Apple today introduced an all-new Studio Display XDR monitor with a 27-inch screen, mini-LED backlighting, 5K resolution, peak brightness of 2,000 nits for HDR content, up to a 120Hz refresh rate, Thunderbolt 5, and more. The new Studio Display XDR replaces Apple's former Pro Display XDR, which has been discontinued. Going forward, there are now two Studio Display models.