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Flat ribbon cable with connectors at each end

DELL

DELL Inspiron 5580 Vostro 5581 Daughter IO Board Cable XMTFJ

SKU CH-M1V7-H6QMC

Connects the USB, SD reader and Ethernet daughter board to the motherboard on Inspiron 15 5580 and Vostro 5581 laptops

  • Genuine Dell OEM replacement part ensures exact fit
  • Connects USB, SD reader and Ethernet board to motherboard
  • Compatible with Inspiron 15 5580 and Vostro 5581 laptops
  • Dell part number XMTFJ matches original specification
  • New condition guarantees reliable connectivity out of the box

Genuine Dell OEM Daughter IO Board Cable

This is a genuine Dell OEM replacement cable with part number XMTFJ. It connects the USB, SD card reader and Ethernet port IO board to the motherboard. Compatible models are the Inspiron 15 (5580) and Vostro 5581 laptops. The part is new and matches the Dell part number 450.0F804.00.

Thermals Noise and Power Draw

As a passive internal ribbon cable, this component draws no power and generates no heat or noise during operation. It simply carries signals between the IO board and the motherboard without active electronics. Normal use has no thermal or acoustic impact on the laptop.

Replaces Damaged or Missing IO Board Cable

This cable replaces a damaged, worn or missing original interconnect that causes loss of USB, SD reader or wired network function. The repair is worth it when those ports fail due to a faulty cable rather than the IO board or motherboard itself. It is not for laptops outside the listed 5580 and 5581 models.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 87% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How do I install the XMTFJ cable between the daughter I/O board and the motherboard, and which step is often missed?

Remove the bottom cover and battery, disconnect the old cable from both the I/O board and the motherboard, route the new XMTFJ cable along the same path, then reconnect both ends; the step most often missed is fully seating the motherboard connector until it clicks.

What maintenance or replacement will the XMTFJ cable need over time?

The cable itself requires no scheduled maintenance; it only needs replacement if the USB, SD reader or Ethernet ports on the Inspiron 15 5580 or Vostro 5581 become intermittent or stop working due to cable fatigue or connector wear.

What is the first limit that appears when the XMTFJ cable is used continuously under heavy data transfer?

The first limit is signal integrity on the USB, SD reader or Ethernet lines; sustained high-throughput traffic can expose marginal contact resistance at the motherboard or I/O board connectors, leading to dropped packets or device disconnects before the cable itself fails.

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