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A 40cm cable with a 9-pin USB 2.0 header plug splitting to two USB-A ports on a 120mm PCI bracket

SMUGDESK

SMUGDESK 9Pin USB2.0 Header 1-to-2 Splitter 40cm 120mm PCI Bracket

SKU CH-37M0-3F01D

Converts one internal 9Pin USB2.0 header into two external Type-A ports via a 40cm cable and 120mm PCI bracket for up to 480Mbps transfer

  • Expands one internal USB header into two rear ports with included 120mm PCI bracket
  • 40cm cable length keeps internal wiring tidy and avoids excess slack inside the chassis
  • Gold-plated header pins resist oxidation and maintain a secure connection over time
  • USB 2.0 compliant for up to 480Mbps transfer with low-power peripherals like mice or flash drives
  • Driver-free passive design works with standard 9-pin motherboard headers on ATX and micro-ATX boards

Expand Rear USB Ports

This 40cm 9Pin USB2.0 header multiplier cable turns one internal motherboard USB header into dual external USB2.0 ports via a 120mm PCI rear bracket. It adds two Type-A female ports for desktop PCs and industrial computers with an unused PCI slot. The passive design requires no driver installation and works with mainstream ATX and MATX motherboards from ASUS, MSI and Gigabyte.

Low-Power Passive Operation

The splitter draws power directly from the single motherboard header and supports simultaneous connection of low-power peripherals such as a mouse, USB flash drive or USB fan. Gold-plated terminal pins resist oxidation and maintain reliable contact. Compliant with the USB2.0 specification, the link operates at up to 480Mbps transfer speed without active cooling or extra power cables.

Simple Internal Integration

A fixed 40cm cable length optimises internal wiring and avoids excess cable clutter during chassis routing. The full-height 120mm metal PCI slot bracket mounts securely into a vacant rear slot using standard fixing screws. No PCIe expansion card is needed, freeing that slot for other add-in cards while the splitter occupies only the rear bracket opening.

Highlights

  • Expands one internal USB header into two rear ports with included 120mm PCI bracket
  • 40cm cable length keeps internal wiring tidy and avoids excess slack inside the chassis
  • Gold-plated header pins resist oxidation and maintain a secure connection over time
  • USB 2.0 compliant for up to 480Mbps transfer with low-power peripherals like mice or flash drives
  • Driver-free passive design works with standard 9-pin motherboard headers on ATX and micro-ATX boards

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 40cm splitter cable and 120mm bracket, and what step is often missed?

Plug the 9Pin connector into the motherboard F_USB header, align the metal bracket with a vacant rear PCI slot, secure it with the case screws, then attach the dual USB-A ports to the bracket; the step often missed is fastening the bracket screws before routing the cable, which can strain the header.

What maintenance or replacement will this splitter need over time?

The gold-plated header pins resist oxidation, so no routine maintenance is required; only replace the unit if a port becomes physically loose or the cable insulation is damaged.

What limit appears first during sustained use of both ports?

The shared USB2.0 header caps combined throughput at 480Mbps, so heavy simultaneous transfers on both ports will hit that bandwidth ceiling before any thermal or power limit.

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