Dogfish 1TB SSD for Mac book NVMe PCIe Gen3x4, Internal SSD for MacBook Air A1466 A1465(2013-2017)/MacBook Pro A1398 A1502(Retina 2013-2015)/iMac A1419 A1418

IMPORTANT NOTE Before installation, please back up your original data to USB drive and update your old original SSD to mac OS 10.13 High Sierra or Later version. If not, the new SSD will not be recognized after replacement.If your mac does not recognize the drive, then back to the step. SSD for MacBook Upgrade: Replace the SSD to increase the capacity and processing speed up to 2150MBs. Perfectly ( - ), ( - ), ( - ), , . : , , . Reinstall MacOS: 3 ways to install macOS: From Time Machine Backup; Make USB Installer;From Internet Recovery. You can check some video on Amazon, or check our installation manual in listing documents, or there are simple steps in the product description below. Remember to Reformat(Erase) the new SSD before Restore the MacOS. High Speed & Safety: With storage options 256GB, 512GB, 1TB and 2TB for you, NVMe PCIe SSD read speed up to 2150 MB/s, write speed 1650 MB/s (1TB). Faster boot times, faster application loading times and better system responsiveness. With the Encryption program, protect your data safely. Warranty: We provide 5 years warranty and lifetime tech support. If you have any questions when you receive the SSD drive for Macbook, please feel free to contact us. We'll be glad to help you solve the problems. Your satisfaction is our ultimate goal.