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Green PCB adapter with two blue USB-A ports and 20-pin header

Vszerda

Vszerda USB 3.0 20-Pin Header to Dual USB-A Adapter with LED

SKU CH-840C-YWNAM

Adds two USB 3.0 Type-A ports to a motherboard 20-pin or 19-pin header with an LED indicator

  • Connection typeUSB Type A
  • Connector detailsUSB Type A
  • Build detailsCopper
  • Adds two USB 3.0 Type-A ports via internal 20-pin header
  • Backward compatible with USB 2.0 and 1.1 devices
  • LED indicator shows power and activity status
  • Copper construction for reliable signal integrity
  • Plugs directly into motherboard 19/20-pin USB 3.0 header

Two USB 3.0 Type-A ports from one header

This adapter plugs into a free 20-pin or 19-pin USB 3.0 motherboard header and provides two external USB Type-A sockets. It is built on a compact PCBA with copper construction and includes an LED indicator. The device suits builders who need extra front-panel or internal USB 3.0 connections without occupying a rear I/O slot.

Limited to USB 3.0 header bandwidth

The adapter relies on a single internal USB 3.0 header, so the two ports share the header’s 5 Gbps signalling rate. It is backward compatible with USB 2.0 and USB 1.1 devices, but cannot exceed the electrical limits of the motherboard header. No additional controllers or power circuitry are present on the board.

Adds two ports for flash drives or dongles

The pair of Type-A sockets comfortably handles USB memory sticks, USB-LAN adapters or similar low-profile peripherals. Because both ports draw from one header, simultaneous high-throughput transfers will contend for the same upstream bandwidth. It does not supply extra power beyond what the motherboard header provides.

How it compares

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

Price $10.99
Cheaper than about 84% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameVszerda
Ports & slots
Connection typeUSB Type A
Connector detailsUSB Type A
Size & build
Build detailsCopper

Questions about this item

Should I pick the 19-pin or 20-pin header for my motherboard?

The adapter fits both 19-pin and 20-pin internal USB 3.0 headers, so use whichever header your board provides.

What does the 5 Gbps rating mean for real-world file transfers?

The 5 Gbps link is the USB 3.0 maximum; actual throughput depends on the connected drive and system overhead.

Does the USB 3.0 interface cap speed when I plug in older USB 2.0 or 1.1 devices?

The ports are backward compatible with USB 2.0 and 1.1, so older devices will run at their own rated speeds.

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