Discontinued: June 11, 2012
Screen Size and Resolution		Memory
Screen Size	13.3″ Widescreen	Level 1 Cache	32k/32k x 2
Resolution	1280×800	Level 2/Level 3 Cache	256k x 2, 4 MB
Processor		RAM Type	PC3-10600 DDR3
Processors	1 (2 Cores)	Min. RAM Speed	1333 MHz
Architecture	64-Bit	Standard RAM	4 GB
Speed	2.8 GHz	Maximum RAM	16 GB
Type	Core i7 (I7-2640M)	RAM Slots	2
Processor Upgrade	Soldered	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	5 GT/s	Video Card	HD Graphics 3000
Cache Bus Speed	2.8 GHz (Built-in)	VRAM Type	Integrated
ROM/Firmware	EFI	Standard VRAM	384 MB
EFI Architecture	64-Bit	Maximum VRAM	512 MB
Storage		Inclusive Features and Ports
Standard Storage	750 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 Air Port	802.11a/b/g/n (450 Mbit)
Battery		Standard Bluetooth	2.1+EDR
Type	63.5 W h Li-Poly	USB Ports	2 (2.0)
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	One
Apple Order No	MD314LL/A	Microphone	1
Apple Subfamily	Late 2011 13”	Headphone	1
Apple Model Number	A1278 (EMC 2555)	Sound Out	1
Model ID	MacBook Pro 8,1	Power Adapter	1

Identifier reference: MD314LL/A, A1278, EMC 2555, MacBook Pro 8,1. 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: MD314LL/A
Model Number: A1278
EMC: 2555
Model ID: MacBook Pro 8,1
Year: 2018

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Next steps

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Common questions

Is MD314LL/A the same as A1278?

Not exactly. MD314LL/A usually points to a specific retail configuration, while A1278 identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What MacBook Pro is model A1278?

A1278 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 2555 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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