The Z87 Deluxe/Quad is the latest Z87 chipset motherboard from ASUS and it is the first motherboard to receive Thunderbolt 2 certification from Intel. The ATX motherboard can handle up to 12 devices through two Thunderbolt ports, each of which can reach speeds up to 20 Gb/s. The combination of Thunderbolt 2, DisplayPort 1.2, and HDMI gives the board enough power to support three 4K displays at once. The board also supports four DIMMs, three PCIe cards, ten SATA 3 devices, and 16 USB devices.
Source: Press Release