Description 3RD PARTY REFURBISHED GRADE C MACBOOK AIR 13.3IN/I7 1.7GHZ/8GB/128SSD/10.12 SIERRA OS, 90 DAY WARRANTY Model BrandAppleSeriesMacBook AirPart NumberPCW-MF068LL/A2-C Quick Info Operating SystemMac OS XCPUIntel Core i7 1.70 GHzScreen13.3"Memory8 GBStorage128 GB SSD CPU CPU TypeIntel Core i7CPU Speed1.70 GHz Display Screen Size13.3" Operating System Operating SystemMac OS X Storage SSD128 GB Memory Memory8 GB