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Black USB 3.0 19-pin header to USB-C 20-pin A-key adapter

BUCIER

BUCIER USB 3.0 19-Pin Header to USB 3.1/3.2 Type-C 20-Pin A-Key Adapter

SKU CH-ANX2-R9H84

Converts a motherboard 19-pin USB 3.0 header to a 20-pin USB 3.1/3.2 Type-C A-Key front-panel connector

  • Connection typeUSB Type C
  • Connector detailsUSB Type C
  • Build detailsCopper
  • Product colorBlack
  • Adds USB-C front-panel access to boards with a 19-pin USB 3.0 header
  • Converts the internal 19-pin header to a 20-pin A-Key USB 3.1/3.2 Type-C connector
  • Works with any motherboard that provides a USB 3.0 19-pin header
  • Copper construction for reliable signal transfer
  • Does not increase the 5 Gb/s link to 10 Gb/s

USB 3.0 19-Pin to USB-C Adapter

This adapter connects a motherboard USB 3.0 19-pin header to a front-panel USB-C 20-pin A-Key connector. It lets builders add a USB Type-C port to a case front panel without needing a newer motherboard. The device supports the 5 Gb/s speed of the USB 3.0 header and does not convert it to 10 Gb/s. Construction uses copper conductors inside a black housing.

Build Integration and Header Compatibility

The adapter fits any motherboard equipped with a USB 3.0 or USB 3.1 Gen 1 internal 19-pin male header. It provides a female 20-pin A-Key header for the case front-panel cable, freeing the builder from hunting for a board with native USB-C headers. No extra power or driver installation is required; the link is passive and relies on the existing header bandwidth.

Suitability and Limitations

This suits PC builders upgrading older cases or custom enclosures that include a USB-C front port but lack a matching motherboard header. It is not for users who need 10 Gb/s throughput, as the 19-pin header remains limited to 5 Gb/s. Buyers whose motherboards only offer USB 2.0 9-pin headers cannot use this adapter.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $16.99
Pricier than about 60% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameBUCIER
Product colorBlack
Ports & slots
Connection typeUSB Type C
Connector detailsUSB Type C
Size & build
Build detailsCopper

Questions about this item

Will the 19-pin header on my motherboard limit the adapter to 5 Gb/s even though the front panel is USB 3.1/3.2?

Yes, the adapter does not convert the 5 Gb/s header signal to 10 Gb/s; the front-panel Type-C port will run at USB 3.0 / 3.1 Gen 1 speeds.

Does the adapter generate noticeable heat or noise when the front-panel port is used continuously?

The passive copper construction has no active cooling and draws negligible power, so it produces no audible noise and no perceptible heat during all-day use.

What motherboard header must I already have for this adapter to work?

You need an available USB 3.0 / 3.1 Gen 1 internal 19-pin male header on the motherboard.

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