Quality Solutions. Expert Support. Since 1988.

MacSales.com Logo

MacSales.com Special Offers Available

*Now* Receive Parallels Desktop for Mac - Windows/Multi OS Compatibility software - a $79.95 Value, FREE with this Mac! (1 free license per Mac) (Limit 3)
$24.00 off Instant Rebate on OWC Thunderbolt 2 Dock with select Thunderbolt-enabled New & Pre-Owned Macs (limit 1 Dock rebate per Mac)
Click Here for qualifying items

Apple 15-inch MacBook Pro:

16GB Memory | 1.0TB Storage

2.3GHz Intel Core i7 Processor

MD103LL/A (Mid 2012)

Used | Very Good Condition
System Configuration:
  • Memory:
    • 16GB (2 x 8GB) PC12800 1600MHz DDR3
  • Storage:
    • 1.0TB 7200RPM HDD
  • Optical Drive:
    • 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
  • Networking:
    • Built-in AirPort Extreme Wi-Fi
    • Built-in Bluetooth 4.0
    • Built-in 10/100/1000BASE-T Gigabit Ethernet
    • One Thunderbolt port
  • Video:
    • 15.4" LED-Backlit Glossy 1440 x 900 Display
    • NVIDIA GeForce GT 650M / Intel HD Graphics 4000
    • Mini DisplayPort via Thunderbolt digital video output for adding 2nd Display
  • Pre-Loaded/Licensed Software:
    • Pre-loaded with Apple macOS Sierra 10.12
OWC Tested. Quality You Can Trust.
OWC individually inspects and fully tests every pre-owned computer to confirm full functionality and accurate grading. All refurbishments and/or upgrades are performed by our Apple Certified Technicians. That's why OWC is the most trusted name in Mac refurbishments.
Experience huge savings on MacBook Pro!
Any iteration of the MacBook Pro is a fully-functional portable workstation, and when purchased used, through OWC, you can get one of the most powerful laptops available at a fraction of the price of buying new. This 2012 MacBook Pro features a 15-inch glossy screen.
Powered by a 2.3GHz Intel Core i7 "Ivy Bridge" processor (4 Total Cores)
This notebook features 4 cores on a single silicon chip. Each core has a dedicated 256k level 2 cache, shares 6MB of level 3 cache, and has an integrated dual channel memory controller. What's that all mean? It means this baby is fast!
1.0TB 7200RPM Hard Drive
This machine comes with a 1.0TB 7200RPM hard drive, which is an adequate starting point for any laptop computer. A hard drive is a great economical way to add and store tons of data to archive or work from. Need to carry more data with you? OWC offers several 2.5-inch SATA drives to choose from including Solid State Drives for the fastest access to your data possible.
16GB of Memory
This MacBook Pro is champing at the bit to get to work. With 16GB of memory you can multi-task with efficiency and experience less lag time with launching and saving applications. If you need more memory, you can expand to 16GB with this model MacBook Pro.
Gigabit Ethernet, Wi-Fi and Bluetooth Networking
This MacBook Pro, in addition to the RJ-45 port which supports 10/100/1000BASE-T (aka. Gigabit Ethernet) networks, also has Bluetooth 4.0 and 802.11n Wi-Fi already built in. So you're covered for all your wired and wireless connection needs.


  • Apple 15-inch MacBook Pro
  • Upgrades pre-installed:
    • None
  • Apple 85W MagSafe AC adapter with AC 'flip plug' wall adapter
  • Battery, tested good, with no less than 70% of original capacity
  • macOS Sierra 10.12 Pre-installed
Software restore disks, keyboard & mouse not included

Machine Specifications

MacBook Pro
Apple MacBook Pro - Mid 2012*
2.3GHz i7
Model ID: MacBookPro9,1 View how to find model ID

Processor / Memory

  • 2.3GHz Quad-core Intel Core i7
    • Turbo Boost up to 3.3GHz
    • 6MB on-chip shared L3 cache
    • Supports Hyper Threading
  • RAM: 16GB (two 8GB SO-DIMMs)
  • 1600MHz DDR3 SO-DIMM PC12800 memory
  • Two memory slots
OWC Memory Upgrades: Add up to 16GB of memory. OWC certified for up to 16GB of memory.

Internal Drives

  • SATA Revision 3.0 (6Gb/s) Hard Drive Bus
  • One 2.5-inch Hard Drive Bay
    • 1.0TB 7200RPM Hard Drive
  • SATA Revision 3.0 (6Gb/s) Optical Drive Bus
  • 8x slot-loading SuperDrive (DVD±R DL/DVD±RW/CD-RW)
    Maximum read: 8x DVD-R, DVD+R, DVD-ROM; 6x DVD-ROM (double layer DVD-9), DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, and DVD+RW; 24x CD
    Maximum write: 8x DVD-R, DVD+R; 4x DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 24x CD-R; 10x CD-RW
Hard drive upgrade: Add up to 2.0TB of HDD storage*
Add an External Optical Drive: Blu-ray or DVD options available
OWC SSD upgrade: Upgrade to OWC SSD performance


  • SDXC card slot
  • Two USB 3.0 ports
  • FireWire 800 port
  • 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
  • Audio in 3.5mm minijack
  • Audio out 3.5mm minijack


  • MagSafe power port
  • Line voltage: 100-240V AC
  • Frequency: 50Hz to 60Hz, single phase
  • Built-in 77.5-watt-hour lithium-polymer battery
    • Up to 7 hours wireless web
  • Operating temperature: 50° to 95° F (10° to 35° C)
  • Storage tempareature: -13° to 113° F (-24° to 45° C)
  • Relative humidity: 0% to 90% noncondensing
  • Maximum operating altitude: 10,000 feet


  • 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
  • Bluetooth 4.0 wireless technology
  • 10/100/1000BASE-T Ethernet (RJ-45)


  • Stereo speakers with subwoofers
  • Omnidirectional microphone
  • Audio line in minijack (digital/analog)
  • Audio line out/headphone minijack (digital/analog)
  • Support for Apple iPhone headset with microphone

Display / Monitor Capability

  • 15.4-inch (diagonal) LED-backlit glossy display with TFT technology
    • 1440 by 900 resolution at 110 pixels per inch with support for millions of colors
  • 16:10 aspect ratio

Graphics / Video

  • NVIDIA GeForce GT 650M with 512MB of dedicated GDDR5 SDRAM and Intel HD Graphics 4000 with memory shared with main system
  • Automatic graphics switching
  • 720p FaceTime HD camera
  • Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display
  • Support for dual display and video mirroring

Keyboard / Mouse

  • Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted "T" arrangement) with ambient light sensor
  • Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities

Dimensions / Weight

Height: 0.95" (2.41cm)
Width: 14.35" (36.4cm)
Depth: 9.82" (24.9cm)
Weight: 5.6lb. (2.56kg)

Very Good Condition

Very Good Condition: These units show some use, but not abuse. They may have dings, scuffs, pocks, screen key marks (normal wear and largely unnoticeable when system is in use), and/or scratches from prior use, but are in better than average condition. The power supply may have reinforced cable patching. Any pixel anomalies are within manufacturer guidelines for a new system. Images shown are examples from actual units, but exact unit condition will vary. Display is noted to be of fully functional condition.


The best warranty is one you never have to use - but should the need occur - we're proud to provide a superior level of support and service coverage to our customers.

Apple 15-inch MacBook Pro

90 Day OWC Fulfilled Limited Warranty
Other World Computing (OWC) fully inspects and tests each pre-owned Mac for the full functionality as listed and offers a limited parts and labor warranty to the original purchaser that this MacBook Pro will be free from defects in material and workmanship for a period of 90 days from the original date of purchase.

14 Day Money-Back Return Policy

If you change your mind or determine this isn't the right Apple for you, you may contact OWC within 14 days of the original invoice date to request a return of this item for refund. See the full Return Policy for Used Macs and Factory Sealed Systems for more details.
Apple 15-inch MacBook Pro 2.3GHz Intel Core i7 Processor Mfr P/N: MD103LL/A MacSales.com SKU: UAML1H7COB21XXC MD103LL/A Mid 2012
Used in Very Good Condition.
90 Day OWC Fulfilled Limited Warranty Ships: Within 24 Hours
Supply Limited: 9 available
Only $2,349.00MacSales.com Price $1,129.00
Add to CartApple MD103LL/A In Stock, Click to Buy Now