Avocent DSR1021 KVM Switch, DS Series. Keyboard port type: PS/2, Mouse port type: PS/2, Video port type: VGA. Maximum resolution: 1600 x 1280 pixels. AC input frequency: 50 - 60 Hz, Power consumption (typical): 25 W. Weight: 3.6 kg. Operating temperature range (T-T): 0 - 40 °C