Thunderbolt Port + FireWire 800 3 x USB 2.0 Gigabit Ethernet Port Kensington Security Slot 1000:1 Contrast 178°/178° Viewing Angle 12ms Response Time Built-In 2.1 Speaker System Built-In Face Time HD Camera with Mic Questions? Ask our experts: The Apple 27" Thunderbolt Display introduces Thunderbolt technology to the market, providing ultra-fast speeds.