I bought these for my Dell laptop which I use with a Thunderbolt dock and because my laptop normally stands (vertically) the USB-C cable sticks out and gets knocked out from time to time. I initially bought another adapter because it had a magnetic quick connector and advertised the full speed and power of Thunderbolt. This was not the case. The magnetic adapter allowed power and some peripherals, but not all. (HDMI, DisplayPort, MiniDisplayPort, Ethernet, 3 USB devices are connected to the docking station but none of the external monitors or USB devices are communicating). I bought Cellularize adapters hoping they would work. These work perfectly. Allows you to fill the power supply and all devices. I use the second one on my MacBook Pro and it works too. Although I've only been using it for a few days, I'm very happy with the quality and performance of this product.
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