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Flat beige ribbon cable with multiple connectors on each end

DELL

DELL Latitude 3400 Ribbon Cable 7Y3P3 accessory

SKU CH-MZ8D-N74Q0

Genuine Dell OEM ribbon cable connects the right-side USB and SD reader board to the motherboard on Latitude 3400 laptops

  • Genuine Dell OEM part ensures exact fit for Latitude 3400
  • Connects USB/SD reader board to motherboard restoring port functionality
  • Dell part number 7Y3P3 matches service manual specifications
  • Alternate numbers Bolt14_L-IO and 450.0FV07.0021 simplify ordering
  • New condition guarantees reliable connection without wear

Genuine Dell OEM Ribbon Cable for Latitude 3400

This genuine Dell OEM ribbon cable connects the right-side USB and SD card reader IO board to the motherboard. It is designed specifically for the Latitude 3400 laptop model. Technicians and repair shops can use it to restore full peripheral connectivity.

Restores USB and SD Reader Functionality

Replacing a damaged or worn cable brings the right-side IO board back to working order. The part enables data transfer through the USB ports and the SD card reader. Installation requires disassembly of the laptop chassis to access the motherboard connector.

Direct Fit for Latitude 3400 Chassis

The cable matches the exact routing and connector pitch for the Latitude 3400. It supports the standard port layout found on this model. It does not fit other Dell series or third-party laptops. Buyers needing a different pinout or length must source an alternative part.

Highlights

  • Genuine Dell OEM part ensures exact fit for Latitude 3400
  • Connects USB/SD reader board to motherboard restoring port functionality
  • Dell part number 7Y3P3 matches service manual specifications
  • Alternate numbers Bolt14_L-IO and 450.0FV07.0021 simplify ordering
  • New condition guarantees reliable connection without wear

Specifications

BrandDell

Questions about this item

Does the 7Y3P3 ribbon cable need periodic replacement or is it meant to last the life of the Latitude 3400?

The cable is a passive interconnect with no moving parts; it is designed to remain in place for the service life of the Latitude 3400 unless physical damage occurs during a repair.

What is the first limit reached when the right-side I/O board runs continuously on the Latitude 3400?

The ribbon cable itself has no active circuitry, so it does not impose a thermal or electrical limit; the limit will be the I/O board or motherboard specifications instead.

Does the 7Y3P3 cable generate any heat or noise when the Latitude 3400 is running all day?

No, the cable carries only low-voltage signals between the USB/SD reader board and the motherboard and produces no measurable heat or audible noise.

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