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A comment on 512GB 14” M2 Pro MacBook Pro has slower SSD than previous model. Parent comment

Re:512GB 14” M2 Pro MacBook Pro has slower SSD than previous... by Scaevolus on Tuesday January 24, 2023 @02:35PM (#34508950)
The NAND chips are soldered with ball grid arrays, requiring a reflow oven to add a new chip, not to mention how the board itself would probably not even detect the extra chips.

Here's an M2 Air logic board with 1 of 2 NAND chips soldered on (in yellow), there's an empty spot on the board for another chip: https://guide-images.cdn.ifixit.com/igi/1A2NHYEY6dJcUcd4.hug...

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Re:512GB 14” M2 Pro MacBook Pro has slower SSD than previous... by wil421 on Tuesday January 24, 2023 @03:11PM (#34509521)
Challenge accepted. Here’s an M1 being upgraded with both RAM and Storage by some Chinese Techs. Yes, you need an oven.

https://www.macrumors.com/2021/04/06/m1-mac-ram-and-ssd-upgr...

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