StarTech.com SV431DPUA. Keyboard port type: USB, Mouse port type: USB, Video port type: DisplayPort. Maximum resolution: 3840 x 2400 pixels, Maximum digital resolution: 2560 x 1600 pixels, Number of users: 1 user(s). Product color: Black, Housing material: Steel, Mean time between failures (MTBF): 136000 h. AC input voltage: 100 - 240 V, Input current: 0.8 A, Output voltage: 12 V. Width: 8.7" (221 mm), Depth: 5.14" (130.6 mm), Height: 1.73" (44 mm)
StarTech.com SV231HU34K6. Keyboard port type: USB, Mouse port type: USB, Video port type: HDMI. HD type: 4K Ultra HD, Maximum resolution: 3840 x 2160 pixels, Data transfer rate (max): 5 Gbit/s. Product color: Black, Housing material: Steel, Mean time between failures (MTBF): 143000 h. AC input voltage: 100 - 240 V, Input current: 1 A, Output voltage: 12 V. Width: 3.94" (100 mm), Depth: 6.3" (160 mm), Height: 1.57" (40 mm)