Best Memory Cards for Sony a7 III

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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 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 matter 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!

Recommended UHS-II SD Memory Cards for Sony a7 III

Recommended UHS-I SD Memory Cards for Sony a7 III

1. Sony SF-G64/T1 High Performance 64GB SDXC Uhs-II Class 10 U3 Memory Card

 out of stock
as of May 14, 2021 8:02 pm


  • In UHS-II devices, up to 300MB/s transfer speed and up to 299MB/s write speed
  • Uhs-ii reader (mrw-s1) is needed to realize transfer speed
  • 32GB, 64GB, 128GB Capacity models for all your image and video needs
  • For use with digital cameras and other devices utilizing SD Memory cards
  • Fast writing minimizes lag time for fast motion photos and videos, burst mode shooting

2. Sandisk Extreme Pro - Flash memory Card - 64 GB - SDXC UHS-II

$119.99  in stock
3 new from $119.99
as of May 14, 2021 8:02 pm


  • Designed for professionals
  • High read and write speeds
  • Cinema-quality 4K video capture
  • Designed to withstand extreme environments

3. Hoodman 128GB Steel 2000x SDXC UHS-II Class 10 U3 Ruggedized Memory Card

$295.04  in stock
2 new from $229.99
as of May 14, 2021 8:02 pm


Part NumberHS128GBSD2

4. Lexar Professional 2000X 128GB SDXC Uhs-II Card

$167.61  in stock
2 new from $167.61
Free shipping
as of May 14, 2021 8:02 pm


  • High-speed performance leverages UHS-II technology (U3) for a read transfer speed up to 2000x (300MB/s)
  • Captures high-quality images and extended lengths of stunning 1080p full-HD, 3D, and 4K video with a DSLR camera, HD camcorder, or 3D camera
  • Includes SD UHS-II reader for high-speed file transfer from card to computer, dramatically accelerating workflow
  • Backwards compatible with UHS-I device
  • Limited lifetime product support for card and 1-year limited support on reader

5. Sony 64GB High Performance Class 10 UHS-1/U3 SDXC up to 95MB/s Memory Card

$34.99  in stock
1 new from $34.99
Free shipping
as of May 14, 2021 8:02 pm


  • Up to 95 MBs transfer speed and up to 90 MBs write speed
  • File Rescue downloadable software helps recover photos and videos that have been accidentally damaged or deleted
  • UHS-I Memory cards have been tested to achieve high levels of reliability and data integrity
  • UHS-I Memory cards are waterproof and designed to perform under a wide range of operating temperatures
  • High speed performance

6. SanDisk 128GB Extreme PRO SDXC UHS-I Card

$95.00  in stock
1 new from $95.00
1 used from $39.99
as of May 14, 2021 8:02 pm


  • Ideal for professionals looking to maximize post-production workflow
  • Read speeds of up to 95MB/s; write speeds of up to 90MB/s
  • UHS speed Class 3 (U3) and UHS video speed Class 30 (V30) for 4K UHD video
  • Shock-proof, temperature-proof, waterproof, and x-ray-proof
  • Lifetime limited Warranty

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