Alienware unveiled a widescreen 34-inch QD-OLED monitor a few years ago and it was hit from the get-go thanks to the HDR brightness, OLED color accuracy and smooth 175Hz refresh rate. Now, the company has launched an updated version that boosts the refresh rate to 240Hz — making it a tempting option for gamers who prize visuals and speed. Dell's gaming brand also revealed several inexpensi [...]