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Short black cable with a wide 19-pin male plug and a smaller 9-pin female socket

BUCIER

BUCIER USB 3.0 19 Pin Male to USB 2.0 9 Pin Female Motherboard Cable Adapter 12 cm

SKU CH-W1P7-0XM0R

Connects a USB 3.0 19-pin front-panel header to a USB 2.0 9-pin motherboard header at 480 Mbps over 12 cm

  • Connection typeLighting Connector to USB A
  • Connect USB 3.0 front-panel ports to USB 2.0 motherboard headers
  • 19-pin male plug fits USB 3.0 header on the case
  • 9-pin female socket accepts USB 2.0 header on the board
  • 12 cm length keeps internal routing tidy
  • Data transfers at 480 Mbps over USB 2.0 connection

Adapter purpose and audience

This BUCIER adapter converts a USB 3.0 19 pin male header into a USB 2.0 9 pin female connection. It is intended for builders who need to install a USB 2.0 based motherboard into a PC cabinet that only provides front-panel USB 3.0 ports.

Build integration

The 12 cm cable lets you plug the motherboard's internal USB 2.0 header directly into the case's existing 19 pin front-panel connector. No extra headers or controllers are required, freeing the builder from adding a separate USB 2.0 bracket or rewiring the front panel.

Sustained behaviour

Data throughput is limited to 480 Mbps, matching USB 2.0 specification even when a USB 3.0 device is attached. The short 12 cm length keeps signal degradation minimal during continuous transfers, and the passive design adds no latency or power draw beyond the header itself.

How it compares

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

Price $10.99
Cheaper than about 84% of the 15,227 comparable items (median $14.99).

Specifications

Ports & slots
Connection typeLighting Connector to USB A

Questions about this item

Will the 480 Mbps data speed hold steady when the 19-pin male connector is plugged in for hours?

The adapter is rated for 480 Mbps USB 2.0 throughput; sustained use does not change that specification.

Does the 12 cm cable run warm or draw extra power when the 9-pin female header stays connected all day?

It is a passive wiring adapter with no active components, so it generates no measurable heat and draws no power beyond the connected device.

Must my motherboard already have a USB 2.0 9-pin header for this 19-pin male to 9-pin female adapter to work?

Yes, the 9-pin female end plugs directly into a standard USB 2.0 motherboard header; without that header the adapter cannot connect.

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