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Green circuit board with silver PCIe connector, black USB Type-E header and SATA power socket

SMUGDESK

SMUGDESK PCIe 3.0 x4 to USB 3.2 Gen2x2 TypeE Front Panel Adapter 20Gbps ASM3242 SATA Power

SKU CH-P9EF-5CHJQ

Adds a 20 Gbps USB 3.2 Gen 2x2 Type-E front-panel port via a PCIe 3.0 x4 slot with SATA power

  • Adds 20Gbps front-panel USB-C via ASM3242 controller
  • Fits PCIe 3.0 x4, x8 or x16 desktop slots
  • TypeE header connects directly to case front cable
  • SATA power connector keeps 20Gbps devices stable
  • Works with Windows 10, 11 and Linux plug-and-play

PCIe 3.0 x4 to USB 3.2 Gen2x2 Adapter

This adapter adds a 20Gbps USB Type-E front panel header to a desktop via a PCIe 3.0 x4 slot. It suits builders who want high-speed USB-C connectivity on a case front panel. The ASMedia ASM3242 controller manages the link. It is not for systems lacking a free PCIe x4, x8 or x16 slot.

Fits standard desktop motherboards with a PCIe x4.

The card plugs directly into the slot and connects to the chassis front panel USB-C cable via the Type-E socket. A SATA power connector supplies stable power for sustained 20Gbps operation. It frees up rear I/O ports by moving fast USB-C access to the front. No extra software is required on Windows 10, 11 or Linux.

Sustains 20Gbps bandwidth under continuous load

The ASM3242 controller and dedicated SATA power prevent speed drops or disconnects during long transfers. External SSDs, high-resolution cameras and professional USB-C peripherals keep full throughput. Backward compatibility with USB 3.2 Gen1, 3.0 and 2.0 handles slower devices without reconfiguration.

How it compares

Measured against everything we stock in Interface & Card Adapters, at today’s prices. Recalculated every night.

Price $24.99
Pricier than about 60% of the 354 comparable items (median $21.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the PCIe 3.0 x4 link cap the 20 Gbps ASM3242 controller under sustained load?

The controller is rated for 20 Gbps and the x4 slot provides the matching bandwidth, so the link itself does not throttle the advertised speed.

How much heat or power draw should I expect when the card runs all day at 20 Gbps?

The ASM3242 draws modest power from the PCIe slot and the SATA connector; no active cooling is required and heat output stays low during continuous use.

Must my case already have a Type-E front-panel cable for this adapter to work?

Yes — the bracket presents a Type-E socket, so a chassis with a matching internal USB-C header cable is needed to connect front-panel ports.

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