• HDMI 4K30Hz
• USB-C PD 60W
• 2 x USB-A 5Gbps
• MicroSD UHS-I
• SD UHS-I
• 3.5mm Audio Jack

Best Selling USB-C Hub
The universal version of the World’s Most Crowdfunded MacBook and USB-C accessory

Crystal Clear 4K 30Hz HDR Video Output 
Experience high-resolution 4K 30Hz video on HDMI displays (requires direct HDMI connection).

High-Speed USB-A 
Connect your USB-A accessories with your modern USB-C device. High-speed USB 3.1 Gen 1 capable of 5Gb/s transfer speed.

Essential Ports for Photography 
Quick data transfer from UHS-I MicroSD and SD 104MB/s.

Seamless Color, Material, and Finish 
Aluminum enclosure designed to perfectly match your Apple device in every way.

Model 
GN21D-GRAY

Dimensions
110 x 30 x 9mm
4.33" x 1.18" x 0.35"

Weight
37 g / 1.31 oz / 0.08 lb

Compatible Devices

*Not compatible with M2 MacBook Air, M1 Pro/M1 Max MacBook Pro 14” and 16”.
MacBook Pro 2016 or Later
MacBook Air 2018 or Later
MacBook 2015, 2016
iPad Pro 2018 or later
iPad Air 2020 or later
Chrome OS laptop with Thunderbolt 4, USB4, USB 3.0 or later Type C with DP Alt-Mode
Windows OS laptop with Thunderbolt 4, USB4, USB 3.0 or later Type C with DP Alt-Mode
Any other device with USB-C*
* Requires DisplayPort over USB-C + charge + data