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Compact USB-C hub with two HDMI, one USB 3.0 and one PD port, matte black finish

SANOXY

SANOXY USB C to Dual HDMI 4 in 1 Adapter 4K 30Hz

SKU CH-3G67-MPVTK

Connects a USB-C device to two HDMI displays at up to 4K 30 Hz while adding a USB 3.0 port and power-delivery pass-through

  • Connector count1
  • Dual 4K 30 Hz video from one USB-C port
  • USB 3.0 port adds peripheral connectivity while charging
  • PD pass-through keeps the host powered during use
  • Thunderbolt 3 and DP Alt Mode compatible
  • Works with Windows, macOS, Android and Linux

SANOXY 4-in-1 USB-C Dock

This SANOXY adapter adds two HDMI ports, one USB 3.0 port and a USB-C power delivery port to a single USB-C connection. It accepts a USB 3.1 Type-C male plug and requires a host port that supports DisplayPort Alternate Mode. The unit is new and aimed at users who need to connect two external displays plus a USB peripheral while keeping the host charged.

Suits dual-display setups; not for single-port hosts

The hub suits laptop and tablet owners who want to mirror or extend across two HDMI screens at up to 3840x2160 resolution. It works with Thunderbolt 3 compatible devices and with Windows, macOS, Android and Linux hosts that expose video over USB-C. Buyers whose device only offers USB 3.1 Gen 1 or a plain data-only USB-C port cannot use the video outputs and should look at a different solution.

Dual HDMI at 30Hz

The two HDMI outputs share a maximum timing of 3840x2160 at 30Hz, so both screens run at that refresh rate when driven together. This refresh ceiling is the deciding specification for anyone who needs smoother motion or higher frame rates for gaming or professional video work.

How it compares

Measured against everything we stock in USB Graphics & Display Adapters, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 58% of the 749 comparable items (median $23.99).

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Specifications

Product
Brand nameSANOXY
Ports & slots
Connector count1

Questions about this item

How much heat or power draw should I expect from the adapter when both HDMI outputs run at 4K 30Hz all day?

The adapter draws bus power from the USB 3.1 Type C host and the PD pass-through port; no fan or external supply is involved, so heat stays low during continuous 3840x2160 @ 30Hz operation.

My laptop only has a USB 3.1 Type C port — does it also need Thunderbolt 3 or DisplayPort Alternate Mode for dual 4K output?

Yes, the host port must support DisplayPort Alternate Mode; a plain USB 3.1 Gen 1 Type C port will not drive the two HDMI outputs at 4K 30Hz.

Will the USB 3.0 female port on the hub still run at 5 Gbps while both HDMI displays are active at 4K 30Hz?

The hub shares the USB 3.1 Type C uplink, so the USB 3.0 port operates at up to 5 Gbps alongside the dual 3840x2160 @ 30Hz video streams.

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