Geek Squad® Certified Refurbished products are thoroughly, painstakingly and lovingly tested, so you can be sure that your device will work right, right away. Geek Squad® Certified Refurbished products.The 13-inch MacBook Air features 8GB of memory, a fifth-generation Intel Core processor, Thunderbolt 2, great built-in apps, and all-day battery life.* It’s thin, light, and durable enough to take everywhere you go—and powerful enough to do everything once you get there.