M2 MacBook Pro's 256GB SSD is only about half as fast as the M1 version's

Higher-capacity versions of the new MacBook Pro don't seem to be affected.

MacBook Air 13- and 15-inch with M2 - Apple (GE)

M2 MacBook Pro 13 with 256 GB storage has a 33-50% slower SSD than its M1 equivalent - News

Base Model MacBook Pro With M2 Has Slower SSD Than M1 Version, by ExtremeTech

M2 MacBook Pro 13 with 256 GB storage has a 33-50% slower SSD than its M1 equivalent - News

M2 MacBook Air review: Appleu2019s everyday laptop has its Goldilocks moment

Apple MacBook Air M2 review: Best laptop for most people

Apple 2021 MacBook Pro (16.2-inch, M1 Pro chip with 10‑core CPU and 16‑core GPU, 16GB RAM, 512GB SSD) - Space Gray : Electronics

Apple introduces the 15-inch MacBook Air - Apple

The base M2 14-inch MacBook Pro has an SSD downgrade - The Verge

MacBook Air with M1 review: A near-perfect laptop

Apple M1 Max MacBook Pro (2021) review: Back with a vengeance: Digital Photography Review