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Green PCB add-in card with silver 20-pin USB 3.2 header, USB 2.0 Type-A port and metal bracket

EN-Labs

EN-Labs PCIe to USB 3.2 20-Pin Header Card with USB 2.0 Type-A & Full-Profile Bracket

SKU CH-0MV0-XQAE4

Adds a USB 3.2 20-pin header and extra USB 2.0 port via PCIe 2x–16x slot using ASMedia ASM3142 controller

  • TypePCI Express to USB Card
  • Adds a 20-pin USB 3.2 header at 10 Gbps
  • Extra USB 2.0 Type-A port for additional front-panel devices
  • ASMedia ASM3142 controller delivers dedicated 10 Gbps bandwidth per port
  • Fits PCIe x2, x4, x8 and x16 slots — not x1
  • Full-profile bracket and solid capacitors for durable installation

EN-Labs PCIe to USB 3.2 Header Card

This EN-Labs add-on card expands a desktop motherboard with a USB 3.2 20-pin internal header and an additional USB 2.0 Type-A female connector. It targets builders who need front-panel or rear-panel USB-C connectivity from a single PCIe slot. The board fits full-profile brackets and uses an ASMedia ASM3142 controller. It is not suited for systems that only offer a PCIe 1X slot.

10 Gbps header with USB 2.0 expansion

The USB 3.2 20-pin A-Key header delivers up to 10 Gbps data transfer when the host provides a PCIe 3.0 x4 link; it remains backward compatible with PCIe 2.0 at reduced throughput. An extra USB 2.0 Type-A port adds a low-speed connection for peripherals such as licence dongles or wireless receivers. The card will not function in a PCIe 1X slot, so platforms limited to that width cannot use it.

ASM3142 controller and solid capacitors

The ASMedia ASM3142 master controller provides dedicated bandwidth for the USB 3.2 header through a PCIe 3.0 x4 interface. Solid capacitors and metal panel construction aim to improve electrical stability during sustained transfers. The 20-pin header uses a 180-degree orientation for straightforward cable routing inside the chassis. Installation requires the system to be powered off and unplugged to avoid shorting pins.

Highlights

  • Adds a 20-pin USB 3.2 header at 10 Gbps
  • Extra USB 2.0 Type-A port for additional front-panel devices
  • ASMedia ASM3142 controller delivers dedicated 10 Gbps bandwidth per port
  • Fits PCIe x2, x4, x8 and x16 slots — not x1
  • Full-profile bracket and solid capacitors for durable installation

Specifications

TypePCI Express to USB Card

Questions about this item

Will the card fit in a PCIe x1 slot on an older motherboard?

The card requires a PCIe x2, x4, x8 or x16 slot and will not function in a PCIe x1 slot.

How can I verify the ASMedia ASM3142 controller is delivering 10Gbps speeds after installation?

Check the device manager or system profiler to confirm the controller enumerates as a USB 3.2 Gen 2 device, then run a benchmark with a compatible drive.

Does the box include the 20-pin cable for my front-panel USB-C port?

The card provides a 20-pin USB 3.2 header and an extra USB 2.0 Type-A port; a front-panel cable is not included and must be purchased separately.

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