2.3GHz quad-core Intel Core i7 4GB memory Two 1TB hard drives Intel HD Graphics 4000 OS X Mavericks OS X Server Configure to Order 2.6GHz quad-core Intel Core i7 processor 8GB DDR3 memory upgrade 16GB DDR3 memory upgrade One or two 256GB solid-state drives Apple Remote Processor 2.3GHz quad-core Intel Core i7 (Turbo Boost up to 3.3GHz) with 6MB L3 cache Configurable to 2.6GHz quad-core Intel Core i7 (Turbo Boost up to 3.6GHz). Storage 1TB (5400-rpm) hard drive Configurable to 256GB solid-state drive or 1TB Fusion Drive. Graphics and Video Support Intel HD Graphics 4000 Thunderbolt digital video output Native Mini DisplayPort output DVI output using Mini DisplayPort to DVI Adapter (sold separately) VGA output using Mini DisplayPort to VGA Adapter (sold separately) Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately) Electrical and Operating Requirements Line voltage: 100-240V AC Frequency: 50Hz to 60Hz, single phase Maximum continuous power: 85W Operating temperature: 50° to 95° F (10° to 35° C) Storage temperature: -40° to 116° F (-40° to 47° C) Relative humidity: 5% to 95% noncondensing Maximum altitude: tested up to 10,000 feet Typical acoustical performance, sound pressure level (operator position): Dual-core model: 12 dBA at idle Quad-core model: 15 dBA at idle OS X Server quad-core model: 16 dBA at idle
