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*Maximum values depend on the laptop, operating system, power supply and simultaneous display arrangement. They are not universal promises. “Not confirmed” means current sources did not establish the value; it does not mean none.

Published specifications and buying checks for the selected docking stations
What mattersPlugable UD-3900Choose a dock aboveChoose a dock above
Laptop connectionUSB-A 3.0 or USB-C——
Display technologyUSB graphics / DisplayLink——
Maximum displays*2 displays maximum——
Power to laptop*No laptop charging——
HDMI sockets2——
DisplayPort socketsNone——
Display conditionsDual 1920 × 1200 at 60Hz; no 4K——
Mac requirementsManual DisplayLink installation required——
Windows requirementsWindows with DisplayLink software——
Wired networkGigabit Ethernet——
USB peripherals2 USB-A 5Gbps; 4 USB-A USB 2.0——
Before buyingNo host charging or 4K display support; Not a gaming or HDCP streaming solution——
Current listingCheck on Amazon