512GB version of the new MacBook Pro has a slower SSD than the Mac it replaces

Apple is using fewer chips in M2 Macs to provide the same amount of storage.

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Brilliant Retina Display with True Tone technology Touch Bar and Touch ID Radeon Pro 560x Graphics with 4GB of video Memory Ultrafast SSD Intel UHD

Apple MacBook Pro (15-Inch, 16GB RAM, 512GB Storage, 2.6GHz Intel Core i7) - Space Gray (Previous Model)