j5create JCD401 USB4 Dual 4K Multi-Port Hub

Docks

Here is a closer look at j5create JCD401 USB4 Dual 4K Multi-Port Hub.

About

A compact USB4 hub from j5create offering HDMI and DisplayPort outputs for dual-monitor setups, with output count on Mac depending on the exact Apple Silicon chip.

Specs

HDMI version
2.0
DisplayPort version
1.2
DP Alt Mode
Yes
Power Delivery in
85W
PD passthrough to host
85W
Max resolution
3840x2160@60Hz
Requires DisplayLink driver
No

Ports: 1× USB-C 10Gbps (DP 1.2), 1× USB-A 10Gbps, 1× USB-C PD-In, 1× HDMI and 1× DisplayPort 1.2

Confirmed with

  • Notebook (generic)

    Mac computers with the M1 and M2 chip only support 1 external display. Mac computers with the M1/M2 Pro, M1/M2 Max, or M1 Ultra chip support 2 external displays.

    Source: info.j5create.com
    Confirmed — caveat
  • Steam Deck

    Confirmed working via the HDMI port (video + charging). The secondary USB-C DP output on the dock does not work with the Steam Deck, since exposing a DP port there requires Thunderbolt/USB4 host support the Deck lacks.

    Source: www.reddit.com
    Confirmed — caveat
  • ROG Ally

    A user confirms VRR works on all ports (USB-C, HDMI, DP) and 30W Turbo mode works, using a 100W power supply.

    Source: www.reddit.com
    Confirmed — caveat

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