Today at Apple's online store save on refurbished Mac minis, MacBook Airs and more. For $519, after a $80 price drop, is the ref rub. Mac mini with a 2.3GHz Intel dual-core i5 processor, 2GB of RAM and a 500GB hard drive. Or save $100 on the refurb. Mac mini with a 2.5GHz Intel dual-core i5 processor, 4GB of RAM and a 500GB hard drive, now $699.