That's the best deal we could find by $146. Buy Now at Dell Small Business Features 3840x2160 (4K) native resolution 1 Audio line out & 1 Audio line in 1 DisplayPort input, 2 HDMI inputs 1 USB Dedicated charging port 2 USB 3.0 downstream ports, 1 USB 3.0 upstream port RS232 and RJ-45 ports Model: C5519Q