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Black 50 cm cable with 19/20-pin header splitting to two USB-A ports

BUCIER

BUCIER USB 3.0 19/20-pin to 2×USB-A front panel cable 50cm

SKU CH-HXZ1-702TD

Converts a motherboard 19/20-pin header into two front-panel USB 3.0 Type-A ports with 50 cm shielded cable

  • Connector TypeUSB Type A
  • Connector DetailUSB Type A
  • Constructioncopper
  • Adds two USB 3.0 Type-A ports from a single 19/20-pin motherboard header
  • Supports up to 5 Gbps transfer speed with twisted-pair conductors
  • Shielded with inner membrane, woven copper mesh and aluminium for stable data
  • 50 cm flexible PVC cable resists breakage for reliable front-panel installs
  • Works with Windows XP through 8 (32/64-bit) and macOS 10.8+

Front-panel USB 3.0 adapter

This 50 cm cable converts a motherboard 19/20-pin header into two USB 3.0 Type-A ports for a PC case front panel. It suits DIY builders who need to add modern USB connectivity to an older chassis or replace a damaged front-panel header. The assembly uses copper conductors with twisted-pair data lines and shielded construction.

Shielding and signal quality

Twisted-pair data conductors provide impedance matching to minimise crosstalk at USB 3.0 speeds. Inner membrane shielding plus an outer woven copper mesh and aluminium-platinum layer reduce electromagnetic and radio-frequency interference for stable transfers. The PVC jacket is rated for flexibility and durability in normal case routing.

Sustained transfer behaviour

The cable supports up to 5 Gbps when connected to a USB 3.0 header and USB 3.0 devices; it falls back to USB 2.0 speeds if plugged into a USB 2.0 port. No active circuitry is present, so performance depends entirely on the host controller and attached peripherals. It is not a power-delivery or charging cable.

Highlights

  • Adds two USB 3.0 Type-A ports from a single 19/20-pin motherboard header
  • Supports up to 5 Gbps transfer speed with twisted-pair conductors
  • Shielded with inner membrane, woven copper mesh and aluminium for stable data
  • 50 cm flexible PVC cable resists breakage for reliable front-panel installs
  • Works with Windows XP through 8 (32/64-bit) and macOS 10.8+

Specifications

BrandXMSJSIY
Connector TypeUSB Type A
Connector DetailUSB Type A
Constructioncopper

Questions about this item

How do I connect the 19/20-pin header to my motherboard and which mistake should I avoid?

Align the keyed 19/20-pin plug with the motherboard USB 3.0 header and press straight in; the common error is forcing it upside-down, which bends pins.

What upkeep will the 50 cm cable and its two USB-A ports need over time?

Inspect the PVC jacket and woven copper shielding for cuts, keep the female ports dust-free with compressed air, and reseat the header if connections become intermittent.

What limits sustained transfer speed on this 5 Gbps link first?

The 50 cm length and twisted-pair construction support the full 5 Gbps, so the bottleneck is the host controller or attached device, not the cable itself.

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