Processor 3.5 G Hz 6-Core Intel Xeon E5 with 12MB L3 cache & Turbo Boost up to 3.9 G Hz Configurable to 3.0 G Hz 8-core processor with 25MB L3 cache or 2.7 G Hz 12-core processor with 30MB L3 cache Memory 16GB (four 4GB) of 1866 M Hz DDR3 ECC memory Configurable to 32GB (four 8GB) or 64GB (four 16GB) Hard Drive 256GB PCIe-based flash storage Configurable to 512GB or 1TB Optical Drive None Software Operating System: OS X Mavericks Air Drop Air Play Dictation Gatekeeper Notification Center Facebook Integration Twitter Integration Multiple Display Support Finder Tabs & Tags i Cloud i Cloud Keychain Dashboard Mission Control Spotlight Search Display Not included Connect up to three 4K displays or up to six Thunderbolt displays Graphics Dual AMD Fire Pro D500 graphics processors with 3GB of GDDR5 VRAM each Configurable to dual AMD Fire Pro D700 with 6GB of GDDR5 VRAM each Audio Combined optical digital audio output/analog line-out mini-jack Headphone mini-jack with headset support HDMI port supports multichannel audio output Built-in speaker Networking Dual Gigabit Ethernet ports 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Bluetooth 4.0 wireless technology Power Supply Line voltage: 100-120V AC or 200-240V AC (wide-range power supply input voltage) Frequency: 50 Hz to 60 Hz single phase Maximum continuous power: 450W 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 Maximum operating altitude: 5, 000 metres (16, 400 feet) Typical acoustic performance, sound pressure level (operator position): 12 d BA when idle
Dimensions
Height: 25.1 cm (9.9 inches) Diameter: 16.7 cm (6.6 inches) Weight: 5kg (11 pounds) Interfaces Four USB (Universal Serial Bus) 3 ports Six Thunderbolt 2 ports Dual Gigabit Ethernet ports One HDMI 1.4 port Warranty 1 Year Manufacturer Warranty