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Repair guides, disassembly, and troubleshooting information for the 15-inch MacBook Air released in 2025, with M4 chips.

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M4 MacBook Air 256 SSD use 2 128GB chips?

Hi iFixit :-)

Are you going to do a teardown of the M4 MacBook Air 15" when it's released?

I'm holding off purchasing to learn if its 256 SSD uses TWO 128GB chips (or one 256GB).

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I finally did find the answer here:

https://lowendmac.com/2025/m4-macbook-ai...

"Drive Bus: 256GB ... 2x 128GB NANDs in Parallel"

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