Lenovo offers its Lenovo 28" 2160p 4K LED-Backlit LCD Monitor, model no. LI2821, for $449.99. Coupon code "Lenovo4K28399" cuts it to $399.99. With free shipping, that's $40 below our mention from a week ago and the lowest total price we could find by $98. It features a 3840x2160 (2160p) native resolution, JBL speakers, 1080p webcam, DisplayPort, HDMI, MHL, and VGA. Deal ends June 30.