At Apple's online store this week there is an abundance of refurbished Mac mini configurations starting as low as $469 for the Mac mini with a 2.3GHz Intel dual-core i5 processor, 2GB of RAM and a 500GB hard drive. For $509 is a refurb. Mac mini with a 2.5GHz Intel dual-core i5 processor, 4GB of RAM and a 500GB hard drive.