Dell Small Business offers its Dell UltraSharp UP2414Q 23.8" 4K Ultra HD IPS LED-Backlit LCD Monitor bundled with a $150 Dell eGift Card for $649.99. Coupon code "8SKPHRWW8N4RV0" cuts it to $584.99. With free shipping and assuming you'll use the gift card, that's $150 under our mention from last fall and the lowest total price we've seen. (It's also a current low by $52.) It features a 3840x2160 native resolution (four times that of 1080p), LED backlight, 4-port USB 3.0 hub, and DisplayPort, mini DisplayPort, and HDMI inputs.