256GB Mac mini' with M2 chip has fewer chips than the previous generation, so it turns out that SSD speed is slow, 512GB MacBook Pro with M2 Pro also slows down -
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M2 MacBook Pro's 256GB SSD is only about half as fast as the M1 version's | Ars Technica
16-inch MacBook Pro - Space Gray - Apple
Apple MacBook Air M2 storage speed testing: yup, it's slow - The Verge
M2 MacBook Pro 13 with 256 GB storage has a 33-50% slower SSD than its M1 equivalent - NotebookCheck.net News
MacBook Pro 13 A1502 How to install M2 SSD upgrade - YouTube
The S&T Store - 13-Inch M2 MacBook Air 256GB SSD 8GB RAM
hot Wicgtyp 256GB 512GB 1TB M.2 SSD PCIe for Mac SSD M2 NVMe SSD Hard Drive SSD for MacBook Air for Macbook Pro for mac mini | Lazada PH
M.2 NVME SSD Convert Adapter Card for Upgrade MacBook Air (2013-2017) : Amazon.com.au: Computers
How to use an NVMe drive to upgrade your Mac's SSD | AppleInsider
Entry-level M2 MacBook Pro has a slower SSD - 9to5Mac