1. Introduction
Thank you for choosing the Satechi 8-in-1 USB-C Multiport Adapter V3. This device is designed to expand the connectivity of your USB-C enabled laptop, tablet, or smartphone, providing a versatile solution for various peripheral needs. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance.

Image 1: Satechi 8-in-1 USB-C Multiport Adapter V3
2. Product Overview
The Satechi 8-in-1 USB-C Multiport Adapter V3 offers a comprehensive range of ports to enhance your device's capabilities. Its compact and durable design makes it suitable for both desktop and mobile use.
Key Features:
- Enhanced Display: Supports resolutions up to 8K @ 30Hz, 4K @ 120Hz, 2K @ 144Hz, and 1080p @ 240Hz via HDMI.
- High-Speed Data Transfer: Features three USB 3.2 Type-C data ports (10Gbps) and one USB 3.2 Type-A data port (5Gbps).
- Power Delivery: USB-C Power Delivery (PD) port capable of delivering up to 100W for charging your host device.
- Network Connectivity: Integrated Gigabit Ethernet port for stable wired internet access.
- Media Access: Built-in Micro/SD Card Readers (UHS-I) for quick data transfers from memory cards.
- Broad Compatibility: Compatible with a wide range of USB-C devices, including MacBook Air/Pro M5/M4, Windows laptops, iPads, and Samsung Galaxy Dex-Mode.
Video 1: Overview of the Satechi USB-C Hub Multiport Adapter V3 features.
3. Setup
Setting up your Satechi 8-in-1 USB-C Multiport Adapter V3 is straightforward. It is a plug-and-play device, requiring no additional drivers for most operating systems.
- Connect the integrated USB-C cable from the adapter to a compatible USB-C port on your host device (laptop, tablet, etc.).
- The adapter will be automatically recognized by your operating system.
- You can now connect your peripherals to the available ports on the adapter.
Video 2: Demonstration of connecting the Satechi USB-C Hub Multiport Adapter V3.
4. Operating Instructions
4.1. Ports and Connections
The adapter features a variety of ports to connect your essential devices:

Image 2: Detailed view of the adapter's ports.
- USB-C Data Ports (x3): Connect USB-C peripherals for data transfer speeds up to 10Gbps.
- USB 3.2 Type-A Data Ports (x1): Connect USB-A peripherals for data transfer speeds up to 5Gbps.
- HDMI Port (x1): Connect an external monitor or display.
- USB-C Power Delivery (PD) Port (x1): Connect your device's power adapter to charge your host device through the hub. Supports up to 100W input (85W pass-through).
- Gigabit Ethernet Port (x1): Connect an Ethernet cable for a stable and fast wired network connection.
- SD Card Reader (x1): Insert standard SD cards for data transfer (UHS-I speeds).
- MicroSD Card Reader (x1): Insert MicroSD cards for data transfer (UHS-I speeds).
4.2. Display Configuration
Connect your external display to the HDMI port on the adapter. The adapter supports various resolutions and refresh rates:
- Up to 8K @ 30Hz (Windows only)
- Up to 4K @ 120Hz
- Up to 2K @ 144Hz
- Up to 1080p @ 240Hz
Ensure your host device and external display support the desired resolution and refresh rate for optimal performance. For higher resolutions, devices must support DP Alt mode.

Image 3: High-resolution display setup with the adapter.

Image 4: Seamless gaming experience with high refresh rates.
4.3. Data Transfer
Utilize the USB data ports and card readers for efficient file transfers:
- USB 3.2 Ports: Offer speeds up to 10Gbps (Type-C) and 5Gbps (Type-A), allowing for rapid transfer of large files.
- SD/MicroSD Card Readers: Support UHS-I speeds for quick access to photos and videos from your memory cards.

Image 5: USB 3.2 offers twice the speed of USB 3.0.

Image 6: Faster file transfers from SD cards.
4.4. Power Delivery
The USB-C PD port allows you to charge your host device while using the adapter. Connect your original USB-C power adapter to the PD port on the hub. The hub supports up to 100W power input, with approximately 85W pass-through charging to your host device, depending on the power consumption of connected peripherals.

Image 7: Powering devices with up to 85W pass-through charging.
5. Compatibility
The Satechi 8-in-1 USB-C Multiport Adapter V3 is designed for broad compatibility with modern USB-C devices. Supported devices include:
- MacBook Pro 14/16-inch (2025 M5/M4/M3/M2/M1)
- MacBook Air 13/15-inch (2025 M4/M3/M2/M1)
- iPad Pro 11/13-inch (2025 M5/M4/M2/M1)
- iPad Air 11/13-inch (2025 M3/M2/M1)
- iPad Mini (2024 A17/6th Gen)
- Mac Mini (2024 M4/M2/M1)
- iMac (2024 M4/M3/M1)
- Mac Studio (2025 M4/M3/M2/M1)
- Lenovo ThinkPad
- Microsoft Surface
- Google Pixelbook
- Google Pixel Pro 8/9 (Note: Google Pixel Pro 8/9 do not support display output, but support USB and USB PD)
- Samsung Galaxy Dex-Mode compatible devices
6. Maintenance
To ensure the longevity and optimal performance of your Satechi Multiport Adapter, follow these maintenance guidelines:
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the device yourself. This may void the warranty.
- Handle the adapter and its cables with care to prevent damage to ports or connectors.
- It is normal for the adapter to become warm during extended use, especially when multiple peripherals are connected or when charging. The aluminum casing is designed to dissipate heat efficiently.

Image 8: Designed for durability with heat protection and robust construction.
7. Troubleshooting
If you encounter issues with your Satechi Multiport Adapter, try the following steps:
- No Display Output: Ensure the HDMI cable is securely connected to both the adapter and the monitor. Verify that your host device's display settings are configured to extend or duplicate the display. Check if your device supports DP Alt mode for external display output.
- Peripherals Not Recognized: Disconnect and reconnect the peripheral. Try connecting the peripheral directly to your host device to confirm it is functioning correctly. Ensure the adapter is securely connected to your host device.
- Slow Data Transfer: Ensure you are using the correct USB 3.2 ports for high-speed devices. Some older USB devices may operate at slower speeds.
- Charging Issues: Confirm your power adapter is connected to the USB-C PD port on the hub. Ensure your power adapter provides sufficient wattage for your host device and all connected peripherals.
- Intermittent Connection: Ensure all cables are securely connected. Try restarting your host device.
If problems persist after attempting these troubleshooting steps, please contact Satechi customer support for further assistance.
8. Specifications
| Model Number | ST-P8KEM |
| Dimensions (LxWxH) | 4.49 x 2.13 x 0.63 inches |
| Weight | 4.3 ounces |
| Color | Space Gray |
| Hardware Interface | USB 3.0 Type C |
| HDMI Output | Up to 8K@30Hz, 4K@120Hz, 2K@144Hz, 1080p@240Hz |
| USB-C Data Ports | 3 x USB 3.2 (10Gbps) |
| USB-A Data Ports | 1 x USB 3.2 (5Gbps) |
| USB-C PD Port | Up to 100W input (85W pass-through) |
| Ethernet Port | Gigabit Ethernet |
| Card Readers | SD & MicroSD (UHS-I) |
9. Warranty and Support
Satechi products are covered by a 2-year limited warranty against defects in materials and workmanship under normal use. This warranty ensures a hassle-free and satisfying experience with your purchase.
For warranty claims, technical support, or any inquiries, please visit the official Satechi website or contact their customer service directly. Please have your product model number (ST-P8KEM) and proof of purchase available when seeking support.





