This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com. 2.4 GHz Dual-Core 64-bit processor / Authentic 60W MagSafe Power adapter / Fresh installation of MacOS 10.12 Sierra / Factory reset / 7 hour battery 16GB DDR3 1066MHz Brand New & tested memory