The Product is available from China at Discount price, without any tax for sale now, buy from www.saleholy.com Basic parameters • Product Type one computer home • Operating system Mac OS X Mountain Lion Processor • CPU series Intel Core i5 4-generation family • CPU Type Intel Core i5 4570R • CPU frequency of 2700MHz • Core frequency 3200MHz • Bus Specification DMI 5 GT / s • three cache 4MB • codenamed Haswell • Core / threads quad-core / quad thread