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Green circuit board with dual USB 3.0 Type-A ports and 20/19 pin header

Fervit

Fervit Dual USB 3.0 20/19 Pin Motherboard Header Adapter

SKU CH-1DZT-17F21

Adds two USB 3.0 Type-A ports to a 20-pin or 19-pin motherboard header for internal expansion

  • Add two USB 3.0 Type-A ports via a single 20-pin internal header
  • Backward compatible with USB 2.0 and 1.1 devices for legacy support
  • Horizontal PCB layout fits tight internal chassis spaces
  • Connect flash drives or WLAN adapters directly inside the case
  • Uses standard 19/20-pin motherboard box header for simple installation

Dual USB 3.0 Header Adapter

This Fervit adapter converts a single 20 or 19 pin internal USB 3.0 motherboard header into two external USB Type-A ports. It is designed for system builders who need additional front-panel or internal USB connectivity without occupying a rear I/O slot. The horizontal PCB layout fits tight spaces inside the chassis.

Thermals Noise Power

The passive adapter draws power directly from the motherboard header and adds no active cooling or moving parts. It operates silently and produces negligible heat during normal file transfers or peripheral use. Power consumption stays within the header's standard 5 V supply limits.

Backward Compatibility Included

Because the USB 3.0 Type-A interface remains compatible with USB 2.0 and 1.1 devices, existing flash drives, wireless adapters and legacy peripherals work without extra drivers. The bundle contains only the adapter board itself; no cables, brackets or software discs are supplied.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 55% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameFervit

Questions about this item

How do I install the 20-pin header onto my motherboard without bending pins?

Align the adapter's 20-pin connector with the motherboard's internal USB 3.0 header, press straight down until fully seated, then secure the bracket; the keyed shroud prevents reversed insertion.

What maintenance or replacement will the dual USB 3.0 Type-A ports need over time?

The ports are passive PCB-mounted connectors with no moving parts or firmware; only physical damage or debris accumulation would require replacing the entire adapter board.

What limit appears first when both ports run sustained 5 Gbps transfers?

The shared 20-pin header bandwidth caps combined throughput at 5 Gbps, so simultaneous heavy transfers on both ports will contend for that single upstream link.

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