This article covers j5create デュアル4Kディスプレイパワーベースドッキングステーション.

Overview

The j5create JCDP4140 Power Base Docking Station is a unique all-in-one solution that integrates a GaN power adapter and a 14-port USB-C hub into a single, cable-managed unit. Its built-in 163W GaN power supply delivers 100W Power Delivery to the host laptop while providing additional charging ports for peripherals. With dual 4K HDMI output, 10Gbps USB data ports, Gigabit Ethernet, and a card reader, this dock is designed for professionals who need a clean desk setup and versatile connectivity. The Space Gray finish and integrated cable management compartment make it a tidy addition to any workspace.

Connectivity & Compatibility

The dock connects to a host laptop via a 2-foot (0.6m) USB-C cable. It requires a USB-C port that supports DisplayPort Alt Mode for video output. Compatible with Windows laptops and MacBooks. Note that Mac users may need to install a driver for 4K@30Hz HDMI output. Video: 2x HDMI (4K@60Hz + 4K@30Hz). Data: 3x USB 10Gbps ports, 2x USB 2.0 ports. Networking: Gigabit Ethernet. Storage: SD/microSD card slot. Audio: 3.5mm combo jack. Charging: 100W PD to host, plus dedicated 27W and 18W USB-C PD ports for other devices. The dock also features a smart cable storage compartment to keep the host cable tidy when not in use.

Product Info

Released in late 2025, the JCDP4140 sits in the mid-to-high tier of USB-C docks due to its integrated GaN power supply and extensive port selection. The GaN technology allows for a more compact and efficient power supply compared to traditional silicon-based adapters. It carries a 2-year warranty and includes the dock, AC cable, and quick start guide. Available from online retailers and the j5create official store. Pricing is around ¥43,000–¥45,000, which is competitive for a dock with built-in power and 14 ports.

Best Use Cases

  • Laptop users seeking a clutter-free desk: The all-in-one design eliminates the need for a separate power brick and dock. The built-in cable management keeps the workspace tidy and makes it easy to pack up.
  • Creative professionals and business users running dual monitors: Dual 4K output provides ample screen real estate for editing, coding, or financial analysis. The 10Gbps USB ports enable fast file transfers with external SSDs.
  • Users who need to charge multiple devices simultaneously: In addition to 100W laptop charging, the dock offers 27W and 18W USB-C PD ports for smartphones and tablets. This reduces the number of chargers needed on a desk or while traveling.
  • Not ideal for users requiring Thunderbolt 4 bandwidth or high-resolution single displays above 4K@60Hz. Also, ensure your laptop's USB-C port supports DisplayPort Alt Mode. For laptops requiring more than 100W charging (e.g., some gaming laptops), an additional power adapter may be needed.

Product Disclosure (Amazon)

  • Manufacturer: j5create
  • Seller: セレクト191
  • Fulfilled by: セレクト191
  • ASIN: B0GPHTZT8K
  • Note: This article covers a manufacturer-made product based on Amazon listing details.