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This User Manual covers setup, features, compatibility, and specifications for the Satechi USB4 Multiport Adapter with 8K HDMI (ST-U4MA3M).

What's In The Box

USB4 Multiport Adapter, User Manual.

Product Overview

The USB4 Multiport Adapter with 8K HDMI expands a single USB4/USB-C port into nine connections, including 8K HDMI video output, three USB-A ports, SD and Micro SD card readers, Gigabit Ethernet, a 3.5mm audio jack, and 100W USB-C pass-through charging.

Setup

The USB4 Multiport Adapter with 8K HDMI is plug-and-play, no drivers required.

1. Connect to a laptop: Plug the built-in USB-C cable into a USB-C port on your laptop.

2. Connect your devices: Connect your devices to the adapter's ports.

Functions

Parts labeled diagram of the USB4 Multiport Adapter with 8K HDMI with 9 labeled components.

1. USB-C Cable: Built-in USB-C cable that connects the adapter to your laptop's USB-C port.
2. 8K@30Hz HDMI Video Port: HDMI output supporting up to 8K 30Hz (4K 60Hz on Mac).
3. USB-A 2.0 Port: USB-A port for low-bandwidth peripherals.
4. 2x USB-A 3.2 Ports: Two high-speed USB-A ports for data transfer up to 10 Gbps.
5. SD & Micro SD Card Slots: Dual card readers for SD and Micro SD cards.
6. USB-C PD Port (Up to 100W): USB-C Power Delivery for laptop charging up to 100W (about 15W used for operation).
7. LED Indicator: Lights up when the adapter is connected and powered.
8. Audio Jack Port: 3.5mm audio jack for headphones or speakers.
9. Ethernet Port: Gigabit Ethernet for wired network connectivity.

Features

- 8K@30Hz HDMI video output (4K 60Hz on Mac)
- Three USB-A ports (2x 10 Gbps + 1x USB 2.0)
- SD and Micro SD card readers
- Gigabit Ethernet and 3.5mm audio jack
- Up to 100W pass-through charging

Important Limitations

USB-C Charging Port will not support data transfer or video output.

Specifications

Model: ST-U4MA3M
Connector: USB-C (USB4)
Ports & Speeds:
1x HDMI: up to 8K 30Hz (4K 60Hz on Mac)
2x USB-A 3.2: up to 10 Gbps each
1x USB-A 2.0: up to 480 Mbps
1x SD + Micro SD card slots
1x Ethernet: Gigabit
1x 3.5mm audio jack
1x USB-C PD: up to 100W (charging only)

Certifications

FCC, CE, WEEE, EAC