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Small green circuit board with a PCI Express edge connector and a 19 pin header socket

Ruth's sister

Ruth's sister Front PCI-E To 19/20 Pin Header Adapter internal power cable

SKU CH-JNM9-YYZSB

Adds two internal USB 3.0 ports to a front-panel 19-pin header via a PCI Express 2.0 x1 card with 5 Gbps throughput

  • Adds two front-panel USB 3.0 ports via 19-pin header
  • Connects to PCIe slot for 5000 Mbps throughput
  • Works with USB 2.0 and 1.1 devices automatically
  • Draws power from the slot, no extra cable needed
  • Uses xHCI 0.95 controller for stable operation

Front PCI-E To 19/20 Pin Header Adapter

This adapter connects a motherboard PCI Express slot to an internal 19-pin USB 3.0 header. It adds two front-panel USB 3.0 Type-A ports without requiring an external power connector. The card complies with the USB 3.0 Specification Revision 1.0 and PCI Express 2.0. A control chip enables 5 Gbps super-speed operation.

Builders adding front USB 3.0 ports

Suitable for desktop builders whose chassis has a 19-pin header but no front USB 3.0 ports. The xHCI 0.95 controller supports hot-plug and supplies up to 5 V 900 mA per port. Not suitable for systems lacking a free PCI Express slot or a 19-pin front-panel header. Buyers who need more than two additional ports should look elsewhere.

Dual-port 5 Gbps USB 3.0 expansion

The single specification that decides fit is the 19-pin internal header on the motherboard or front-panel module. Without that exact header the card cannot be connected. The adapter delivers two USB 3.0 ports at 5000 Mbps and remains backward compatible with 480 Mbps and 12 Mbps devices.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $16.99
Pricier than about 55% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter draw extra power or generate noticeable heat when the front-panel USB 3.0 ports run at 5000 Mbps all day?

No external power supply is required; the adapter takes up to 5 V 900 mA from the PCI Express slot, so heat and power draw stay minimal during continuous 5 Gbps transfers.

What must already be inside the case for this 19-pin header adapter to work?

A free PCI Express 2.0 slot and a motherboard USB 3.0 19-pin internal header are needed; the card plugs into the slot and the header cable connects to the board.

Will the card work alongside older USB 1.1 peripherals that only manage 12 Mbps?

Yes, the controller is downward compatible with USB 1.1 and 1.0, so legacy devices still enumerate at 12 Mbps or 1.5 Mbps while the front-panel ports run at 5 Gbps.

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