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Small green circuit board with four USB ports and audio jacks

DELL

DELL OptiPlex 330 360 755 760 Front USB I/O Audio Circuit TP004

SKU CH-QQYM-TXHFP

Front USB and audio circuit board for OptiPlex 330, 360, 755 and 760 desktops

  • ProcessorLaptop-computer-replacement-parts
  • Genuine Dell OEM part ensures exact fit
  • Front USB and audio restore full I/O access
  • Compatible with OptiPlex 330, 360, 755, 760
  • LED indicator included for power status visibility

Dell OptiPlex Front USB I/O Audio Circuit

This genuine Dell OEM circuit board provides front-panel USB and audio connectivity for OptiPlex 330, 360, 755 and 760 desktop systems. It includes the integrated LED indicator and matches the original factory specification. The part number is TP004. It is intended for owners of those specific models who need to restore front-port functionality.

Sustained-load behaviour for repair use

The board handles repeated daily insertions of USB devices and audio plugs without signal degradation. It draws power directly from the motherboard header, so thermal load remains negligible during continuous operation. No active cooling or firmware updates are required. Buyers needing internal expansion headers or rear-panel replacements will not be served by this part.

How it compares

Measured against everything we stock in Audio Controls, Interfaces & Add-Ons, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 99% of the 68 comparable items (median $25.99).

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Specifications

Product
Brand nameDELL
Processor
ProcessorLaptop-computer-replacement-parts

Questions about this item

Does the front USB I/O audio circuit board generate any noise or heat when the OptiPlex runs all day?

The TP004 circuit board is a passive front-panel assembly with no fans or active components, so it adds no audible noise or measurable heat to the OptiPlex 330, 360, 755 or 760 during continuous operation.

What must already be present in the chassis for this TP004 board to function?

The board connects to the motherboard front-panel header and requires a Dell OptiPlex 330, 360, 755 or 760 case with the matching cut-out and internal cable routing already in place.

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