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Flat ribbon cable with multiple connectors on light background

DELL

DELL Latitude 3420 3430 IO Cable C8JMG accessory

SKU CH-DJHV-FJ8VM

Genuine Dell OEM internal cable connecting the right-side USB, SD and audio board to the motherboard for Latitude 3420 and 3430 models

  • Genuine Dell OEM part ensures exact fit and reliable function
  • Connects USB, SD and audio board to motherboard on Latitude 3420
  • Compatible with Latitude 3420 and 3430 models for direct replacement
  • Part number C8JMG matches Dell service documentation for accurate ordering
  • New condition guarantees unused, factory-quality component for repair confidence

Genuine Dell OEM IO cable for Latitude 3420 and 3430

This cable connects the right-side USB, SD card and audio board to the motherboard in Dell Latitude 3420 and 3430 laptops. It carries the part number C8JMG and is a brand-new OEM component. The part restores the side I/O functions when the original ribbon is damaged or missing.

Installation notes and common issues

The ribbon routes through the hinge area and plugs into a low-insertion-force ZIF connector on the motherboard and the IO board. Technicians should release both connector locks before seating the cable and verify the blue stiffener tab faces the correct direction. A folded or pinched ribbon during reassembly is the most frequent cause of intermittent USB or audio ports.

Compatibility check before ordering

Confirm the service tag matches a Latitude 3420 or 3430 chassis; other 14-inch Dell models use different IO board layouts and connector pinouts. Inspect the existing cable for the alternate part numbers 450.0NF09.0011 or CYBG L14 IO CABLE TGL to ensure an exact match. The motherboard and IO board must be present and undamaged for the replacement to function.

Highlights

  • Genuine Dell OEM part ensures exact fit and reliable function
  • Connects USB, SD and audio board to motherboard on Latitude 3420
  • Compatible with Latitude 3420 and 3430 models for direct replacement
  • Part number C8JMG matches Dell service documentation for accurate ordering
  • New condition guarantees unused, factory-quality component for repair confidence

Specifications

BrandDell

Questions about this item

How can I confirm the IO cable is functioning after installing it in my Latitude 3420?

The USB ports, SD card reader and audio jack on the right side should all work normally once the C8JMG cable is seated correctly.

What does the package contain and is anything else required to fit the cable?

You receive the genuine Dell OEM IO cable with part number C8JMG; no extra parts are needed for installation.

Which part number should I select for a Latitude 3430?

Choose the C8JMG cable — it is listed as compatible with both the Latitude 3420 and 3430 models.

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