SOLVED: Which RAM is suitable? 1866 MHz or 2133 MHz DDR3L? - MacBook Pro 15" Unibody Mid 2012 - iFixit
![Timetec 8GB Compatible for Apple DDR3L 1600MHz PC3L-12800 for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com Timetec 8GB Compatible for Apple DDR3L 1600MHz PC3L-12800 for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com](https://m.media-amazon.com/images/I/716Vf8vWnmL.jpg)
Timetec 8GB Compatible for Apple DDR3L 1600MHz PC3L-12800 for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM at Amazon.com
![Timetec Hynix IC Apple 8GB DDR3L 1600MHz PC3L-12800 SODIMM Memory upgrade For MacBook Pro 13-inch/15-inch Mid 2012, iMac 21.5-inch Late 2012/ Early/Late 2013 (8GB) - Walmart.com Timetec Hynix IC Apple 8GB DDR3L 1600MHz PC3L-12800 SODIMM Memory upgrade For MacBook Pro 13-inch/15-inch Mid 2012, iMac 21.5-inch Late 2012/ Early/Late 2013 (8GB) - Walmart.com](https://i5.walmartimages.com/asr/42f19255-d9ee-4309-9829-5556cc42bf61_1.c399f63227ecc7e0f0ebeee9eda5eb7c.jpeg)
Timetec Hynix IC Apple 8GB DDR3L 1600MHz PC3L-12800 SODIMM Memory upgrade For MacBook Pro 13-inch/15-inch Mid 2012, iMac 21.5-inch Late 2012/ Early/Late 2013 (8GB) - Walmart.com
![78AP16NUSL1R8 Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 R 78AP16NUSL1R8 Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 R](https://c.shld.net/rpx/i/s/pi/mp/27954/prod_15299288717?src=https%3A%2F%2Fimages-na.ssl-images-amazon.com%2Fimages%2FI%2F61qdRo5sY6L.jpg&d=a2b8b1724044a4144476f9dffe17502863fa69e4&hei=1000&wid=1000)
78AP16NUSL1R8 Timetec 32GB KIT(4x8GB) Compatible for Apple DDR3L 1600MHz PC3L-12800 CL11 for iMac (Mid 2011, Late 2012, Late 2013, Late 2014 R
![Restored Apple MacBook Pro 13" MD101LL/A Intel i5-3210M 2.50GHz 4GB RAM 500GB HDD OSX (Refurbished) - Walmart.com Restored Apple MacBook Pro 13" MD101LL/A Intel i5-3210M 2.50GHz 4GB RAM 500GB HDD OSX (Refurbished) - Walmart.com](https://i5.walmartimages.com/asr/a2f03ca1-4fc9-4f05-b7f9-e024518565c3_1.e7dc387b1a5ec6520f79265b5e474d08.jpeg)
Restored Apple MacBook Pro 13" MD101LL/A Intel i5-3210M 2.50GHz 4GB RAM 500GB HDD OSX (Refurbished) - Walmart.com
![A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com](https://m.media-amazon.com/images/I/81TKWL0zmaL.jpg)
A-Tech 8GB RAM for Apple MacBook Pro (Mid 2012), iMac (Late 2012, Early/Late 2013, Late 2014, Mid 2015), Mac Mini (Late 2012) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
![OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com](https://m.media-amazon.com/images/I/81IxWvpgt5L.jpg)
OWC 8GB (2 x 4GB) PC12800 DDR3L 1600MHz SO-DIMMs Memory Compatible with 2011-2015 iMac, 2011-12 Mac Mini, and 2011-2012 MacBook Pro (Non-Retina Display) Models (OWC1600DDR3S08S) at Amazon.com
![upgrade - 32gb of RAM on a 2011 or 2012 15/17-inch MacBook Pro using Crucial's 16gb single DIMMs - Ask Different upgrade - 32gb of RAM on a 2011 or 2012 15/17-inch MacBook Pro using Crucial's 16gb single DIMMs - Ask Different](https://i.stack.imgur.com/aTiNs.jpg)
upgrade - 32gb of RAM on a 2011 or 2012 15/17-inch MacBook Pro using Crucial's 16gb single DIMMs - Ask Different
![Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics](https://m.media-amazon.com/images/I/71gkO+fojnL.jpg)
Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3L 1600MHz for Mac Book Pro (Early/Late 2011,Mid 2012), iMac(Mid 2011,Late 2012,Early/Late 2013,Late 2014,Mid 2015), Mac Mini(Mid 2011,Late 2012) MAC RAM : Electronics
![parts-quick 8GB Memory for Apple MacBook Pro 13-inch and 15-inch (Mid 2012) DDR3L 1600MHz PC3L-12800 SODIMM Compatible RAM at Amazon.com parts-quick 8GB Memory for Apple MacBook Pro 13-inch and 15-inch (Mid 2012) DDR3L 1600MHz PC3L-12800 SODIMM Compatible RAM at Amazon.com](https://m.media-amazon.com/images/I/61x8ZJK9HFL.jpg)
parts-quick 8GB Memory for Apple MacBook Pro 13-inch and 15-inch (Mid 2012) DDR3L 1600MHz PC3L-12800 SODIMM Compatible RAM at Amazon.com
![Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch), Mac Mini (Mid 2010) Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 RAM for Mac Book (Mid 2010 13-inch), Mac Book Pro (Mid 2010 13-inch), iMac (Late 2009 27-inch), Mac Mini (Mid 2010)](https://images-na.ssl-images-amazon.com/images/I/71Ka4bpBOyL._AC_UL600_SR600,600_.jpg)