• The Mojave 10.14.1 update does NOT install properly on unsupported machines, and could result in an unbootable OS. If you want to install the 10.14.1 update (and are not currently running 10.14.1), perform the following steps:. Download the latest version of Mojave Patcher. Download the installer using the Tools menu of Mojave Patcher.
• — The 2007 iMac 7,1 is compatible with Catalina and potentially Big Sur if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300. 2006-2008 MacBooks: MacBook1,1; MacBook2,1; MacBook3,1; MacBook4,1 (as with Mojave and Catalina, we'll be on our own here, but Big Sur will be running on this machine!) 2008 MacBook Air (MacBookAir 1,1).
• Newest compatible operating system: OS X El Capitan 10.11.6 Tech Specs: MacBook Pro (17-inch, Mid 2009) User Guide: MacBook Pro (17-inch, Mid 2009) MacBook Pro (15-inch, Mid 2009) Model Identifier: MacBookPro5,3 Part Numbers: MB985xx/A, MB986xx/A Newest compatible operating system: OS X El Capitan 10.11.6 Tech Specs: MacBook Pro (15-inch, Mid 2009).

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APFS BootROM Support: If you have a machine that supports High Sierra natively, you MUST ensure you have the latest version of the system's BootROM installed. If you have NOT previously installed High Sierra, you can download and install this package (if running OS X 10.10 Yosemite or later) to install the latest BootROM version (you MUST reboot after installing the package to apply the. Specifically, as discovered by OWC, the 13-Inch 'Mid-2010' MacBook Pro models (and only the 13-Inch models) - the MacBook Pro 'Core 2 Duo' 2.4 13' Mid-2010 and 'Core 2 Duo' 2.66 13' Mid-2010 identified by MacBookPro7,1- can support up to 16 GB of RAM with dual 8 GB memory modules if they are running OS X 10.7.5 or higher, have been updated to.

Unibody MacBook Pro Q&A

Update Published May 10, 2016

All Mac Q&As >>Unibody MacBook Pro Q&A | Also See: All MacBook Pro Specs

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How do you upgrade the RAM in the 'Mid-2009' through 'Mid-2012' MacBook Pro models? What type of RAM do they use? How much RAM does each model actually support?

Please note that this Q&A is up-to-date and covers pre-Retina 'Unibody' MacBook Pro models. EveryMac.com also provides details about RAM options for the subsequently introduced Retina Display MacBook Pro line.

The RAM upgrade procedure for the 'Mid-2009,' 'Mid-2010,' 'Early 2011,' 'Late 2011' and non-Retina Display 'Mid-2012' MacBook Pro models is fairly easy. It's not quite as easy as it is for earlier 'pre-Unibody' MacBook Pro systems, as these later models require a screwdriver, but it still is simple and straightforward.

Photo Credit: Apple, Inc. ('Unibody' MacBook Pro Models)

Identification Help

If you're not sure which MacBook Pro you have, these models can be identified by the Model Identifier 'closely enough' to an exact match for the purpose of upgrading the RAM. In turn, each model can be uniquely identified via model identifier and one or more secondary identifiers (like processor speed and/or processor type).

EveryMac.com's Ultimate Mac Lookup feature -- as well as the EveryMac app -- also can uniquely identify these models by the Serial Number, which is listed on the bottom of the notebook in small type toward the hinge, as well as within the operating system alongside the model identifier. More details about specific identifiers are provided in EveryMac.com's extensive Mac Identification section.

To locate the model identifier in software, select 'About This Mac' under the Apple Menu on your computer and click the 'More Info...' button. If the MacBook Pro is running OS X 10.7 'Lion' or later, you will need to click the 'System Report' button after clicking 'More Info...' as well. EveryMac.com has carefully hand documented each model identifier for your convenience.

The model identifiers for each of these models follow:

RAM Types & Actual Maximum RAM Capacities

All of these systems have two memory slots that are accessible by removing the bottom case, but the type of RAM as well as the actual maximum capacity varies for different models. Apple formally recommends that you 'fill both memory slots and install an identical memory module in each slot' for all of these systems.

The 'Mid-2009' and 'Mid-2010' MacBook Pro models support 1066 MHz PC3-8500 DDR3 SO-DIMMs and officially and unofficially support a maximum of 8 GB of RAM with one odd exception.

Specifically, as discovered by OWC, the 13-Inch 'Mid-2010' MacBook Pro models (and only the 13-Inch models) -- the MacBook Pro 'Core 2 Duo' 2.4 13' Mid-2010 and 'Core 2 Duo' 2.66 13' Mid-2010 identified by MacBookPro7,1 -- can support up to 16 GB of RAM with dual 8 GB memory modules if they are running OS X 10.7.5 or higher, have been updated to use the latest EFI, and are equipped with proper specification memory modules. If running a version of Mac OS X 10.6 'Snow Leopard,' these models only can use 8 GB of RAM.

The 'Early 2011' and 'Late 2011' MacBook Pro models use faster 1333 MHz PC3-10600 DDR3 SO-DIMMs. They officially support 8 GB of RAM, but OWC has determined that they actually support 16 GB of RAM regardless of the operating system installed, although only the 'Early 2011' MacBook Pro models are capable of running a version of Mac OS X 10.6 'Snow Leopard.'

Finally, the 'Mid-2012' non-Retina Display MacBook Pro models use faster still 1600 MHz PC3-12800 DDR3 SO-DIMMs and likewise officially support 8 GB of RAM, but actually can support as much as 16 GB of RAM. These models do not run versions of OS X prior to OS X 10.7 'Lion.'

Much like the identification help, these details are easiest to visualize as a chart:

† Officially, these two models support 8 GB of RAM, but they actually can support 16 GB of RAM. However, this is if and only if they are running OS X 10.7.5 or higher, have been updated to use the latest EFI, and are equipped with proper specification memory modules.

* Officially, these models all support 8 GB of RAM, but they actually support 16 GB when running any compatible version of (Mac) OS X.

RAM Upgrade Instructions

Apple explains how to install memory starting on page 35 of the 13-Inch, 15-Inch, and 17-Inch 'Mid-2009', 13-Inch, 15-Inch, and 17-Inch 'Mid-2010,' and 13-Inch, 15-Inch and 17-Inch 'Early 2011' MacBook Pro User Guides, respectively, and this provides most of what you need to know to upgrade the pre-installed memory.

The 'Late 2011' MacBook Pro models are so similar to the 'Early 2011' models that Apple didn't bother to release an updated instruction manual. For the 'Mid-2012' MacBook Pro line, Apple's 'Quickstart' Guide does not cover RAM installation, but the procedure is the same as earlier models.

However, perhaps even better than drawings, OWC provides convenient step-by-step videos of the process for the 13-Inch, 15-Inch, and 17-Inch models alike.

13' MacBook Pro RAM Upgrade Video
Mid-2009, Mid-2010, Early 2011, Late 2011 & Non-Retina Mid-2012

15' MacBook Pro RAM Upgrade Video
Mid-2009, Mid-2010, Early 2011, Late 2011 & Non-Retina Mid-2012

17' MacBook Pro RAM Upgrade Video
Mid-2009, Mid-2010, Early 2011 & Late 2011

After watching these videos, it should be clear that upgrading the RAM is easy. However, if you do not feel comfortable -- or have the time -- to perform the upgrade yourself, hiring a professional always is a good option.

MacBook Pro RAM Purchase Options

Just because RAM meets the minimum listed criteria does not mean that it will necessarily function as intended in a particular Mac. Be sure to buy from a quality vendor that has tested their RAM with your Mac to ensure full compatibility.

In the US (and many other countries), site sponsor Other World Computing sells memory as well as storage for all MacBook Pro models for do-it-yourself upgrades.

In the UK and Ireland, site sponsor Flexx sells MacBook Pro compatible memory with free shipping. The company provides flat rate shipping to France, Germany, and Switzerland and inexpensive shipping for all of Europe, too.

In Canada, site sponsor CanadaRAM sells memory for all MacBook Pro models with guaranteed compatibility, fast shipping, and no customs.

In Germany, site sponsor CompuRAM sells quality memory for all MacBook Pro models with affordable delivery country-wide and in person pick up and professional installation service available in Munich.

In Australia, site sponsors Macfixit and Upgradeable sell MacBook Pro compatible memory with fast shipping, a money-back guarantee and more.

In New Zealand, site sponsor Upgradeable New Zealand sells MacBook Pro memory with fast delivery to all corners of the country, precise compatibility, a lifetime warranty, and a money-back guarantee.

Also see:

• How do you upgrade the hard drive in the 'Mid-2009' through 'Mid-2012' 13-Inch, 15-Inch, and 17-Inch MacBook Pro models? What type of hard drive do these models support? How do you replace the hard drive with an SSD?
• How do you replace the optical drive in the 'Unibody' MacBook Pro models with a hard drive or SSD? Is it possible?
  

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Your Mac provides several tools to help you identify it. The simplest is About This Mac, available by choosing About This Mac from the Apple menu  in the upper-left corner of your screen. The other is the System Information app. Learn how to use these tools to identify your Mac.

If you don’t have your Mac or it doesn’t start up, use one of these solutions instead:

• Find the serial number printed on the underside of your Mac, near the regulatory markings. It’s also on the original packaging, next to a barcode label. You can then enter that serial number on the Check Coverage page to find your model.
• The original packaging might also show an Apple part number, such as MLH12xx/A (“xx” is a variable that differs by country or region). You can match the Apple part number to one in the list below to find your model.

List of MacBook Pro models

MacBook Pro models are organized by the year they were introduced, starting with the most recent. Click the model name for detailed technical specifications.

MacBook Pro models from late 2013 and newer can run the latest version of macOS. For older models, the latest compatible operating system is noted.

2020

MacBook Pro (13-inch, M1, 2020)
Colors: Silver, space gray
Model Identifier: MacBookPro17,1
Part Numbers: MYD83xx/A, MYD92xx/A, MYDA2xx/A, MYDC2xx/A
Tech Specs: MacBook Pro (13-inch, M1, 2020)
User Guide: MacBook Pro (13-inch, M1, 2020)

MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro16,3
Part Numbers: MXK32xx/A, MXK52xx/A, MXK62xx/A, MXK72xx/A
Tech Specs: MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports)

MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro16,2
Part Numbers: MWP42xx/A, MWP52xx/A, MWP62xx/A, MWP72xx/A, MWP82xx/A
Tech Specs: MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports)

2019

MacBook Pro (16-inch, 2019)
Colors: Silver, space gray
Model Identifier: MacBookPro16,1, MacBookPro16,4
Part Numbers: MVVJ2xx/A, MVVK2xx/A, MVVL2xx/A, MVVM2xx/A
Tech Specs: MacBook Pro (16-inch, 2019)
User guide: MacBook Pro (16-inch, 2019)

MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro15,4
Part Numbers: MUHN2xx/A, MUHP2xx/a, MUHQ2xx/A, MUHR2xx/A, MUHR2xx/B
Tech Specs: MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)

MacBook Pro (15-inch, 2019)
Colors: Silver, space gray
Model Identifier: MacBookPro15,1, MacBookPro15,3
Part Numbers: MV902xx/A, MV912xx/A, MV922xx/A, MV932xx/A, MV942xx/A, MV952xx/A
Tech Specs: MacBook Pro (15-inch, 2019)
User Guide: MacBook Pro (15-inch, 2019)

MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro15,2
Part Numbers: MV962xx/A, MV972xx/A, MV982xx/A, MV992xx/A, MV9A2xx/A
Tech Specs: MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2019, Four Thunderbolt 3 ports)

2018

MacBook Pro (15-inch, 2018)
Colors: Silver, space gray
Model Identifier: MacBookPro15,1
Part Numbers: MR932xx/A, MR942xx/A, MR952xx/A, MR962xx/A, MR972xx/A, MUQH2xx/A
Tech Specs: MacBook Pro (15-inch, 2018)
User Guide: MacBook Pro (15-inch, 2018)

MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro15,2
Part Numbers: MR9Q2xx/A, MR9R2xx/A, MR9T2xx/A, MR9U2xx/A, MR9V2xx/A
Tech Specs: MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2018, Four Thunderbolt 3 ports)

2017

MacBook Pro (15-inch, 2017)
Colors: Silver, space gray
Model Identifier: MacBookPro14,3
Part Numbers: MPTR2xx/A, MPTT2xx/A, MPTU2xx/A, MPTV2xx/A, MPTW2xx/A, MPTX2xx/A
Tech Specs: MacBook Pro (15-inch, 2017)
User Guide: MacBook Pro (15-inch, 2017)

MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro14,2
Part Numbers: MPXV2xx/A, MPXW2xx/A, MPXX2xx/A, MPXY2xx/A, MQ002xx/A, MQ012xx/A
Tech Specs: MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2017, Four Thunderbolt 3 ports)

MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro14,1
Part Numbers: MPXQ2xx/A, MPXR2xx/A, MPXT2xx/A, MPXU2xx/A
Tech Specs: MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)

2016

MacBook Pro (15-inch, 2016)
Colors: Silver, space gray
Model Identifier: MacBookPro13,3
Part Numbers: MLH32xx/A, MLH42xx/A, MLH52xx/A, MLW72xx/A, MLW82xx/A, MLW92xx/A
Tech Specs: MacBook Pro (15-inch, 2016)
User Guide: MacBook Pro (15-inch, 2016)

MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro13,2
Part Numbers: MLH12xx/A, MLVP2xx/A, MNQF2xx/A, MNQG2xx/A, MPDK2xx/A, MPDL2xx/A
Tech Specs: MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2016, Four Thunderbolt 3 ports)

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MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports)
Colors: Silver, space gray
Model Identifier: MacBookPro13,1
Part Numbers: MLL42xx/A, MLUQ2xx/A
Tech Specs: MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports)
User Guide: MacBook Pro (13-inch, 2016, Two Thunderbolt 3 ports)

2015

MacBook Pro (Retina, 15-inch, Mid 2015)
Model Identifier: MacBookPro11,4, MacBookPro11,5
Part Number: MJLQ2xx/A, MJLT2xx/A, MJLU2xx/A
Tech Specs: MacBook Pro (Retina, 15-inch, Mid 2015)
User Guide: MacBook Pro (Retina, 15-inch, Mid 2015)

MacBook Pro (Retina, 13-inch, Early 2015)
Model Identifier: MacBookPro12,1
Part Numbers: MF839xx/A, MF840xx/A, MF841xx/A, MF843xx/A
Tech Specs: MacBook Pro (Retina, 13-inch, Early 2015)
User Guide: MacBook Pro (Retina, 13-inch, Early 2015)

2014

MacBook Pro (Retina, 15-inch, Mid 2014)
Model Identifier: MacBookPro11,2, MacBookPro11,3
Part Number: MGXC2xx/A, MGXA2xx/A
Tech Specs: MacBook Pro (Retina, 15-inch, Mid 2014)
User Guide: MacBook Pro (Retina, 15-inch, Mid 2014)

MacBook Pro (Retina, 13-inch, Mid 2014)
Model Identifier: MacBookPro11,1
Part Numbers: MGX72xx/A, MGX82xx/A, MGX92xx/A
Tech Specs: MacBook Pro (Retina, 13-inch, Mid 2014)
User Guide: MacBook Pro (Retina, 13-inch, Mid 2014)

2013

MacBook Pro (Retina, 15-inch, Late 2013)
Model Identifier: MacBookPro11,2, MacBookPro11,3
Part Number: ME293xx/A, ME294xx/A
Tech Specs: MacBook Pro (Retina, 15-inch, Late 2013)
User Guide: MacBook Pro (Retina, 15-inch, Late 2013)

MacBook Pro (Retina, 13-inch, Late 2013)
Model Identifier: MacBookPro11,1
Part Numbers: ME864xx/A, ME865xx/A, ME866xx/A
Tech Specs: MacBook Pro (Retina, 13-inch, Late 2013)
User Guide: MacBook Pro (Retina, 13-inch, Late 2013)

MacBook Pro (Retina, 15-inch, Early 2013)
Model Identifier: MacBookPro10,1
Part Numbers: ME664xx/A, ME665xx/A
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (Retina, 15-inch, Early 2013)
User Guide: MacBook Pro (Retina, 15-inch, Early 2013)

MacBook Pro (Retina, 13-inch, Early 2013)
Model Identifier: MacBookPro10,2
Part Numbers: MD212xx/A, ME662xx/A
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (Retina, 13-inch, Early 2013)
User Guide: MacBook Pro (Retina, 13-inch, Early 2013)

2012

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MacBook Pro (Retina, 13-inch, Late 2012)
Model Identifier: MacBookPro10,2
Part Numbers: MD212xx/A, MD213xx/A
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (Retina, 13-inch, Late 2012)
User Guide: MacBook Pro (Retina, 13-inch, Late 2012)

MacBook Pro (Retina, 15-inch, Mid 2012)
Model Identifier: MacBookPro10,1
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (Retina, 15-inch, Mid 2012)
User Guide: MacBook Pro (Retina, 15-inch, Mid 2012)

MacBook Pro (15-inch, Mid 2012)
Model Identifier: MacBookPro9,1
Part Numbers: MD103xx/A, MD104xx/A
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (15-inch, Mid 2012)
User Guide: MacBook Pro (15-inch, Mid 2012)

MacBook Pro (13-inch, Mid 2012)
Model Identifier: MacBookPro9,2
Part Numbers: MD101xx/A, MD102xx/A
Newest compatible operating system: macOS Catalina 10.15.7
Tech Specs: MacBook Pro (13-inch, Mid 2012)
User Guide: MacBook Pro (13-inch, Mid 2012)

2011

MacBook Pro (17-inch, Late 2011)
Model Identifier: MacBookPro8,3
Part Number: MD311xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (17-inch, Late 2011)

MacBook Pro (15-inch, Late 2011)
Model Identifier: MacBookPro8,2
Part Numbers: MD322xx/A, MD318xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (15-inch, Late 2011)
User Guide: MacBook Pro (15-inch, Late 2011)

MacBook Pro (13-inch, Late 2011)
Model Identifier: MacBookPro8,1
Part Numbers: MD314xx/A, MD313xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (13-inch, Late 2011)
User Guide: MacBook Pro (13-inch, Late 2011)

MacBook Pro (17-inch, Early 2011)
Model Identifier: MacBookPro8,3
Part Number: MC725xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (17-inch, Early 2011)

MacBook Pro (15-inch, Early 2011)
Model Identifier: MacBookPro8,2
Part Numbers: MC723xx/A, MC721xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (15-inch, Early 2011)
User Guide: MacBook Pro (15-inch, Early 2011)

MacBook Pro (13-inch, Early 2011)
Model Identifier: MacBookPro8,1
Part Numbers: MC724xx/A, MC700xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (13-inch, Early 2011)
User Guide: MacBook Pro (13-inch, Early 2011)

2010

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MacBook Pro (17-inch, Mid 2010)
Model Identifier: MacBookPro6,1
Part Number: MC024xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (17-inch, Mid 2010)

MacBook Pro (15-inch, Mid 2010)
Model Identifier: MacBookPro6,2
Part Numbers: MC373xx/A, MC372xx/A, MC371xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (15-inch, Mid 2010)

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MacBook Pro (13-inch, Mid 2010)
Model Identifier: MacBookPro7,1
Part Numbers: MC375xx/A, MC374xx/A
Newest compatible operating system: macOS High Sierra 10.13.6
Tech Specs: MacBook Pro (13-inch, Mid 2010)

2009

MacBook Pro (17-inch, Mid 2009)
Model Identifier: MacBookPro5,2
Part Number: MC226xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (17-inch, Mid 2009)
User Guide: MacBook Pro (17-inch, Mid 2009)

MacBook Pro (15-inch, Mid 2009)
Model Identifier: MacBookPro5,3
Part Numbers: MB985xx/A, MB986xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (15-inch, Mid 2009)
User Guide: MacBook Pro (15-inch, Mid 2009)

MacBook Pro (15-inch, 2.53GHz, Mid 2009)
Model Identifier: MacBookPro5,3
Part Number: MC118xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (15-inch, 2.53GHz, Mid 2009)
User Guide: MacBook Pro (15-inch, 2.53GHz, Mid 2009)

MacBook Pro (13-inch, Mid 2009)
Model Identifier: MacBookPro5,5
Part Numbers: MB991xx/A, MB990xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (13-inch, Mid 2009)
User Guide: MacBook Pro (13-inch, Mid 2009)

Macbook Pro 5 1 Latest Os 10.13

MacBook Pro (17-inch, Early 2009)
Model Identifier: MacBookPro5,2
Part Number: MB604xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (17-inch, Early 2009)
User Guide: MacBook Pro (17-inch, Early 2009)

2008

Macbook Pro 5 1 Latest Os 10.12

MacBook Pro (15-inch, Late 2008)
Model Identifier: MacBookPro5,1
Part Number: MB470xx/A, MB471xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (15-inch, Late 2008)
User Guide: MacBook Pro (15-inch, Late 2008)

MacBook Pro (17-inch, Early 2008)
Model Identifier: MacBookPro4,1
Part Number: MB166xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (17-inch, Early 2008)
User Guide: MacBook Pro (17-inch, Early 2008)

MacBook Pro (15-inch, Early 2008)
Model Identifier: MacBookPro4,1
Part Number: MB133xx/A, MB134xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
Tech Specs: MacBook Pro (15-inch, Early 2008)
User Guide: MacBook Pro (15-inch, Early 2008)

Learn more