Simplecom CHN421 Aluminium USB‑C to 3‑Port USB Hub with Gigabit Ethernet Adapter (Black)

Simplecom CHN421 Aluminium USB‑C to 3‑Port USB Hub with Gigabit Ethernet Adapter (Black)

The Simplecom CHN421 is a compact solution for laptops and PCs that need extra USB‑A ports or a wired Ethernet connection. It turns a single USB‑C port into three USB‑A (SuperSpeed) ports plus a RJ45 Gigabit Ethernet port—ideal for devices without a built-in Ethernet port.

With data transfer speeds up to 5 Gbps via USB and up to 1000 Mbps via Ethernet, it helps you connect peripherals and access network resources efficiently. The premium aluminium unibody design is durable and keeps your setup tidy.

Features

• Expands 1 × USB‑C port to 3 × USB‑A ports + 1 × RJ45 Gigabit Ethernet port
• Aluminium unibody construction for durability and premium feel
• USB ports support transfer speeds up to 5 Gbps
• Gigabit Ethernet supports up to 1000 Mbps
• LED indicator for power and network connection status
• USB powered (no external power adapter required)
• Plug and play, no additional drivers required
• Ideal for Chromebooks and ultrabooks without Ethernet ports
• Compatible with Windows 7+ (32/64-bit), Mac OS 10.6+, Chrome OS

Specifications

• USB specification: USB 3.2 Gen 1 (formerly USB 3.0)
• Interface: SuperSpeed USB‑A Male
• Power: USB bus-powered / self-powered
• Ethernet standards: IEEE 802.3, 802.3u, 802.3ab (10/100/1000BASE‑T)
• Network protocols: IPv4, IPv6
• Operating temperature: 0–50°C
• Operating humidity: 10–85% RH (non‑condensing)
• Dimensions: 87 × 24 × 17 mm
• Supported OS: Windows 7+ (32/64-bit), Mac OS 10.6+, Chrome OS

Package Contents

• 1 × 3‑Port USB 3.0 Hub with Gigabit Ethernet Adapter
• 1 × User Manual

Important Notes

• For stable operation, ensure connected devices do not exceed the maximum current output of your computer’s USB port (typically 0.5A–0.9A).
• Avoid connecting more than one high-power device (e.g., USB HDD, USB fan) at the same time.
• This hub is not intended to be used as a stand-alone charger.
• Not compatible with iPads or devices with irregular charging requirements.