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Gray rectangular USB-C adapter with HDMI, VGA, USB 3.0 and USB-C PD ports

Corn Electronics

Corn Electronics USB C to HDMI VGA Adapter 4K 30Hz VGA 1080P 60Hz USB 3.0 87W PD Gray

SKU CH-R69H-QR825

Adds HDMI 4K 30 Hz, VGA 1080p 60 Hz, USB 3.0 and 87 W PD charging to a USB-C port

  • ColorGray
  • Connect a 4K display at 30Hz via HDMI
  • Drive a VGA monitor at 1080p 60Hz
  • Transfer files at 5 Gbps through USB 3.0
  • Charge a USB-C laptop with up to 87W PD
  • Mirror the same image on two external screens

Product and purpose

This USB-C adapter expands a single port into HDMI, VGA, USB 3.0 and 87W Power Delivery pass-through. It suits users who need to connect legacy VGA projectors and modern 4K displays while keeping their laptop charged and a USB peripheral attached. The HDMI output reaches 3840×2160 at 30Hz and the VGA output reaches 1920×1080 at 60Hz. Simultaneous use mirrors the same content on both screens at 1920×1080 60Hz.

Thermals noise and power

The unit draws power from the host USB-C port and passes up to 87W to the connected laptop, so thermal output depends on the host charger and load. No fan is present, making operation silent. The USB 3.0 port delivers up to 5 Gbps for data transfers while the adapter itself consumes only the overhead required for video conversion and port management.

Build and daily connectivity

A gray aluminium-finish housing encloses the circuitry, with one HDMI, one VGA, one USB-A 3.0 and one USB-C PD port arranged along the edges. The short integrated cable reduces strain on the host port during desk use. The adapter works with Thunderbolt 3 hosts and a range of USB-C laptops and tablets that support video alt mode, but it does not enable independent extended desktops on the two video outputs.

Highlights

  • Connect a 4K display at 30Hz via HDMI
  • Drive a VGA monitor at 1080p 60Hz
  • Transfer files at 5 Gbps through USB 3.0
  • Charge a USB-C laptop with up to 87W PD
  • Mirror the same image on two external screens

Specifications

ColorGray

Questions about this item

How do I install the USB-C adapter and what step do people often miss?

Plug the USB-C connector into a port that supports video output and Power Delivery; the step often missed is confirming the host port carries DisplayPort Alt Mode, otherwise HDMI and VGA stay dark.

What maintenance or replacement will the adapter need later?

No scheduled maintenance is required; if the USB-C cable frays or the PD controller fails after heavy 87W charging cycles, replace the whole unit.

What limit appears first during sustained use?

When HDMI and VGA run together, both outputs drop to 1920×1080@60Hz and show duplicate content, so the simultaneous-use resolution ceiling is the first bottleneck.

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