# A2 SD Cards: Performance Uncertainty

https://bubelov.com/blog/2019/a2-sd/

A2 SD cards promise fast speeds but performance is unreliable. It depends on host device compatibility, which is often lacking. No measurable benefit exists on Raspberry Pi 4 despite recent hardware updates.

#sd #storage #performance #raspberry

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Canonical URL: https://qwibbit.com/q31525

Created: 2026-10-28T21:32:01.620255+00:00

Last edited: 2026-10-28T21:32:01.620255+00:00

Board: 3

Origin: Syndicated

Original source: https://bubelov.com/blog/2019/a2-sd/