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A short flat board with two 19-pin headers and a 20cm shielded cable ending in a 20-pin plug

LORDWORLD

LORDWORLD USB 3.0 Header Splitter 19/20 Pin 1 to 2 Hub 20cm

SKU CH-74SD-Q88ES

Splits one motherboard USB 3.0 19/20-pin header into two, supporting 5 Gbps data and backward compatibility with USB 2.0

  • Splits one 19/20 pin header into two USB 3.0 ports
  • Up to 5 Gbps transfer speed with USB 2.0 backward compatibility
  • Shielded cable and onboard chip deliver stable power and signal
  • Compact 20 cm length fits tight case routing
  • Works with most motherboards using standard 19/20 pin headers

USB 3.0 header splitter with chip

This LORDWORLD adapter turns one motherboard 19 or 20 pin USB 3.0 header into two, letting builders connect additional front-panel or internal USB 3.0 devices. A small PCB with integrated chips manages the split, and the 20 cm shielded cable carries both power and data signals. It is aimed at PC builders who have run out of native USB 3.0 headers on their board.

Practical limits of the USB 3.0 header interface

The splitter supports up to 5 Gbps per port and falls back to 480 Mbps when USB 2.0 devices are attached, matching the standard USB 3.0 protocol. Total bandwidth is shared between the two outputs, so simultaneous high-speed transfers will divide the available throughput. The note from the supplier states that a minority of motherboards may not work due to layout or firmware differences.

Installation and common issues

Connection is straightforward: plug the male header into the board, then attach up to two female headers for your cables or front-panel ports. The short 20 cm length keeps routing tidy but limits placement options in larger cases. The most frequent problem is a motherboard that refuses to recognise the splitter, usually because of header pinout variations or power-delivery constraints.

Highlights

  • Splits one 19/20 pin header into two USB 3.0 ports
  • Up to 5 Gbps transfer speed with USB 2.0 backward compatibility
  • Shielded cable and onboard chip deliver stable power and signal
  • Compact 20 cm length fits tight case routing
  • Works with most motherboards using standard 19/20 pin headers

Specifications

BrandLORDWORLD

Questions about this item

Should I pick the 19-pin or 20-pin version of the LORDWORLD USB 3.0 header splitter?

The same splitter fits both 19-pin and 20-pin motherboard headers, so you do not need to choose a separate version.

What does the 5Gbps rating mean when the splitter is installed in my PC?

Each connected device can run at up to 5Gbps, the standard USB 3.0 speed, and will fall back to 480Mbps for USB 2.0 devices.

Does the USB 3.0 interface on this splitter cap the bandwidth of two front-panel ports?

The hub chip shares the single motherboard header’s 5Gbps bandwidth between the two output headers.

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