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Small green circuit board with single USB port, new condition

DELL

DELL Inspiron 5421 3421 USB IO Circuit Board YJP8J

SKU CH-ETBW-YB7X8

A replacement I/O circuit board with a single USB port for Dell Inspiron 14R 5421 and Inspiron 14 3421 laptops

  • Weight0.5
  • OEM Dell board restores USB connectivity on Inspiron 5421 and 3421
  • Exact YJP8J part number matches factory specification for direct replacement
  • Lightweight .5 unit installs without adding bulk to the chassis
  • Single USB port replaces damaged I/O circuit for reliable peripheral use

Dell Inspiron 5421 3421 USB I/O Board

This replacement I/O circuit board provides a single USB port for Dell Inspiron 5421 and 3421 laptops. It carries Dell part number YJP8J and matches the WNR69 and 21JX3 alternates. The component weighs .5 and is supplied new. It restores the left-side USB connection when the original board fails.

For owners repairing a broken USB port on these

This part fits only the listed Inspiron 14R 5421 and Inspiron 14 3421 chassis. It will not work in other Dell series or in laptops that use a different I/O board layout. Buyers who need multiple ports, a different connector type, or a board for another model should look elsewhere.

Highlights

  • OEM Dell board restores USB connectivity on Inspiron 5421 and 3421
  • Exact YJP8J part number matches factory specification for direct replacement
  • Lightweight .5 unit installs without adding bulk to the chassis
  • Single USB port replaces damaged I/O circuit for reliable peripheral use

Specifications

BrandDELL
ModelYJP8J
Weight0.5

Questions about this item

Which Dell laptop models accept the YJP8J USB I/O circuit board?

The board fits the Inspiron 14R 5421 and the Inspiron 14 3421.

Does the YJP8J board work with the original 21JX3 or WNR69 part numbers?

Yes, it replaces Dell part numbers 21JX3 and WNR69 directly.

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