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A short Y-splitter cable with a 19/20-pin female header and two USB 3.0 Type-A ports

BUCIER

BUCIER USB 3.0 19/20pin Y Splitter 2 Port Female Cable 1FT

SKU CH-Z225-S8W49

Converts a 19/20-pin motherboard header into two USB 3.0 Type-A ports with 5Gbps data transfer and backward compatibility

  • Connector TypeUSB Type A
  • Connector DetailUSB Type A
  • Adds two USB 3.0 Type-A ports from one 19/20-pin motherboard header
  • Transfers data at up to 5Gbps for fast file moves
  • Works with USB 2.0 devices as well as USB 3.0 gear
  • Installs without extra power or software — just plug into the header
  • Compact 1FT cable keeps front-panel wiring tidy

Front-panel USB 3.0 expansion

This cable converts a single 19/20-pin motherboard header into two USB 3.0 Type-A ports for front-panel or bracket mounting. It targets PC builders and upgraders whose chassis front ports are missing, damaged or insufficient for daily peripherals. The 1 ft length suits compact routing inside small-form-factor or standard ATX cases. No external power or drivers are required for operation.

Sustained transfer behaviour

The link supports up to 5 Gbps signalling and maintains backward compatibility with USB 2.0 devices. Under continuous heavy loads such as large-file copies or streaming video from external drives, the passive copper conductors and header connection deliver stable throughput without active cooling or signal regeneration. Performance scales with the host controller and attached device capabilities.

Upgrade context and limits

The splitter replaces a single occupied front-panel header with two accessible ports, making it worthwhile when the motherboard offers only one 19/20-pin connector but the case provides two front-panel bays or brackets. It does not add extra bandwidth beyond the single header’s share, so users needing simultaneous peak throughput on both ports should verify the host controller’s total allocation before relying on concurrent heavy transfers.

Highlights

  • Adds two USB 3.0 Type-A ports from one 19/20-pin motherboard header
  • Transfers data at up to 5Gbps for fast file moves
  • Works with USB 2.0 devices as well as USB 3.0 gear
  • Installs without extra power or software — just plug into the header
  • Compact 1FT cable keeps front-panel wiring tidy

Specifications

BrandHuaLiSiJi
Connector TypeUSB Type A
Connector DetailUSB Type A

Questions about this item

Does the 19/20-pin header draw extra power or run hot when both USB 3.0 ports are used all day?

The cable is passive and needs no extra power supply; it simply routes the motherboard's existing 5 Gbps lanes to two Type-A ports, so heat and power draw stay the same as a single front-panel header.

What must my motherboard already have for this splitter to work?

A free 19-pin or 20-pin internal USB 3.0 header; the 1 ft cable plugs directly into that header and provides two Type-A ports with no other parts required.

Will my older USB 2.0 flash drives and card readers work at full speed on the two Type-A ports?

Yes, the ports are backward compatible with USB 2.0, so legacy devices function normally while USB 3.0 devices still reach 5 Gbps.

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