Looking for the best memory cards for Sony a7S III? Here are our top recommended & fastest CFexpress cards and SD cards for Sony a7S III mirrorless camera.
The Sony a7S III has dual memory card slots that are both compatible with CFexpress Type A cards and UHS-II-compatible SD cards. Meaning that you can take full advantage of the write speeds and read speeds of UHS-II cards to get the best out of your Sony a7S III camera.
As we mentioned above, the Sony a7S III has 2x memory card slots that both support CFexpress Type A cards and UHS-II SD cards. Although SD cards and CFexpress Type A cards are not the same in size, both card slots in the Sony a7S III will accept either card type. So, if you have already had some fast SD cards, you can continue to use them since most of the Sony a7S III’s features work fine with either V60 or V90 cards. But, if you would like to use the camera’s most bandwidth intensive recording format – S&Q (‘slow and quick’) mode with 10-bit 4:2:2 recording, you will still need some higher-performance CFexpress Type A cards.
In this article you can find our top recommended CFexpress cards & SD cards for Sony a7S III based on the speed and price.
Recommended CFexpress & SD Memory Cards for Sony a7S III
If you just want to cut to the chase, here are our top recommended CFexpress cards & SD cards for Sony a7S III:
CFexpress Cards (Type A):
SD Cards:
- Sony SF-G Tough UHS-II Card (300 MB/s, V90)
- Lexar Professional 2000x UHS-II Card (300 MB/s, V90)
- SanDisk Extreme PRO UHS-II Card (300 MB/s)
- Lexar Professional 1667x UHS-II Card (250 MB/s, V60)
- Sony SF-E Series UHS-II SDXC Memory Card (270 MB/s, V60)
- Hoodman Steel 2000x UHS-II SD Card (300 MB/s)
Here are the quick comparison tables of our top recommended CFexpress Type A cards and SD cards for Sony a7S III mirrorless camera.
CFEXPRESS TYPE A CARDS & READERS:
| CFexpress Type A Cards | Max. Read Speed | Max. Write Speed |
| Sony TOUGH CFexpress Type A Card | 800 MB/s | 700 MB/s |
| Sony MRW-G2 CFexpress Type A/SD Card Reader | – | – |
SD CARDS:
| SD Card | Max. Read Speed | Max. Write Speed |
| Sony SF-G Tough UHS-II Card | 300 MB/s | 299 MB/s |
| Lexar Professional 2000x UHS-II Card | 300 MB/s | 260 MB/s |
| SanDisk Extreme PRO UHS-II Card | 300 MB/s | 260 MB/s |
| Hoodman Steel 2000x UHS-II SD Card | 300 MB/s | 260 MB/s |
| ProGrade Digital UHS-II SDXC Card | 300 MB/s | 250 MB/s |
| Delkin Devices Power UHS-II SDXC Card | 300 MB/s | 250 MB/s |
| Sony SF-M Tough UHS-II SDXC Card | 277 MB/s | 150 MB/s |
| Lexar Professional 1667x UHS-II SD Card | 250 MB/s | 90 MB/s |
| SanDisk Extreme PRO UHS-I Card | 170 MB/s | 90 MB/s |
So, in order to get the ultra high read speeds (transfer speed) and write speeds (fast buffer clearing time) to get the best out of your Sony a7S III camera, these are the top recommended & fastest CFexpress Type A cards and SD cards for the Sony a7S III mirrorless camera. Any of these would be a good choice.
Read more: Best Lenses for Sony a7s III
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