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Add extra functionality to your laptop with the USB-C to USB10Gbps & HDMI 4K144Hz Adapter. This adapter allows you to add an additional monitor, connect to a 10Gbps USB Type-A or USB-C for connecting high-speed USB peripherals. Also includes a USB-C Power Delivery port that can be used to charge your laptop when a USB-C power adapter is connected. Display Alt Mode for HDMI supports a resolution up to 4K144Hz with Primary, Extended, and Mirrored display modes. The JCA399G supports upstream charging and Power Delivery 3.0 100W to keep your connected laptop or tablet powered up while in use.
Q: Is the adapter compatible with Power Delivery 3.0?
A: The JCA399G supports Power Delivery 3.0 100W to keep your connected laptop or tablet powered up while in use.
Q: How many USB-C ports does the adapter have?
A: This adapter has one USB-C port.
Q: What is the maximum resolution supported by the HDMI port?
A: The HDMI port on this adapter supports a maximum resolution of 4K at 144Hz.
Q: What is the maximum data transfer speed supported by the USB port?
A: This adapter allows for connection to a 10Gbps USB Type-A or USB-C port for connecting high-speed USB peripherals.
Q: Does the adapter support both USB-A and USB-C connections?
A: This adapter allows you to connect to a 10Gbps USB Type-A or USB-C for connecting high-speed USB peripherals.
Q: Does this work for Chromebook
A: If your Chromebook supports DisplayPort v1.4 with DSC to support 4K @ 144 Hz, then yes, this adapter can work to output video and connect high-speed USB devices. If your system only supports DisplayPort v1.4 without DSC, the 4K resolution will be displayed at 60 Hz. Also, USB Power Delivery to support charging.
Customers enjoy the overall performance of the USB-C to USBTM 10Gbps & HDMITM 4K144Hz Adapter for Mac, PC and More. Users report that the product works as advertised and is of great quality. There were no negative comments about the product.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Add extra functionality to your laptop with the USB-C to USB10Gbps & HDMI 4K144Hz Adapter. This adapter allows you to add an additional monitor, connect to a 10Gbps USB Type-A or USB-C for connecting high-speed USB peripherals. Also includes a USB-C Power Delivery port that can be used to charge your laptop when a USB-C power adapter is connected. Display Alt Mode for HDMI supports a resolution up to 4K144Hz with Primary, Extended, and Mirrored display modes. The JCA399G supports upstream charging and Power Delivery 3.0 100W to keep your connected laptop or tablet powered up while in use.

The USB-C to Dual HDMI Multi-Monitor Adapter acts as an external video card for your MacBook or Windows laptops. It allows you to add two additional displays through your USB-C port, boosting your productivity by giving you more screen space to work from. One of the HDMI ports can output resolutions up to 4K, while the other can output resolutions up to 2048 x 1152. Simply install the driver for the USB-C to Dual HDMI Multi-Monitor Adapter by plugging-in the adapter and then connect your monitors using HDMI cables for a dual-display workstation!

Connect your laptop to a 4K monitor, projector, and other devices with our USB-C 4-in-1 Multiport Adapter. This compact USB-C adapter is the perfect solution for home, the office, or in-between workstations. It features two USB-A ports to charge and connect your smartphone, tablet, keyboard, thumb drive, mouse, or other high consumption device while its HDMI port connects your MacBook Pro, Chromebook, or other USB-C laptop to a display with up to 4K resolutions. This Belkin USB-C Hub supports pass-through charging up to 100W so you don’t have to choose between port expansion and power. Gain up to 5 Gbps of bandwidth between connected devices, for quick data transfer between computer and peripheral devices. This computer docking station also supports high-definition display resolutions up to 4K through the HDMI Port. Encased in a sleek aluminum finishing that matches popular devices, this compact USB port hub is a stylish addition for your work, study, or play setup.

The USB Type-C digital AV multiport adapter lets you connect your USB Type-C enabled Mac or iPad Pro to an HDMI display, while also connecting a standard USB device and a USB Type-C charging cable.
| Pros for j5create - USB-C to USBTM 10Gbps & HDMITM 4K144Hz Adapter for Mac, PC and More - Space Gray/Black | |||
|---|---|---|---|
| Overall Performance | Ease of use, Overall Performance, HDMI, Connectivity, Price | Overall Performance, Ease of use, HDMI, Connectivity, Size | HDMI, Ease of use, Overall Performance, Connectivity, Compatibility |
| Cons for j5create - USB-C to USBTM 10Gbps & HDMITM 4K144Hz Adapter for Mac, PC and More - Space Gray/Black | |||
| There were no cons for this product— | Compatibility | Price, Heat, Cable Length | Price, Heat, Ports, Size |