Display: With a 21.5" glossy 16:9 LED-backlit LCD (1920x1080 native) display. iMac: Get a refurbished 2011 21.5" Core i3 A1311 iMac! Connectivity: Four USB ports, a Firewire "800" port, Gigabit Ethernet, SDXC card slot and Bluetooth. Options: Choose 500GB HDD, 1TB HDD or 2TB HDD, and 4GB, 6GB, 8GB or 16GB RAM. Features: Plus AMD Radeon HD 6750M graphics, FaceTime HD webcam and built-in speakers. Processor: Quad Core 2.5 GHz Intel "Core i5" I5-2400S processor. | Apple 2011 21.5" Core i3 A1311 iMac - 4GB | Wowcher