Best SD & CFexpress Type A Memory Cards for Sony a7S III

The new Sony a7S III is one of the best selling full frame mirrorless cameras for videography. In order to shoot 4K video at 120p, you’d better get a fast memory card for Sony a7S III. a7S III has two memory card slots, both support UHS-II SD memory cards and CFexpress Type A memory cards. Accessories Tested has reviewed and tested latest memory cards, and below are top recommended ones for Sony a7S III:

Best CFexpress Type A Cards for Sony a7S III:

The best memory card for Sony a7S III is Sony’s CFexpress Type A memory cards, these cards has max read speed at 800MB/s, and max write speed at 700MB/s.

Card Max. Read Speed Max. Write Speed Check Price
Sony Tough CFexpress Type A 800 MB/s 700 MB/s Amazon/B&H/Adorama
Best UHS-II SD Cards for Sony a7S III:

Since the CFexpress Type A cards are very expensive, you may also consider UHS-II SD memory cards, these cards are also top recommended cards for Sony a7S III. Currently the fastest & toughest UHS-II SD memory card is Sony’s best selling SF-G UHS-II Tough SD card, this card has fastest read speed at 300 MB/s & write speed at 299 MB/s. You can take a look at recommended UHS-II SD cards for Sony a7S III below:

Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G Tough 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
Lexar Professional 2000x 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
ProGrade Digital UHS-II SDXC 300 MB/s 250 MB/s Amazon/B&H
Delkin Devices Power SDXC UHS-II 300 MB/s 250 MB/s Amazon/B&H
Sony SF-M Tough UHS-II SDXC 277 MB/s 150 MB/s Amazon/B&H/Adorama
Lexar Professional 1667x UHS-II SDXC 250 MB/s 90 MB/s Amazon/B&H/Adorama
Best UHS-I SD memory cards for Sony a7S III:

The UHS-I SD memory cards are much cheaper than CFexpress and UHS-II SD cards. Currently the fastest UHS-I SD card is from SanDisk, the SanDisk Extreme PRO UHS-I SDXC card has max read speed at 170MB/s and max write speed at 90MB/s. Take a look at recommended UHS-I SD cards for Sony a7S III:

Card Max. Read Speed Max. Write Speed Check Price
SanDisk Extreme PRO UHS-I SDXC 170 MB/s 90 MB/s Amazon/B&H/Adorama
SanDisk Extreme UHS-I SDXC 150 MB/s 70 MB/s Amazon/B&H/Adorama
Lexar Professional 633x UHS-I SDXC 95 MB/s 45 MB/s Amazon/B&H/Adorama
PNY Elite Performance UHS-1 SDXC 95 MB/s Amazon/B&H/Adorama
Transcend UHS-I SDXC 95 MB/s 60 MB/s Amazon/B&H/Adorama