USB-C Multiport MX Adapter: Ports and Setup Guide
By Satechi® | Apple and PC Electronic Accessories | Published: 2026-10-30
Category: Product Reviews
Learn the exact ports on the Satechi USB-C Multiport MX Adapter and how to set it up with your M1 Mac for dual 4K displays, fast Ethernet, and more.
Quick Answer
The Satechi USB-C Multiport MX Adapter gives you dual 4K HDMI, Gigabit Ethernet, USB-C PD charging, USB-C data, USB-A data, SD card readers, and an audio jack—all through one USB-C port. Setup takes less than a minute: connect it to your M1 Mac, plug in your displays and peripherals, and you're ready.
Why the MX Adapter Stands Out for M1 Macs
If you own an M1 Mac, you've likely run into the limitation of having only two USB-C ports. The Satechi USB-C Multiport MX Adapter is designed specifically to expand that setup, giving you a full desktop workstation without needing multiple dongles.
Its aluminum body matches Apple's design language, so it looks at home next to your MacBook. More importantly, it supports dual 4K displays, which is a common need for creative professionals and multitaskers.
Trade-Offs to Consider
The MX Adapter uses a single USB-C connection, which means it's not a Thunderbolt dock. If you need to daisy-chain Thunderbolt devices or drive a single 6K display, you'd need a different solution.
Also, while it provides USB-C PD charging, the adapter itself doesn't include a power brick—you'll use your existing MacBook charger. This keeps the adapter portable, but you'll need to supply your own power source.
MX Adapter Ports and Setup FAQ
- What ports does the MX Adapter have?
- It includes dual 4K HDMI ports, Gigabit Ethernet, USB-C PD charging, USB-C data, USB-A data, SD card readers, and an audio jack port.
- How do I set up the MX Adapter?
- Plug the adapter's USB-C connector into your Mac, then connect your displays via HDMI, your Ethernet cable, and your peripherals. For charging, plug your MacBook's USB-C charger into the adapter's PD port. Connect the charger first if you want to charge while using all ports.
- Can I use dual 4K displays with the MX Adapter?
- Yes, the adapter supports dual 4K HDMI output, so you can connect two 4K monitors simultaneously. Check that your Mac's chip and OS support dual external displays before buying.
- Does the MX Adapter work with non-M1 Macs?
- The adapter is designed for USB-C connections, so it will work with any Mac or PC that has a USB-C port with DisplayPort Alt Mode support. However, dual 4K output may not be supported on all systems. Verify your device's USB-C specifications if you're not using an M1 Mac.
- Can I charge my MacBook through the MX Adapter?
- Yes, the USB-C PD port lets you pass through power to your MacBook, so you can charge while using all the other ports. Use your original charger for best compatibility.
- What about SD cards and audio?
- The adapter has SD card readers for quick photo transfer and an audio jack for headphones or speakers. The audio jack is a convenient addition if you need wired sound.
Product Facts
- USB-C Multiport MX Adapter: The USB-C Multiport MX Adapter features dual 4K HDMI, Gigabit Ethernet, USB-C PD charging, USB-C data, USB-A data, SD card readers, and an audio jack port, all through a single USB-C port. This means you can connect two 4K monitors, a wired network, and multiple accessories simultaneously—turning your M1 Mac into a full desktop setup with just one cable.
USB-C Multiport MX Adapter
