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

[Update for your MacBook]: You can replace the SSD to increase the capacity and processing speed to extend the life of your MacBook Air or Macbook Pro, iMac. Perfectly compatible with Mabook Air A1465 / A1466, Macbook Pro (Retina) A1502 / A1398, iMac A1419. [Data Safety]: The nvme m.2 SSD run stablely and protect your data well as the encryption program. It is a good choice to save your video, pictures, Office data etc. in your computer. PS: back up your original data, to avoid any failed installation. [High Speed]: With Dogfish PCIE SSD, greatly upgrade your Macbook, read speed is up to 2150MB/s, write speed 1650MB/s (1TB). Faster boot times, faster application loading times and better system responsiveness, provide you a smoother experience in games or daily office. [IMPORTANT NOTE] Before removal, your old original SSD needs to be updated to mac OS 10.13 or higher. If the original SSD was installed with the mac OS 10.12 or earlier, the new SSD will not be recognized after replacement. To reinstall macOS on the replaced SSD, Boot and press "Command+Option+R". Go into "macOS Utilities" to format SSD then install OS. Quiet and cooler: due to the Mac SSD is no metal platters and read/write arms in SSDs, non-mechanical. Therefore, when the solid state drive in operations it produces no noise at all. They also dissipate less heat and heat can negatively impact computer performance, so less heat is good.