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Flat ribbon cable with two connectors for Dell OptiPlex 990 USFF front panel

DELL

Dell OptiPlex 990 USFF Front I/O Panel Cable 1YMGT

SKU CH-H1WZ-KD8EX

Connects the front panel ports on compatible OptiPlex USFF desktops using Dell part 1YMGT

  • Genuine Dell part ensures reliable front-panel connectivity
  • Supports OptiPlex 990 USFF and eight other compatible models
  • Original equipment cable fits without modification
  • Restores USB, audio and power-button functions
  • New OEM component for dependable long-term service

Genuine Dell Front I/O Cable for OptiPlex USFF

This genuine Dell original Front I/O Panel Cable carries part number 1YMGT. It is designed for the OptiPlex 990 USFF desktop and a range of compatible OptiPlex models including the 390, 790, 3010, 7010, 3020, 7020 and 9020. The cable restores front-panel USB and audio connectivity when the original harness is damaged or missing. It is a direct replacement part for Dell OEM systems.

Passive cable with no power or thermal impact

As a passive wiring harness, the cable draws no power and generates no heat. It adds no audible noise to the system because it contains no moving parts or active electronics. Installation simply routes the cable between the front panel board and the motherboard header. Normal operation leaves system thermals and acoustics unchanged.

Restores front USB and audio ports without extra

The cable re-enables the front I/O panel ports so users can connect headsets, flash drives or peripherals directly at the chassis front. No drivers, firmware or configuration utilities are required for the connection to function. It is a purely physical link that returns the desktop to its original front-access capability. Buyers needing internal header adapters or rear-panel extensions will not find those functions here.

Highlights

  • Genuine Dell part ensures reliable front-panel connectivity
  • Supports OptiPlex 990 USFF and eight other compatible models
  • Original equipment cable fits without modification
  • Restores USB, audio and power-button functions
  • New OEM component for dependable long-term service

Specifications

BrandDell

Questions about this item

How do I install the 1YMGT front I/O panel cable in my OptiPlex 990 USFF and what step is often missed?

Route the cable through the chassis clips, connect it to the motherboard header, and secure the front panel bracket; the step often missed is latching the connector fully until it clicks.

What maintenance or replacement will the 1YMGT cable need over time?

The cable itself requires no scheduled maintenance; replace it only if the USB ports or audio jacks on the front panel become intermittent or physically damaged.

What limit appears first on the 1YMGT cable under sustained heavy use of the front ports?

The thin gauge wires can heat up and increase resistance, causing voltage drop at the front USB ports before any other component fails.

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