Chelsea Online

Processor Intel Core i5 dual-core 1.4GHz Turbo Boost up to 2.7GHz 3MB on-chip shared L3 cache Memory 4GB of 1600MHz LPDDR3 memory Configurable to 8GB or 16GB Hard Drive 500GB (5400-rpm) hard drive Configurable to 1TB Fusion Drive. Optical Drive None Software Operating System: OS X Yosemite Display Not Included Graphics Intel HD Graphics 5000 Video Support Support for up to two displays at 2560x1600 pixels, both at millions of colours 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) HDMI video output Support for 1080p resolution at up to 60Hz Support for 3840x2160 resolution at 30Hz Support for 4096x2160 resolution at 24Hz DVI output using HDMI to DVI Adapter (sold separately) Networking 802.11ac Wi‑Fi wireless networking; IEEE 802.11a/g/b/n compatible Bluetooth 4.0 wireless technology 10/100/1000BASE‑T Ethernet (RJ-45 connector) Power Supply Line voltage: 100-240V AC Frequency: 50Hz to 60Hz, single phase Maximum continuous power: 85W Operating temperature: 10° to 35° C (50° to 95° F) Storage temperature: -40° to 47° C (-40° to 116° F) Relative humidity: 5% to 95% non-condensing Operating altitude: tested up to 3,000 metres Typical acoustical performance: Sound pressure level (operator position): 12dBA at idle Dimensions Height: 3.6 cm (1.4 inches) Width: 19.7 cm (7.7 inches) Depth: 19.7 cm (7.7 inches) Weight 1.19 kg (2.6 pounds) Interfaces Two Thunderbolt 2 ports (up to 20 Gbps) Four USB 3 ports (up to 5 Gbps) HDMI port SDXC card slot Gigabit Ethernet port Audio in port Headphone port IR receiver