Yes, you can use all the ports on the Satechi USB-C Multiport MX Adapter at the same time, with one exception: only one card slot (SD or microSD) works at a time because the card slots are stacked.

You can use these at the same time:

• USB-C data port
• USB-C PD pass-through charging port
• Two USB-A 3.0 ports
• Two HDMI ports
• 3.5mm audio jack
• Gigabit Ethernet port
• One card slot, SD or microSD