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Small black PCB adapter with two internal USB headers and adhesive tape

BUCIER

BUCIER USB 3.2 Gen 1 to Gen 2 Header Adapter Reverse Type

SKU CH-4P2V-6HYVV

Converts a motherboard USB 3.0 19-pin header to a USB 3.1 20-pin front-panel connector supporting 10Gbps data transfer

  • ColorReverse
  • Constructioncopper
  • Converts a USB 3.0 19 pin header to a USB 3.1 20 pin front-panel connector
  • Supports data rates up to 10 Gbps for faster front-panel Type-C devices
  • Works with common motherboards that have a USB 3.0 19 pin header
  • Driver-free installation on Windows, macOS and Linux systems
  • Compact 25 by 24 by 10 mm black PCB with self-adhesive tape included

Motherboard Header Adapter

This BUCIER adapter converts a motherboard USB 3.0 19-pin internal header into a USB 3.1 20-pin front-panel header. It is designed for builders adding a USB-C front panel to a board that only exposes the older header type. The reverse-type layout matches specific motherboard pin orientations. It operates driver-free on Windows, macOS and Linux.

19-Pin to 20-Pin Conversion

The single specification that decides fit is the connector pairing: a USB 3.0 19/20-pin male header on the motherboard side and a USB 3.1 A-Key 20-pin female header for the front panel. The adapter will not work with a USB 2.0 header. Buyers without a spare USB 3.0 internal header cannot use this part.

10 Gbps Data Headroom

The printed circuit board supports data transfer speeds up to 10 Gbps, matching the USB 3.2 Gen 2 ceiling. This headroom handles high-speed external SSDs and docks without bottleneck. The adapter draws power from the motherboard header, so total current is limited by that header's rating. It does not add extra power delivery for charging.

Highlights

  • Converts a USB 3.0 19 pin header to a USB 3.1 20 pin front-panel connector
  • Supports data rates up to 10 Gbps for faster front-panel Type-C devices
  • Works with common motherboards that have a USB 3.0 19 pin header
  • Driver-free installation on Windows, macOS and Linux systems
  • Compact 25 by 24 by 10 mm black PCB with self-adhesive tape included

Specifications

BrandBUCIER
ColorReverse
Constructioncopper

Questions about this item

Will the 10 Gbps speed hold up on a real front-panel Type-C port?

The adapter passes up to 10 Gbps, but actual throughput depends on the motherboard header, cable quality and the connected device.

Does the USB 3.2 Gen 2 header limit anything in practice?

It converts a USB 3.0 19-pin motherboard header to a USB 3.1 20-pin A-Key front-panel header; the link runs at USB 3.0 speeds unless the board and device both support Gen 2.

What clearance does the 25×24×10 mm board need to fit?

The PCB measures 25 mm by 24 mm by 10 mm and includes self-adhesive tape for securing it inside the case.

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