Best Memory Cards for Sony a7 III

Similar as Sony a7R III and a9, the new announced Sony a7 III (Amazon/B&H Photo/Adorama) has two memory card slots, one supports UHS-II memory cards. In order max use of a7III, for example shoot 4K video with Sony a7 III, a fast card is a must. Otherwise, you’ll miss most of your shots waiting for the buffer to clear. The best choice is to use the UHS-II memory cards. Currently, Sony, Lexar, Sandisk are produce UHS-II memory cards. Below are a list of top recommended UHS-II SD memory cards for Sony a7R III full frame mirrorless camera.

Recommended UHS-II SD memory cards for Sony a7III:

The fastest & toughest UHS-II SD memory card is Sony’s new released SF-G UHS-II Tough SD card, this card has fastest write speed at 299 MB/s. The Lexar Professional 2000x UHS-II SDXC card is one of the best selling UHS-II SD card, it is cheaper than SanDisk Extreme PRO UHS-II SDXC card, yet has the same max read and write speed.

Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G Tough UHS-II SDXC 300 MB/s 299 MB/s B&H/Adorama/Amazon
Sony SF-G UHS-II SDXC 300 MB/s 299 MB/s Amazon/B&H/Adorama
Lexar Professional 2000x UHS-II SDXC 300 MB/s 260 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 B&H/Adorama
Delkin Devices Cinema SDXC UHS-II 280 MB/s 250 MB/s Amazon/B&H/Adorama
Sony M Series UHS-II SDXC 260 MB/s 100 MB/s B&H/Adorama
Lexar Professional 1000x UHS-II SDXC 150 MB/s 75 MB/s Amazon/B&H/Adorama
Recommended UHS-I SD memory cards for Sony a7III:

The fastest UHS-I SD memory cards are from SanDisk and Sony, both has max. read speed at 95 MB/s, and max. write speed at 90 MB/s.

Card Max. Read Speed Max. Write Speed Check Price
SanDisk Extreme PRO UHS-I SDXC 95 MB/s 90 MB/s Amazon/B&H/Adorama
Sony UHS-I SDXC 95 MB/s 90 MB/s Amazon/B&H/Adorama
Delkin Devices Elite UHS-I SDHC 95 MB/s 80 MB/s Amazon/B&H/Adorama
Sony High Speed UHS-I SDXC 90 MB/s 70 MB/s Amazon/B&H/Adorama
Transcend UHS-1 SDXC 95 MB/s 60 MB/s Amazon/B&H/Adorama
  • Josh Nethken

    I don’t know how the 128 gb sony uhsii card is, but in my personal experience the 64gb uhsii card (300 mbps) is atrocious to say the least. I had two corrupt on me within a month, I thought it was my a7iii but then I got a Sandisk extreme pro uhsii and i’ve never had another corruption issue since.