Why do cameras have SD cards and micro SD cards when some smartphones don't? Why don't they just have built-in memory for the camera? - Quora
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Which Memory Card is Best for your Mirrorless or DSLR Camera in 2021 — The Beginner Photography Podcast
![Jeff Cable's Blog: Why you should not put an SD card in your Canon 5D Mark III (if you shoot to both CF and SD and care about speed) Jeff Cable's Blog: Why you should not put an SD card in your Canon 5D Mark III (if you shoot to both CF and SD and care about speed)](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhveh0VLvUfkZgtgueSthvpZ3jKpjmzXQoN6shcH7WeE91pHrpkGO2QJotzcAiH74eUodFSkkUWdmo2Nqbx5ljGANYpf4zAqe-2SBqkhl7sdVciSGJQx0pEA28oaRIA_-Wup9W9196LJmYd/s1600/Edit_SD_in_5DMarkIII_25pct_no_sd.jpg)
Jeff Cable's Blog: Why you should not put an SD card in your Canon 5D Mark III (if you shoot to both CF and SD and care about speed)
![Which Memory Card is Best for your Mirrorless or DSLR Camera in 2021 — The Beginner Photography Podcast Which Memory Card is Best for your Mirrorless or DSLR Camera in 2021 — The Beginner Photography Podcast](https://images.squarespace-cdn.com/content/v1/569aeb57fd5d084e149e5469/1560111678252-NVKPPON6LGLV93VHYEHA/Best-memory-card-header.jpg)