MacBook Air 13" I/O USB Audio DC Jack Board 820-3214-A 820-3455-A

MacBook Air 13" Charging Port & I/O USB Audio Board – 820-3214-A / 820-3455-A

Restore full functionality to your MacBook Air 13" with this genuine-spec I/O USB Audio & DC Power Jack Board. Compatible with models A1466 (2012–2018), this replacement board addresses unresponsive USB ports, non-functioning audio jacks, or a faulty DC charging connector — getting your MacBook back up and running without an expensive repair bill.

Key Features

• Compatible Models: MacBook Air 13" A1466 (2012, 2013, 2014, 2015, 2017, 2018)
• Board Numbers: 820-3214-A & 820-3455-A — direct OEM-spec replacements
• DC Power Jack: Restores reliable MagSafe charging connectivity
• USB 2.0 Ports: Two full-speed USB ports brought back to life
• 3.5mm Audio Jack: Headphone & microphone connectivity fully restored
• SD Card Slot: Integrated SD card reader for file transfers
• Plug-and-Play: Designed to fit the original mounting points — no modifications needed
• Available in 2 variants to match your specific MacBook Air revision

Why Replace Your I/O Board?

The I/O board is the hub for all your MacBook Air's side-port connectivity. Over time, USB ports can become loose, audio jacks can develop static or stop working, and DC connectors can wear out. Replacing this board is a cost-effective DIY fix that typically takes under 30 minutes with the right tools.

What's in the Box

• 1× I/O USB Audio DC Jack Board (820-3214-A or 820-3455-A, per your selection)

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Frequently Asked Questions

Q: Which MacBook Air models are compatible with the 820-3214-A and 820-3455-A I/O boards?

A: These boards are designed for the MacBook Air 13" model A1466, covering production years 2012, 2013, 2014, 2015, 2017, and 2018. Always verify your board number (printed on the logic board) before purchasing to ensure the correct variant.

Q: What ports and functions does this I/O board restore?

A: This board restores your MacBook Air's DC MagSafe charging port, two USB 2.0 ports, the 3.5mm headphone/microphone audio jack, and the SD card reader slot — all the connectivity found on the left and right sides of the A1466 chassis.

Q: Is this a genuine or OEM-spec replacement part?

A: This is an OEM-specification replacement board manufactured to match the original Apple 820-3214-A / 820-3455-A board dimensions, connector layout, and electrical spec, providing a reliable like-for-like swap.

Q: How difficult is it to install this I/O board?

A: Installation is a moderate DIY task. You'll need a P5 Pentalobe screwdriver to open the case and a Phillips #00 for internal screws. The board connects via a ribbon cable and slots into the original mounting points — no soldering required. Following a step-by-step guide for MacBook Air A1466 I/O board replacement is recommended.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.