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Black rectangular PCB splitter with two 9-pin male headers and a 30cm female-to-female extension cable

BUCIER

BUCIER USB 2.0 9Pin 1-to-2 Splitter with 30cm Extension Cable

SKU CH-5Y2E-BP06E

Splits a single motherboard USB 2.0 9-pin header into two with an included 30 cm extension cable

  • Connector TypeMicro USB to Mini USB
  • Splits one internal USB 2.0 header into two for extra devices
  • 30 cm female-to-female extension cable aids cable routing inside the case
  • Standard 10-pin IDC header with one key pin removed for correct alignment
  • Male 9-pin connector plugs directly into motherboard USB 2.0 header
  • Dual male 9-pin outputs support cooling, lighting or other internal USB peripherals

Internal header splitter for extra USB ports

This adapter turns a single motherboard USB 2.0 9-pin header into two male headers. It is aimed at PC builders who need additional internal connections for fan controllers, lighting controllers or other devices that draw power from the header. The included 30 cm female-to-female extension cable helps reach headers in larger cases.

Splits one 9-pin header into two male headers

The board converts one internal USB 2.0 9-pin male connector into two identical male connectors. Note that the motherboard header is a standard 10-pin IDC layout with one pin removed to prevent misalignment, which is why it is referred to as 9-pin. No extra drivers or software are required for the split to function.

Passive design draws no extra power

Because the splitter contains no active circuitry, it adds negligible resistance and generates no measurable heat. Noise is unaffected as there are no fans or moving parts. The extension cable simply carries the existing 5 V signal and ground lines to the desired location inside the chassis.

Highlights

  • Splits one internal USB 2.0 header into two for extra devices
  • 30 cm female-to-female extension cable aids cable routing inside the case
  • Standard 10-pin IDC header with one key pin removed for correct alignment
  • Male 9-pin connector plugs directly into motherboard USB 2.0 header
  • Dual male 9-pin outputs support cooling, lighting or other internal USB peripherals

Specifications

Connector TypeMicro USB to Mini USB

Questions about this item

What does the 9-pin header actually provide once it is plugged into a real motherboard?

It delivers a standard USB 2.0 internal header with one pin removed for keying, giving two usable ports for devices such as fan controllers or RGB lighting.

Which interface standard does the splitter use and what does it limit in practice?

It uses the USB 2.0 internal header standard, which caps data throughput at USB 2.0 speeds and provides the standard 5 V power rail for connected devices.

What clearance and mounting space does the 30 cm extension cable need inside the case?

The 30 cm female-to-female cable requires enough slack to reach from the motherboard header to the device location, with room for the splitter PCB and both 9-pin plugs.

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