2 · Refurbished 27-inch iMac Pro 2.3GHz 18-core Intel Xeon W with Retina 5K display and Radeon Pro Vega 64X. $11,469.00. Refurbished Mac Pro 3.2GHz 16-core Intel Xeon W, Two Radeon Pro W5700X, Apple Afterburner. $11,469.00. Refurbished Mac Pro 3.3GHz 12-core Intel Xeon W, Two Radeon Pro W5700X, Apple Afterburner.