At Apple's online store today save big on a variety of refurbished Macs, all under $999. At the bottom of the price list is the refurb. Mac mini with a 2.5GHz Intel dual-core i5 processor, 4GB of RAM and a 500GB hard drive, now $699. For $749 is the refurbished 11.6-inch MacBook Air with a 1.6GHz Intel dual-core i5 processor, 2GB of RAM and 64GB of Flash storage.