Lenovo has the Lenovo L28u-35 4K UHD 28" IPS LED Monitor (66ECGCC4US) for $350 - $120 off with coupon code AFFSAVEL28U in cart = $230 with free shipping. The 32" 4K L32p-30 is also $270 w/ code AFFSAVEL32P.

• 28" IPS Panel (3840 x 2160), 60Hz Refresh Rate, 6ms Response Time
• 300-nits, 2 x HDMI 2.0, 1 x DP 1.4, 178 / 178 degrees viewing angles