Compatibility: PCs, Macs, Chromebooks, and Android Devices and Windows® (10/8.1/7), Mac® OS X (10.12/10.11/10.10), Android (5.0 or later), Chrome (R51 or later), Ubuntu Supports four 4K displays via four DisplayPort (3840 x 2160 p60) or four HDMI (3840 x 2160 p50) ports. Apple and Nokia headset auto-detection. X1 – USB-C 3.0 port with power (100W non-PD) x4 – USB 3.0 ports (1 fast charging) connect essential peripherals. X1 – 3.5 mm combo Audio In/Out for mics, speakers, and earphones. X1 – Gigabit Ethernet port. Tested to power on. Color: Gray Great Used Condition. X1 – USB-C Universal Quad 4K (QV4K) Docking Station x1 – AC Adapter x1 – USB type …..