Dell Small Business offers the Dell D3100 USB 3.0 Triple Display UltraHD Dock
for $99.99. Coupon code "TAKE90" drops it to $79.99
. With free shipping
, that's $15 under last week's mention and the lowest price we could find by $45. This video dock connects up to three displays to a laptop at once, including one Ultra HD 4K display and two full HD displays. It features three USB 3.0, USB, DisplayPort, two HDMI, Gigabit Ethernet, and 3.5mm audio and microphone ports. A 2-foot USB 3.0 cable and HDMI to DVI adapter are included.