Sonnet Echo 11 Thunderbolt 4 HDMI Dock - Black

The Echo 11 can support up to one 8K display or two 6K displays, depending on your computer's video output capabilities and whether you use the built-in HDMI port.

Yes, the Echo 11 Thunderbolt 4 HDMI Dock provides up to 100W of USB Power Delivery, which can charge most compatible laptops.

Yes, a Thunderbolt 4 cable is included with the dock.

It is compatible with Apple M series Macs, Thunderbolt 3 Intel Macs, Thunderbolt 3/4 and USB4 Windows computers, Thunderbolt 4 and USB4 Chromebooks, and M series iPad Pro.

The dock features 2.5 Gigabit Ethernet, offering 250% the speed of standard Gigabit Ethernet over compatible cabling.

Yes, you can connect Thunderbolt-compatible adapters (sold separately) to connect displays with HDMI, DisplayPort, or other interfaces to the dock's Thunderbolt ports.

The dock comes with a 2-year warranty.

Yes, the USB 3.2 Gen 2 ports are backward compatible and can support USB 2.0 devices.

Ensure the Thunderbolt 4 cable is securely connected to both the dock and the computer. Try a different Thunderbolt 4 port on your computer if available. Restart both the computer and the dock (unplugging the power for 10 seconds). Confirm your computer supports Thunderbolt 4/3 or USB4.

Verify that the Thunderbolt 4 cable is securely connected and that it supports Power Delivery. Check if your laptop's charging port is compatible with USB PD. Ensure the dock's power adapter is properly connected and functioning. Your computer may require a firmware update for optimal Power Delivery.

Confirm the monitor is powered on and set to the correct input source. Check that the display cable (HDMI or Thunderbolt/USB-C for Thunderbolt monitors) is securely connected to both the dock and the monitor. Ensure your computer's operating system is configured to extend or duplicate displays. The maximum resolution and refresh rate supported depend on your computer's video output capabilities.

Ensure you are using a Cat 5e or better Ethernet cable. Verify that your network switch or router also supports 2.5Gb Ethernet for optimal speeds. If connected to a Gigabit Ethernet port on your network infrastructure, speeds will be limited to 1Gbps.

Try connecting the USB device to a different USB port on the dock. Ensure the USB device is not drawing excessive power if connected to the front port. If bus-powered, check if the device is compatible with the 7.5W output of the USB ports. For high-bandwidth devices, use a direct Thunderbolt peripheral port if available.

Ensure the SD card is properly inserted into the slot. Try a different SD card to rule out a card issue. Clean the contacts on the SD card and inside the reader gently with a dry cloth. Restart the computer and dock.