j5create JCA374 USB-C Multi-Adapter with 4K HDMI, Gigabit Ethernet & USB 3.0
The j5create JCA374 USB-C Multi-Adapter is the ultimate connectivity solution for modern laptops and tablets. This compact, all-in-one hub transforms a single USB-C port into a powerful workstation, delivering 4K HDMI video output, Gigabit Ethernet networking, two USB 3.0 ports, and 60W Power Delivery pass-through charging. Ideal for MacBook, Chromebook, and USB-C equipped Windows laptops, the JCA374 provides seamless plug-and-play expansion for work, presentations, and home office setups.
Key Features
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4K HDMI Display Output: Connect an external monitor, projector, or HDTV with resolutions up to 3840 × 2160 @ 30 Hz or Full HD 1080p @ 60 Hz
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Gigabit Ethernet Port: Reliable wired network connection with 1000 Mbps speed and LED indicators for stable, high-speed internet
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Dual USB 3.0 Ports: Add two SuperSpeed USB 3.0 ports with 5 Gbps transfer speeds, backwards compatible with USB 2.0 and 1.1 devices
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60W Power Delivery 3.0: Charge your laptop while using the adapter with up to 60W pass-through charging via USB-C power adapter
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Plug-and-Play Simplicity: No drivers required for HDMI and USB; quick setup for instant productivity on macOS and Windows
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Premium Aluminum Design: Compact, lightweight gold aluminum casing with 24 cm integrated cable for maximum portability
4K Video & Audio Transmission
The JCA374 makes it easy to extend or mirror your display onto a larger screen. Whether you're presenting in a conference room, working with multiple monitors, or streaming 4K content at home, this adapter transmits both high-definition video and audio from your USB-C device to any HDMI-equipped display. Supports DisplayPort Alternate Mode over USB-C for crisp, lag-free 4K @ 30 Hz or smooth 1080p @ 60 Hz output.
Gigabit Ethernet Connectivity
Say goodbye to unreliable Wi-Fi. The Gigabit Ethernet RJ-45 port delivers rock-solid wired network performance with transfer rates up to 1000 Mbps full duplex. Perfect for video conferencing, large file uploads, and bandwidth-intensive tasks. Supports advanced features including Wake On LAN, VLAN tagging, Jumbo Frame, and checksum offload (IPv4, IPv6, TCP, UDP) for professional-grade networking.
USB 3.0 SuperSpeed Expansion
Connect your favourite peripherals with two USB 3.0 Type-A ports offering 5 Gbps data transfer speeds. Plug in external hard drives, flash drives, keyboards, mice, printers, or any USB device. Fully backwards compatible with USB 2.0 and USB 1.1 for universal device support.
Power Delivery & Surge Protection
Keep your laptop charged and powered while using all connected devices. The USB-C Power Delivery 3.0 port supports upstream charging with up to 60W pass-through power when connected to a compatible USB-C charger. Built-in surge protection safeguards your devices from power spikes, ensuring safe and reliable operation.
Universal Compatibility
Designed for seamless use with:
- MacBook Pro, MacBook Air (USB-C models)
- Chromebook and Chrome OS devices
- Windows laptops and tablets with USB-C (USB 3.1 Gen 1 recommended)
- Any device with USB-C port supporting DisplayPort Alternate Mode and USB Power Delivery
What's in the Box
- 1 × j5create JCA374 USB-C Multi-Adapter
- 1 × Quick Installation Guide
Full Specifications
Interface
| Host Interface |
USB Type-C Male connector |
| Video Interface |
HDMI DB 15 pin Female connector |
| Ethernet Port |
RJ-45 Female connector (Gigabit Ethernet) |
| USB Ports |
USB 3.0 Female connector × 2 |
Display
| HDMI Resolution |
4K @ 30 Hz / 1080p @ 60 Hz |
| DisplayPort Requirement |
DisplayPort v1.2 required on graphics card for 4K @ 30 Hz |
Ethernet
| Transfer Rate |
1000 Mbps (Half Duplex) / 1000 Mbps (Full Duplex) |
| IEEE Standards |
IEEE 802.3az, IEEE 802.3, 802.3u, 802.3ab, IEEE 802.3x |
| Advanced Features |
Wake On LAN, suspend mode, remote wake-up, IEEE 802.1Q VLAN tagging, Jumbo Frame, Checksum Offload |
USB
| USB Data Transfer |
5 Gbps (USB 3.0 SuperSpeed) |
| USB Compatibility |
Backwards compatible with USB 2.0 and USB 1.1 |
Power
| Power Mode |
Bus-powered or self-powered |
| Power Delivery |
Up to 60W pass-through charging (USB Power Delivery 3.0) |
Physical
| Dimensions |
50.5 mm (W) × 15 mm (H) × 96.5 mm (D) |
| Cable Length |
24 cm |
| Weight |
Approximately 69 g (including cable) |
| Housing |
Premium gold aluminum casing |
System Requirements
| Host Port |
USB Type-C port (USB 3.0 or USB 3.1 Gen 1 recommended) |
| DisplayPort Requirement |
DisplayPort Alternate Mode over USB Type-C connector |
| Power Delivery |
USB Power Delivery 2.0 or 3.0 support (for charging function) |
| Operating System |
macOS X 10.6 or later, Windows (no driver required for HDMI/USB) |
Specifications are sourced from the manufacturer product page and may be updated.