Back Thunderbolt Ports
Apple Part Number: 923-12484
6-Month Warranty
Full replacement
Fast Shipping
1-2 business days
Tested & Verified
QA before ship
Expert Help
Install guidance
Compatibility
| Model | Order # | Model # | EMC | Identifier | Processor |
|---|---|---|---|---|---|
| Mac Studio M3 Ultra 2025 | A3389 | Mac15,14 | Apple M3 Ultra | ||
| Mac Studio M4 2025 | A3299 | 8549 | Mac16,9 | Apple M4 Max |
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About this part
The Back Thunderbolt Ports (Apple part number 923-12484) is a genuine Apple part that fits the Mac Studio M3 Ultra 2025 and Mac Studio M4 2025. This part provides the external connection named in the listing. Match the connector type, color and device variant; it is not a wireless card or a general-purpose internal cable.
Before you order, match the model identifier on your Mac (Apple menu, About This Mac, System Report) to one of the identifiers listed for this part: Mac15,14 and Mac16,9.
Signs the port board or connector needs replacing
- A physically damaged or loose port
- An intermittent connection with known-good accessories
- A connector fault confirmed by inspection or diagnostics
Not sure the port board or connector is the real cause? We diagnose the Mac before replacing anything, and we can install this genuine Apple part for you through our Mac Studio repair service, in our Tampa shop or by mail-in repair from anywhere in the US.
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