We provide RAM upgrades with 100% success rate on these specific models with 1 Year warranty: 1. MacBook Pro (13-­inch, 2019, Four Thunderbolt 3 Ports) - 16GB RAM 2. MacBook Pro (13-­inch, 2019, Two Thunderbolt 3 Ports) - 16GB RAM 3. MacBook Pro (13-­inch, 2018, Four Thunderbolt 3 Ports) - 16GB RAM 4. MacBook Pro (13­-inch, 2017, Two Thunderbolt 3 Ports) - 16GB RAM 5. MacBook Pro (13-­inch, 2016, Two Thunderbolt 3 Ports) - 16GB RAM 6. MacBook Pro (13-­inch, 2017, Four Thunderbolt 3 Ports) - 16GB RAM 7. MacBook Pro (13-­inch, 2016, Four Thunderbolt 3 Ports) - 16GB RAM 8. MacBook Air (13-inch, 2017) - 16GB RAM 9. MacBook Air (13-inch, Early 2015) - 16GB RAM 10. MacBook Air (11-inch, Early 2015) - 16GB RAM 11. MacBook Pro (Retina, 13-inch, Early 2015) - 16GB RAM 12. iMac (21.5-inch, Late 2015) - 16GB RAM 13. MacBook Air (11-inch, Early 2014) - 8GB RAM 14. MacBook Air (13-inch, Early 2014) - 8GB RAM 15. Mac Mini (Late 2014) - 16GB RAM 16. MacBook Air (13-inch, Mid 2013) - 8GB RAM 17. MacBook Air (11-inch, Mid 2013) - 8GB RAM To do list (T2 series Mac): 1. MacBook Pro (16-inch, Touch/2019) - 64GB/32GB RAM 2. MacBook Pro (15-inch, Touch/2019) - 64GB/32GB RAM 3. MacBook Pro (15-inch, Touch/2018) - 32GB RAM 4. MacBook Pro (13-inch, Touch/2020) - 32GB RAM Contact Us: https://www.facebook.com/Logicboard.Macbook/ main.iboff@gmail.com