Apple 27-inch iMac 3.5GHz Quad-core Intel Core i5 with Retina display (Refurbished) Renewed products look and work like new. These pre-owned products have been inspected and tested by Amazon-qualified suppliers, which typically perform a full diagnostic test, replacement of any defective parts, and a thorough cleaning process. Packaging and accessories may be generic. All products on Amazon Renewed come with a minimum 90-day supplier-backed warranty. 27" Retina 5K IPS Display 5120 x 2880 Native Resolution 3.5 GHz Intel Core i5 (Haswell) 8GB of 1600 MHz DDR3 RAM 1TB Fusion Drive AMD Radeon M290X GPU (2GB GDDR5) 802.11ac Wi-Fi, Bluetooth 4.0 2x Thunderbolt 2 and 4x USB 3.0 Ports