j5create USB-C to HDMI & USB 3.0 with Power Delivery (JCA379)

Adapters

This is what matters about j5create USB-C to HDMI & USB 3.0 with Power Delivery (JCA379).

About

A minimalist j5create 3-port adapter — HDMI at 4K@30Hz, one USB 3.0 port, and a legacy PD 2.0 charging port that is locked to charging only, with no data pass-through.

Specs

Power Delivery in
100W
Max resolution
3840x2160@30Hz
Requires DisplayLink driver
No

Ports: 1× HDMI, 1× USB-A 3.0 (5Gbps) and 1× USB-C (PD 2.0 in only)

Confirmed with

  • Notebook (generic)

    The single USB-C port on the chassis is hardware-locked to act exclusively as an upstream charging input — it cannot transmit any peripheral data.

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

    A Reddit user reports this dock outputs video over HDMI to the Steam Deck, but the connection typically stops working if an additional USB peripheral (like a wireless mouse dongle) is plugged in — power draw appears to be the limiting factor.

    Source: www.reddit.com
    Confirmed — caveat
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