StarTech.com ARMDUAL30. Mounting: Clamp, Maximum weight capacity: 39.7 lbs (18 kg), Maximum screen size: 30", Minimum VESA mount: 2.95 x 2.95" (75 x 75 mm), Maximum VESA mount: 3.94 x 3.94" (100 x 100 mm). Height adjustment. Product color: Black, Silver
StarTech.com DKT30CHD. Connectivity technology: Wired, Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-C. Ethernet LAN data rates: 10,100,1000 Mbit/s, Copper ethernet cabling technology: 10BASE-T,100BASE-TX,1000BASE-T, Networking standards: IEEE 802.3,IEEE 802.3ab,IEEE 802.3u. Product color: Black, Data transfer rate: 5 Gbit/s, Maximum digital resolution: 4096 x 2160 pixels. Power source type: USB. Windows operating systems supported: Windows 10,Windows 10 Education,Windows 10 Education x64,Windows 10 Enterprise,Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High..., Other operating systems supported: Chrome