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Small green circuit board with PCIe 1x edge connector and two 20-pin USB 3.0 headers plus SATA 15 power socket

Vszerda

Vszerda USB 3.0 19/20-Pin to PCIe 1x Adapter VL805

SKU CH-YQ19-2KCPE

Converts a PCIe 1x slot into two USB 3.0 19/20-pin headers at 5Gbps, powered by a SATA 15-pin connector and VL805 controller

  • Adds two USB 3.0 front-panel headers from a single PCIe 1x slot
  • Delivers up to 5 Gbit/s bandwidth via VL805 controller
  • Compatible with both 19-pin and 20-pin USB 3.0 headers
  • Requires SATA 15-pin power connection for operation
  • Plug-in converter fits any motherboard USB 3.0 header

What this adapter does

The Vszerda VL805 card adds two USB 3.0 front-panel headers to a desktop motherboard by converting a single PCIe 1x slot. It suits builders whose chassis has 19-pin or 20-pin USB 3.0 connectors but whose board lacks the matching headers.

Installation and common issues

The card plugs into any free PCIe 1x slot and connects to the front-panel header cables. A SATA 15-pin power connector must be attached for the adapter to function; omitting this cable is the most frequent reason the ports stay dead.

USB 3.0 bandwidth limit

Each header runs at up to 5 Gbit/s, the maximum defined by the USB 3.0 standard. The single PCIe 1x lane and the VL805 controller share this bandwidth between the two ports, so simultaneous heavy transfers on both headers will divide the available throughput.

Highlights

  • Adds two USB 3.0 front-panel headers from a single PCIe 1x slot
  • Delivers up to 5 Gbit/s bandwidth via VL805 controller
  • Compatible with both 19-pin and 20-pin USB 3.0 headers
  • Requires SATA 15-pin power connection for operation
  • Plug-in converter fits any motherboard USB 3.0 header

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the VL805 adapter is running at 5Gbps after installation?

Connect a USB 3.0 device to the front-panel header and check the link speed in Device Manager or lsusb; it should report 5Gbps SuperSpeed.

What comes with the card and what must I source separately?

The package includes the PCIe 1x card with two 20-pin sockets; you must supply a SATA 15-pin power cable and the 19/20-pin front-panel cables.

Should I use the 19-pin or 20-pin header on my motherboard?

Both work; the card provides two 20-pin sockets that accept either 19-pin or 20-pin connectors.

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