21.5-inch (diagonal) LED-backlit display, 920‑by‑1080 resolution with support for millions of colors

• One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors.
• Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors.
• Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors.
• Simultaneously supports full native resolution on the built-in display at millions of colors.