Dogfish 256GB SSD for MacBook M.2 2280 NVMe PCIe Gen3x4, Internal Air A1466 A1465(2013 2017)/MacBook Pro A1398 A1502(Retina 2013 2015)/iMac A1419 A1418

[Upgrade for your MacBook]: You can replace the SSD to increase the capacity and processing speed to extend your MacBook Air or Macbook Pro, iMac. Compatible with Mabook Air A1465 / A1466, Macbook Pro (Retina) A1502 / A1398, iMac A1419. Data Security: The NVMe M.2 SSD works stably and protects your data, as well as the encryption program. It is a good choice to save videos, pictures, office data, etc. in your computer. PS: Back up your original data to avoid any installation errors. [High Speed]: With Dogfish PCIE SSD, upgrade your MacBook, read speed is up to 2150MB/s, write speed 1650MB/s (1TB). Faster startup times, faster application load times, and improved system responsiveness, giving you a smoother experience in gaming or everyday office work. IMPORTANT NOTE: Before removal, your old original SSD needs to be upgraded to macOS 10.13 or higher. If the original SSD was installed with macOS 10.12 or earlier operating system, the new SSD will not be recognized after replacement. To reinstall macOS on the replaced SSD, start and press "Command+Option+R". Go to "macOS Utilities" to format the SSD and then install the operating system. [Quiet & Cooler]: Since the Mac SSD has no metal plates and read/write arms in SSDs, it is free of mechanical parts. Therefore, when the solid state drive in operations it produces no noise. It also dissipates less heat and heat can negatively affect your computer's performance.