Dell Wide Screen ST2320 23-Inch Screen LED-lit Monitor (Discontinued by Manufacturer) The ST2320 comes with 1920 x 1080 full HD resolution 16:9 wide aspect ratio and leverages LCD Display with LED backlights to enable high power efficiency, while watching movies, playing games and photo editing. Fast response time of up to 5 ms (Black to white) helps prevent ghosting in fast motion video