Best Memory Cards for Sony a7 III

Looking for the best SD memory cards for Sony a7 III mirrorless camera? Here are the top recommended SD cards for Sony a7 III.

The new Sony a7 III ($1,998 at AmazonB&HAdorama) mirrorless camera 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. As we all know, every second matters in photography, so a fast enough memory card is a must for serious photographers. So, if you want to shoot 4K video with the Sony a7 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: 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 128GB (or larger) SDXC cards for the best video codex.

Below are the top recommended memory cards for Sony a7 III, just choose the one you need!

UHS-II SD Cards | UHS-I SD Cards

Recommended UHS-II SD Memory Cards for Sony a7 III

Ranked by write speed – Fast write speed provides fast buffer clearing time between burst shots optimizing your shooting experience. Sony SF-G UHS-II Cards are currently the world’s fastest SD memory cards boasting an ultra-fast maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s and it is well-suited for video capture. In addition, with up to 300 MB/s read speed, even large files such as 4K video or a bunch of high-resolution images by continuous shooting can be transferred to PC in seconds.

SD CardMax. Read SpeedMax. Write SpeedCheck Price
Sony SF-G UHS-II SDXC300 MB/s299 MB/sAmazon | B&H | Adorama
SanDisk Extreme PRO UHS-II SDXC300 MB/s260 MB/sAmazon | B&H | Adorama
Hoodman Steel 2000x SDXC UHS-II300 MB/s260 MB/sAmazon | B&H | Adorama
Lexar Professional 2000x UHS-II SDXC300 MB/s260 MB/sAmazon | B&H | Adorama

Recommended UHS-I SD Memory Cards for Sony a7 III

The Sony a7 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 CardMax. Read SpeedMax. Write SpeedCheck Price
Sony UHS-I SDXC95 MB/s90 MB/sAmazon | B&H | Adorama
SanDisk Extreme PRO UHS-I SDXC95 MB/s90 MB/sAmazon | B&H | Adorama

Read more: Best Lenses for Sony a7 III.