Write and Read: 512GB NVMe 3D TLC NAND PCIe 3.0 x4 SSD fast speed up to: Read 1850MB/S, Write 1450MB/S. 1: 1 design according to the original SSD interface, it provides a perfect upgrade solution for your Macbook Air/Pro/iMac without using any adapter card. (Different models of machines may test different read and write speeds.)
Important note: macOS 10.13 High Sierra (or later OS) must be installed on the Mac before installing the new ssd. These OS versions include an EFI firmware update for your Mac. Without the update, the new SSD will not be recognized.
Compatible with: MacBook Air A1465 A1466 Mid2013-Mid2017, MacBook Pro A1502 A1398 Late2013-Mid2015, iMac A1418 A1419 Late2013-Mid2017.There is a very detailed table of supported models in the listing images. Please check carefully.The EMC number is the best way to match
Order contains: 1 x PCIe NVMe High-Speed SSD(Pre-loaded with Catalina), 1 x16GB USB Bootable Installer (Big Sur), 2 xScrewdrivers (For removing the back panel and ssd screws), Very detailed SSD installation guide (scan the QR code on the label)
About warranty: We provide 3-year worry-free warranty. If you have any other questions, please feel free to contact us, we will provide the most professional service.