The Dell TP004 is a front I/O panel assembly designed for OptiPlex 330 desktop systems. This internal module adds USB 2.0 connectivity and integrated audio headers to the front bezel, enabling convenient access to peripheral ports and audio input/output without routing cables through the chassis. The TP004 connects via standard internal headers to the system motherboard and includes the requisite cable harness for installation. Compatible with OptiPlex 330 form factors, it supports legacy and contemporary USB peripherals while maintaining audio signal integrity for headphones, microphones, and speakers routed through the front interface. Typical applications include office environments and educational labs where end-user accessibility to audio and USB ports reduces deployment friction.Tested and guaranteed. Available via quote from G5 Network Group.