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Small rectangular Lenovo USB-C to USB-A adapter, dark grey finish

Lenovo

Lenovo 4X90Q59481 USB-C to USB-A Adapter

SKU CH-1HAA-Y4KKQ MPN 4X90Q59481

Adds a USB-A port to a USB-C device for connecting standard peripherals

  • Connect USB-A peripherals to USB-C ports
  • Male USB-A plug fits host or hub
  • Female USB-A socket accepts standard cables
  • Lenovo 4X90Q59481 model ensures compatibility
  • New condition guarantees reliable performance

What this adapter does

The Lenovo 4X90Q59481 connects a USB Type-A peripheral to a USB-C port on a laptop or desktop. It is suited for users who need to keep using existing flash drives, keyboards or mice with newer USB-C only systems. The adapter provides a single USB Standard Type-A female receptacle for the legacy device. No additional software or drivers are required for basic operation.

Thermals noise and power

The adapter draws power directly from the host USB-C port and has no active cooling components. In normal use it remains passive and silent, adding negligible load to the host power budget. There are no fans, pumps or moving parts that could generate audible noise. Thermal output is minimal and limited to the small connector housing during data transfers.

Build fit and freedoms

The compact dongle plugs inline with the host USB-C port and leaves the adjacent ports accessible on most laptops. It frees the user from carrying a separate hub when only a single Type-A connection is needed. The male Type-A connector on the adapter side mates with the host while the female Type-A port accepts the legacy cable or device. No external power supply or additional cabling is required.

Highlights

  • Connect USB-A peripherals to USB-C ports
  • Male USB-A plug fits host or hub
  • Female USB-A socket accepts standard cables
  • Lenovo 4X90Q59481 model ensures compatibility
  • New condition guarantees reliable performance

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Lenovo 4X90Q59481 adapter, and what is the common mistake?

Plug the USB-C male end into your host port and the USB-A male end into the peripheral. The mistake is forcing the reversible USB-C connector upside down, which can damage the port.

What maintenance or replacement will the Lenovo 4X90Q59481 adapter need later?

No scheduled maintenance is required. Replace the adapter if the USB-C male plug or USB-A female socket becomes loose, bent, or stops making reliable electrical contact.

What limit appears first on the Lenovo 4X90Q59481 adapter during sustained use?

The adapter is passive with no active cooling, so the first limit is heat buildup in the connector housing during continuous high-current charging or data transfer.

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