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J5create JCD381 USB Type-C Dual HDMI Mini Dock

The USB Type-C Dual HDMI Mini Dock provides extra connectivity from your computer with 5 Gbps faster transfer speed. This portable docking station allows you to add additional USB computer peripherals, two HDMI monitors (one 4K and one 2K), or a Gigabit LAN through your USB port. When connected with a power source, the USB Type-C input charging port allows you to continue charging your notebook or smartphone.

USB Type-C is the new standard for connecting PCs and laptops and will eventually replace all current USB cables and connectors. This new USB standard can be found on laptops, phones, tablets, etc. The USB Type-C has a slim and reversible design, so there is no wrong way to plug it in. USB Type-C offers greater power delivery and faster data transfer rates of up to 5 Gbps.

Dual Display HDMI 4K + 2K

Allows you to add two additional monitors/displays to increase your efficiency at work through your USB-C port. Extend your visual workplace with excellent dual-video HDMI.

Power Delivery

Charge your laptop/cell phone, connect multiple peripherals and transfer data at the same time.

Extra Connectivity for Your Computer

USB 3.0, Ethernet, Power Delivery and 2 HDMI video ports over a single USB-C connection. Connect to a computer or tablet with a USB type-C port.

5 Gbps Transfer Speed

2-Port USB 3.0 supports transfer speeds up to 5 Gbps.

Maximum Type-C Compatibility

Supports all Type-C devices: Apple, Dell, HP, Lenovo, Microsoft, etc.

Small, Compact, and Lightweight

Perfect for on-the-go.

Cutting-Edge Design

The advanced heat-eliminating design makes the JCD381 the perfect solution for expanding virtually any laptop into a full-sized workstation without the worry of overheating.


Display interface

  • Supports two displays - max resolution: 4K @ 30 Hz / 1080p @ 60 Hz
  • Easily add an additional display through a USB 3.0 and HDMI connection
  • Video playback performs at 1080p HD with a resolution of up to 4K @ 30 Hz
  • Add an additional monitor without adding an expensive, internal video card, avoiding complicated installation
  • Hot swappable USB enables you to add or remove monitors without rebooting your system
  • Move and view your large spreadsheets across two screens without overlapping windows
  • Multitask with larger landscape/desktop space
  • Ideal for viewing multiple windows at the same time

USB 3.0 SuperSpeed

Transfer rates of up to 5 Gbps, enables bulky file backup

Backwards compatible with USB 2.0 and USB 1.1 devices

Hot-swapping connect/disconnect without powering down

Great for multitasking in a wide variety of applications including: phone centers, stock markets, hospitals, graphic design, editing, accounting, etc.

A must have for surfing the web and working on your e-mail/Facebook/Twitter accounts all at the same time.

Gigabit Ethernet

  • Quickly add a Gigabit Ethernet port
  • IEEE 802.3, 802.3u and 802.3ab (1BASE-T, 100BASE-TX, and 1000BASE-T) compatible
  • Activity and Link LED indicators

j5 Advantages

  • Add multiple screens, one up to 4K high resolution. USB-C port compatible display without Alt-DP mode.
  • Add 2 additional USB ports through your USB-C port.
  • Supports upstream charging & power delivery 2.0 via USB Type-C charging Port
  • Use with j5create’s JUP42 PD charging station for ultimate functionality.

System Requirements

  • Mac OS X 10.8 or later
  • Available USB 3.0/2.0 port (USB 3.0 recommended)
  • Available USB Type-C port (USB 3.1 is recommended)
  • Available USB power delivery over USB Type-C to support upstream charging
  • Microsoft Windows 10/ 8.1/ 8/ 7 (32-bit or 64-bit) compatible
  • Office applications / Web browsers
  • CPU: Intel Core i3 Dual Core 2.8 GHz
  • RAM: 2 GB memory or higher
  • One 2K (2048 x 1152 @ 60 Hz) full-screen video playback
  • CPU: Intel Core i5 Quad Core
  • RAM: 4 GB memory or higher
  • One 4K Ultra HD or two 2K (2048 x 1152 @ 60 Hz) full-screen video playback
  • CPU: Intel Core i7 Quad Core
  • RAM: 8 GB memory or higher
  • Graphics card: Intel HD Graphics 4000/ ATI HD 7xxx/ NVIDIA 5XXM or higher

Package Contents

  • USB Type-C Dual HDMI Mini Dock (JCD381)
  • Driver CD
  • Quick Installation Guide



Host Interface

USB 3.1 Gen 1 Type-C Male

Video Interface

HDMI Type-A Female connector x 2

Ethernet Port

Gigabit Ethernet RJ-45 Female connector

USB Type-A Port

USB 3.0 Female connector x 2

USB Type-C Port

USB Type-C Power In x 1 port (Supports upstream charging and Power Delivery 2.0)


Power Mode

Bus-powered or self-powered



Max Resolution 4K @ 30 Hz / 1080p @ 60 Hz


Transfer Rate

1000 Mbps (Half Duplex) / 1000 Mbps (Full Duplex)


IEEE 802.3az, IEEE 802.3, 802.3u, and 802.3ab, IEEE 802.3x


Supports Wake on LAN function, suspend mode and remote wakeup via link-change, magic packet, or Microsoft wakeup frame

Supports IEEE 802.1Q VLAN tagging and 2 VLAN ID filtering

Supports Jumbo Frame

Supports Checksum Offload (IPv4, IPv6, TCP, UDP) and TCP Large Send Offload

Physical Specifications


Main body

5.1 (W) x 2.1 (H) x 0.6 (D) in.

130 (W) x 54 (H) x 15 (D) mm

Cable length

7.8 in.

Cable length

20 cm



0.25 lbs/ 113.5 g

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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