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HDMI 2.1

Stories from across the site that focus on HDMI 2.1.

McIntosh MX124 Review: Who Should Buy This High-End AV Processor?

The McIntosh MX124 supports advanced 9.4.4 Dolby Atmos, 8K HDMI, and pro integration—but is it right for your home theater, and what are the real trade-offs?

Jul 16, 2026

Denon's New Dolby Atmos AV Receivers Boost Affordable Home Theater Experience

Denon's AVR-X2900H and AVR-X3900H offer 6 HDMI inputs with 4K 120Hz, Dolby Vision, DTS:X, and advanced room correction for immersive yet budget-friendly setups.

May 14, 2026

Valve's Steam Machine Poised to Support 4K 120Hz and VRR as PS5 Alternative

Valve's upcoming Steam Machine may finally launch with HDMI 2.1 support via firmware, enabling 4K at 120Hz and variable refresh rate for a powerful gaming console replacement.

May 5, 2026