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MCE Technologies 512GB SSD Compatible with MacBook Air 2015 and Compatible with MacBook Air 2017 PCIe-Based 4 Lane (x4) NVMe SSD Flash Storage Upgrade - Requires macOS (High Sierra) or Later
Please Note This SSD is compatible with MacBook Air 2015 - 2017 that has been updated to macOS (High Sierra) prior to installation of this SSD. With macOS 10.13 (High Sierra), Apple enabled your laptop to be able to utilize this faster type of NVMe-based SSD. If your laptop is already running macOS 10.13 (High Sierra) or later, then you are ready to go. You can check which machine you have and which macOS you're running by going to the Apple menu at the upper left of your display and

Price is $130.00

Price: $129.99