256 GB SSD FOR Apple MacBook Air A1466 A1465 2013 2014 2015 / MacBook Pro A1502 A1398. MacBook Air 11” A1465. MacBook Air 13” A1466. Because if the EFI firmware (on Mac's motherboard) is too old, it can not support our this new PCIe Gen3x4 SSD, it just can works for an old PCIe SSD.
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