Features: Plus a FaceTime HD webcam and stereo speakers. iMac: Get a refurbished 2011 21.5" Core i3 A1311 iMac with 4GB, 8GB or 16GB RAM! Operating system: Mac OS High Sierra operating system (released in 2017). Storage options: Choose 256GB SSD, 512GB SSD or 1TB HDD. Display: With a 21.5" glossy 16:9 LED-backlit LCD (1920x1080 native) display. Processor: Dual Core 3.1 GHz Intel "Core i3" I3-2100 (Sandy Bridge) processor Connectivity: Four USB 2.0 ports, a Firewire "800" port, Wi-Fi, Gigabit Ethernet, SDXC card slot and a single Mini DisplayPort. It does not support internal Bluetooth. 2011 21.5" Core I3 iMac Computer | 4GB | Living Social