Cable Matters 48Gbps Unidirectional USB C to HDMI 2.1 Adapter, Supports 8K 60Hz / 4K 240Hz HDR, Thunderbolt 4 to HDMI2.1, HDMI 2.1 to USB C Adapter, Thunderbolt 5 Compatible - up to 4K@60Hz for macOS

Cable Matters, with headquarters in Southborough, Massachusetts, offers a complete line of cables, adapters, docking stations, and networking products for the home, office, and data center. Cable Matters offers first-class, quality, and affordable products backed by an exceptional customer experience. The Cable Matters USB-C to HDMI 2.1 Adapter combines the latest HDMI technology with the versatility of the USB-C connector. Transform your device into an 8K@60Hz video powerhouse with support for the latest 4K@240Hz televisions and monitors. Drive 8K displays as well with the unmatched speeds only 48Gbps bandwidth as specified in HDMI 2.1 can provide. For dedicated graphics, a Nvidia RTX 2060/3060 or an AMD Radeon RX 6000 Series or newer graphics are required to achieve 8K@60Hz video. For Intel graphics, 11th generation Intel Tiger Lake or 12th Intel Ader Lake or a newer CPU and Intel Iris Xe or newer graphics are required to achieve 8K@60Hz video. All Macbooks, Macbook Pro, and Mac Mini can only support a maximum resolution of 4K@60Hz external display. 4K@240Hz/4K@120Hz and 8K support may require a firmware update on some 8K TVs. 4K@240Hz/4K@120Hz and 8K support must be manually enabled on some 8K TVs. VRR/G-Sync/FreeSync are not supported. Dolby Atmos/DTS:X are supported. Is this adapter bidirectional? No. It only coverts video from USB-C with DP Alt Mode or Thunderbolt 3/4/5 ports (host) to HDMI displays. It does not support HDMI sources like PS5 or Xbox to USB-C devices. Why am I not getting 8K or 4K 240Hz? It require a GPU with DisplayPort 1.4 + DSC via USB-C, a certified HDMI 2.1 cable, and a display with HDMI 2.1 input. Also ensure HDMI 2.1 mode is enabled on your display and drivers are up to date. VRR, G-Sync, and FreeSync are not supported. Does this adapter work with macOS? Yes, but macOS systems are limited to 4K@60Hz output over USB-C/Thunderbolt, regardless of the display’s capabilities. Why do I experience flickering or no signal? Use a short certified HDMI 2.1 cable and confirm HDMI 2.1 mode is enabled on your display. Try lowering resolution or refresh rate. Search “Cable Matters 48Gbps Adapter Troubleshooting” for further instructions. The adapter gets warm — is that normal? Yes. The aluminum enclosure helps dissipate heat from the chipset. Mild warmth during use is normal and ensures stable high-speed performance. USB C to HDMI 2.1 Adapter USB C to HDMI 2.1 Cable 16K USB-C to DP Adapter USB C to HDMI 2.1 Adapter Foldable HDMI Adapter USB-C Charging Dock Foldable USB-C HDMI Hub