8GB (two 4GB) of 1600MHz DDR3 memory. Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display. Support for extended desktop and video mirroring modes. Headphone/optical digital audio output (minijack). Support for Apple iPhone headset with microphone.Four USB 3 ports (compatible with USB 2). 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector). Wi-Fi 802.11ac Wi-Fi wireless networking. Bluetooth Bluetooth 4.0 wireless technology. 17.7 inches (45.0 cm). 20.8 inches (52.8 cm). 6.9 inches (17.5 cm).
12.5 pounds (5.68 kg). Frequency: 50Hz to 60Hz, single phase. Operating temperature: 50° to 95° F (10° to 35° C). Relative humidity: 5% to 95% noncondensing.Operating altitude: tested up to 10,000 feet. Operating System : High Sierra MacOS. We stand behind our product 100%! This item is in the category "Computers/Tablets & Networking\Desktops & All-In-Ones\Apple Desktops & All-In-Ones". The seller is "vrassets" and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Mexico, Germany, Japan, Brazil, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South Africa, Thailand, Belgium, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Republic of Croatia, Malaysia, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam.