Simplecom CHN421 Aluminium USB-C to 3 Port USB HUB with Gigabit Ethernet Adapter Silver

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Product Information

CHN421 is an essential companion for PC or laptop with not enough typical USB-A ports or lack of RJ45 Ethernet port, it turn a single SuperSpeed USB-C port into three USB-A port and one Gigabit Ethernet port. Simply connect the hub to the USB-C port on a laptop or PC, then benefit from more USB-A ports and one Gigabit Ethernet port, which makes it possible for computers without an Ethernet port to connect cable network.

Access and transfer data more efficiently. Three SuperSpeed USB ports support data transfer rates of up to 5Gbps, and RJ45 Gigabit Ethernet port supports up to 1000Mbps transfer speed.

CHN421 is sturdy and durable with premium aluminium body. Simple and easy to use with 3 USB ports on the top and an innovative built-in RJ45 Gigabit Ethernet adapter on the end, accommodate your collection of USB device without cluttering your desk space.


Expands single USB-C port to three USB-A ports and a RJ45 Gigabit Ethernet port

Aluminium unibody, durable and premium quality

3 SuperSpeed USB ports support speeds of up to 5Gbps

Built-in Gigabit Ethernet supports up to 1000Mbps transfer speed

LED indicator for power and network connection status

USB powered, no external power required

Easy to Install, plug and play, no additional driver needed

Ideal for Chromebooks, Ultrabooks without Ethernet port

Support Windows 7 and above (32/64-bit), Mac OS 10.6 and above


USB Specification: USB 3.2 Gen1 (formerly known as USB 3.0)

Interface: SuperSpeed USB-A Male

Power: USB bus-powered / self-powered

Working current: <300 mA +/- 10 mA

Ethernet: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab (10BASE-T, 100BASE-TX,  1000BASE-T)

Network protocols: IPv4 and IPv6

Operating temperature: 0 – 50 Celsius

Operating humidity: 10 - 85% RH, non-condensing

Dimensions: 87 x 24 x 17mm

Operating Systems: Windows 7 and above (32/64-bit), Mac OS 10.6 and above, Chrome OS

Package Content

1x 3-Port USB 3.0 Hub with Gigabit Ethernet Adapter

1x User Manual

Important Note

For stable operation, devices connected to this hub should not exceed maximum current of USB port on your computer, most USB port on PC can supply 0.5A-0.9A power. Do not connect more than one high power-consuming device, such as USB HDDs, USB Fan, etc.

This hub is not meant to serve as a stand-alone charger. It is not compatible with iPads or any other devices with irregular charging requirements.