Apple Studio Display XDR Complete Guide 2026: 120Hz ProMotion, Mini-LED HDR — Specs, Pricing & Is It Worth $3,299?

Complete guide to Apple's Studio Display XDR: 27-inch 5K, 120Hz ProMotion, mini-LED with 2,000 nits HDR, and 2,000+ dimming zones. Specs, comparison with Studio Display, and buying advice.