InLine USB 3.0 to 2.0 Adapter internal USB3.0 19 Pin to USB2.0 internal device

The InLine USB 3.0 to 2.0 Adapter (InLine 33449L) provides an internal connection that converts a motherboard USB 3.0 19-pin header to a USB 2.0 output. It enables installation of one or two USB 2.0 devices using the internal USB 3.0 connector and is supplied in a compact black and blue housing designed for in‑case use.

Advantages

This adapter ensures compatibility between newer USB 3.0 internal headers and legacy USB 2.0 devices without requiring external cabling. Its 19-pin to USB 2.0 wiring supports straightforward installation to the motherboard header and offers a tidy, space-saving solution for internal device connections. The compact form factor and standard connector types make it convenient for system builds and upgrades.

Suitable for

• Connecting internal USB 2.0 devices to a motherboard USB 3.0 19-pin header
• System builds or upgrades requiring internal USB 2.0 ports
• Compact PC cases where external adapters are impractical

Key specifications

• Brand: InLine
• Model: 33449L
• Connector 1: internal USB 3.0 port (USB 19-pin)
• Connector 2: USB 2.0
• Product colour: Black, Blue
• EAN: 4043718209958

How to use

Power down the PC and disconnect it from mains power. Locate the motherboard USB 3.0 19-pin header, align the adapter's 19-pin plug with the header and carefully press it into place. Route the USB 2.0 output cable to the internal device and connect it. Reassemble the case, restore power and verify the connected device is recognized by the system.

Recommendations

Use this adapter only for internal connections; do not expose the connector to moisture or excessive force. Ensure the motherboard header orientation matches the connector pinout before installation to avoid damage.