At Apple's online store today save on refurbished Mac minis, iMacs and more. The refurb. Mac mini with a 2.3GHz Intel dual-core i5 processor, 2GB of RAM and a 500GB hard drive is now priced at $519 after a $80 price cut. A $220 price break is offered on the refurb. 21.5-inch iMac with a 3.2GHz Intel core i3 processor, 4GB of RAM and a 1TB hard drive, now $1079.