LG's Dual Up monitor sports a unique 16:18 aspect ratio, which seeks to help productivity workhorse users go for the vertical split-screen option. LAS VEGAS - JANUARY 09: Attendees watch a bank of ...

The LG 43UN700 43-inch PC monitor has four HDMI ports, which lets it connect to four video sources so you can see them all in a four-way split screen mode. It's discounted to $496.99 at Amazon. Lots ...