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Dell Studio 1555 ExpressCard and SD card reader board W955J

DELL

DELL Studio 1555 ExpressCard & SD Card Board W955J

SKU CH-2MT1-KQC8Z

ExpressCard slot and SD card reader board for Dell Studio 1555 laptops

  • CPU TypeExpressCard & SD Card Board
  • Genuine Dell OEM part ensures exact fit for Studio 1555
  • Combines ExpressCard slot and SD card reader in one board
  • Includes necessary cables for direct motherboard connection
  • Dell part number W955J confirms correct replacement component
  • Supplied in like-new condition ready for installation

Dell Studio 1555 I/O Board

This replacement circuit board restores the ExpressCard slot and SD card reader on a Dell Studio 1555 laptop. It is intended for owners of that specific model who have lost front-side expansion or media-read capability due to port damage or board failure.

Sustained use profile

The component is a passive I/O assembly without active cooling or power regulation, so thermal throttling does not apply. Its reliability under continuous card insertion cycles depends on the physical durability of the connectors and the solder joints to the motherboard.

Installation notes

Fitting requires partial disassembly to reach the motherboard connector and the ExpressCard cage. The original screws are not supplied, so the installer must reuse existing fasteners or source replacements. Misalignment of the flex cable or incomplete seating of the board edge connector are the most common causes of a non-functioning slot after reassembly.

Highlights

  • Genuine Dell OEM part ensures exact fit for Studio 1555
  • Combines ExpressCard slot and SD card reader in one board
  • Includes necessary cables for direct motherboard connection
  • Dell part number W955J confirms correct replacement component
  • Supplied in like-new condition ready for installation

Specifications

BrandDELL
CPU TypeExpressCard & SD Card Board

Questions about this item

How much power does the ExpressCard & SD Card Board draw when the laptop runs all day?

The board is a passive I/O assembly with no active components, so it adds no measurable power draw or heat beyond the laptop's own ExpressCard and SD interfaces.

Which Dell laptop must I already own for the W955J board to fit and function?

It is designed exclusively for the Dell Studio 1555 motherboard and will not align or connect in any other model.

Will the W955J board work alongside the original Studio 1555 motherboard and chassis I keep?

Yes, it replaces the factory ExpressCard and SD reader assembly directly on the Studio 1555 motherboard using the existing cables and mounting points.

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