Dell Latitude E5420 USB SIM VGA LAN Ethernet I/O Board 63N3K

Product Description

The Dell Latitude E5420 USB LAN VGA I/O Board is a replacement input/output daughterboard designed for the Dell Latitude E5420 laptop. It connects to the motherboard and provides external connectivity through compatible USB, VGA, and RJ45 Ethernet ports.

This Dell Latitude E5420 I/O Board is suitable for replacing a faulty board with damaged USB ports, non-working VGA output, or Ethernet connectivity problems. Replacing the defective daughterboard can help restore the affected port functions when the board is the source of the problem.

The board is identified by Dell part numbers 63N3K and 063N3K. Before ordering, compare the original board’s part number, connector, mounting points, and port arrangement to ensure compatibility.

Compatible Models

• Dell Latitude E5420
• Dell Latitude E5420 laptop configurations using I/O board 63N3K

Compatible Part Numbers

• 63N3K
• 063N3K
• CN-63N3K — label format used in some listings

Product Details

• Product Type: Laptop I/O Board / Daughterboard
• Compatible Brand: Dell
• Compatible Model: Latitude E5420
• Part Number: 63N3K / 063N3K
• Ports: USB, VGA, RJ45 LAN Ethernet
• Board Type: Internal I/O Circuit Board
• Connection: Motherboard daughterboard connection
• Condition: Replacement Spare Part
• SIM Slot: Verify against the original board and product images before ordering

Warranty Details

Warranty: 1 Month Warranty
Warranty Service Type: Replacement Warranty
Warranty Type: Seller Warranty

Important Note:-

• Verify your exact laptop model and original board part number before ordering.
• This board is listed for the Dell Latitude E5420. Do not assume compatibility with other Latitude models based only on appearance.
• Match the original board’s connector, port layout, mounting holes, and physical dimensions.
• Confirm the SIM slot configuration and package contents against the actual product before purchase.
• This is an I/O daughterboard, not a complete motherboard.
• Professional installation is recommended to avoid damage to the motherboard connector or surrounding components.
• Product images are for reference only. Actual markings and appearance may vary.
• Warranty does not cover physical damage, liquid damage, broken connectors, incorrect installation, soldering damage, or modification.
• If the product is found to be out of stock after ordering, the payment will be refunded.
• Functionality-related problems reported within the warranty period are eligible for replacement according to warranty terms.

FAQs

1. Is this I/O board compatible with Dell Latitude E5420?

Yes. Part number 63N3K / 063N3K is listed for the Dell Latitude E5420.

2. What ports does this board support?

The board provides USB, VGA video output, and an RJ45 Ethernet port. Verify the physical port arrangement against your original board.

3. What are the part numbers for this Dell I/O board?

The main identification numbers are 63N3K and 063N3K. Some listings use the label format CN-63N3K.

4. Can this board fix a non-working USB or LAN port?

It may resolve the problem if the fault is caused by the I/O daughterboard. Other faults, including motherboard or software issues, may require separate diagnosis.

5. How do I confirm compatibility before ordering?

Check the laptop model, original part number, connector, port arrangement, and mounting points. Matching the original board is the safest way to confirm compatibility.