Best Memory Cards for Sony a7R III

Here are the top recommended SD memory cards for Sony a7R III mirrorless camera.

The new Sony a7R III ($3,198 at AmazonB&HAdorama) comes with two SD memory card slots: The card slot 1 supports ultra-fast UHS-II SD memory cards while the Card Slot 2 is compatible with UHS-I memory cards. If you want to shoot 4K video with the Sony a7R III, a fast UHS-II SD memory card is a must, or you will have to wait longer for the buffer to clear and before you can start taking photos again. So, buying a fast card is always worth it: Fast write speed provides fast buffer clearing time between burst shots optimizing your shooting experience. Fast read speed can let large files such as 4K video or a bunch of high-resolution images by continuous shooting transfer to PC in seconds. Reminder: if you plan to shoot videos, stick to 64GB (or larger) SDXC cards for the best video codex.

Here is our list of best memory cards for Sony a7R III mirrorless camera.

Best UHS-II SD Memory Cards for Sony a7R III

This list of best UHS-II SD Cards is ranked by write speed, including the the world’s fastest Sony SF-G UHS-II SDXC Memory Cards, SanDisk Extreme PRO UHS-II SDXC, Lexar Professional 2000x UHS-II SDXC and Hoodman Steel 2000x SDXC UHS-II Memory Cards.

SD Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G UHS-II SDXC 300 MB/s 299 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO UHS-II SDXC 300 MB/s 260 MB/s Amazon | B&H | Adorama
Hoodman Steel 2000x SDXC UHS-II 300 MB/s 260 MB/s Amazon | B&H | Adorama
Lexar Professional 2000x UHS-II SDXC 300 MB/s 260 MB/s Amazon | B&H | Adorama

Best UHS-I SD Memory Cards for Sony a7R III

The Sony a7R III Card Slot 2 is compatible with UHS-I memory cards. The Sony UHS-I SDXC Memory Card (Class 10/U3) and SanDisk Extreme PRO UHS-I SDXC Memory Card (V30) are both excellent options with the same up to 95 MB/s read speed and 90 MB/s write speed in addition to capturing 4K video.

SD Card Max. Read Speed Max. Write Speed Check Price
Sony UHS-I SDXC 95 MB/s 90 MB/s Amazon | B&H | Adorama
SanDisk Extreme PRO UHS-I SDXC 95 MB/s 90 MB/s Amazon | B&H | Adorama

Read more: Best Lenses for Sony a7R III.

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