Best Memory Cards for Sony a7 III
Here are our top recommended SD memory cards for Sony a7 III mirrorless camera, including UHS-II SD cards and UHS-I SD cards.
The Sony a7 III has dual SD memory card slots: The card slot 1 supports the ultra-fast UHS-II SD cards while the card slot 2 is compatible with the UHS-I SD cards. Featuring a full-frame 24.2MP Exmor R BSI CMOS sensor and BIONZ X image processor, the Sony a7 III supports fast continuous shooting at up to 10 fps at full resolution, for up to 177 consecutive frames, and with full-time AF/AE when working with either a mechanical shutter or an electronic shutter, and it is capable of recording UHD 4K at up to 30 fps and full HD 1080p video at up to 120 fps. Additionally, benefitting both stills and video operation, the Sony a7 III utilizes a 5-axis SteadyShot INSIDE sensor-shift image stabilization, which is now effective to minimize the appearance of camera shake by up to 5 stops. What’s more, the Sony a7 III (Amazon, B&H, Adorama) gets 89% overall score and Gold Award from the experts at DPReview and it is a well-priced camera for generalist photographers, wedding, event and action shooters and those that need high quality video.
Below is our full list of top recommended SD cards for the Sony a7 III, including UHS-II SD cards and UHS-I SD cards. Hope it can help you get the best out of your Sony a7 III mirrorless camera.
UHS-II SD Cards | UHS-I SD Cards
Best UHS-II SD Cards for Sony a7 III
The first card slot of Sony a7 III is compatible with the UHS-II SD cards for faster write speed and read speed. Currently, the Sony SF-G Tough UHS-II SD Card, Kingston Canvas React Plus UHS-II SD Card, ProGrade Digital UHS-II SDXC Card (V90), Delkin Devices Power UHS-II SDXC Card (V90) and Lexar Professional 2000x UHS-II Card are the top five choices.
The Sony SF-G Tough Series UHS-II SD card is currently the world’s fastest SD card on the market and the top choice for you. Offering maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s, the Sony SF-G Tough UHS-II SD Card is well-suited for video capture, including 8K, 4K XAVC S, 60p AVCHD, 3D, HFR, and Full HD video, as well as super fast continuous shooting. In addition, thanks to its V90 speed class rating, minimum write speeds are guaranteed not to drop below 90 MB/s.
In addition, the Kingston Canvas React Plus UHS-II SD Card is another great choice and great value SD card for shooting 8K, 4K, and Full HD video, as well as high-resolution photos. Besides, the ProGrade Digital UHS-II SDXC Card (V90) and the Delkin Devices Power UHS-II SDXC Card (V90) are two of the most popular SD cards with an affordable price on the market! If you need some fast and reliable UHS-II SD cards without spending too much (like Sony SF-G Tough UHS-II SD Card), these two cards are the perfect choice for you. If you need some budget choice, you can also consider the Sony SF-M Tough UHS-II SD Card (V60) and the ProGrade Digital UHS-II SD Card (V60). Below are the top recommended UHS-II SD cards for Sony a7 III mirrorless camera based on the speed and price, just get the one you like!
| UHS-II SD Cards | Max. Read Speed | Max. Write Speed |
| Sony SF-G Tough UHS-II SD Card (V90) | 300 MB/s | 299 MB/s |
| Kingston Canvas React Plus UHS-II SD Card (V90) | 300 MB/s | 260 MB/s |
| ProGrade Digital UHS-II SDXC Card (V90) | 300 MB/s | 250 MB/s |
| Delkin Devices Power UHS-II SDXC Card (V90) | 300 MB/s | 250 MB/s |
| Lexar Professional 2000x UHS-II Card (V90) | 300 MB/s | 260 MB/s |
| SanDisk Extreme PRO UHS-II Card | 300 MB/s | 260 MB/s |
| Hoodman Steel 2000x SDXC UHS-II Card | 300 MB/s | 260 MB/s |
| Sony SF-M Tough UHS-II SDXC Card (V60) | 277 MB/s | 150 MB/s |
| ProGrade Digital UHS-II SDXC Card (V60) | 250 MB/s | 130 MB/s |
| Sony SF-E Series UHS-II SDXC Card (V60) | 270 MB/s | 120 MB/s |
| Lexar Professional 1667x UHS-II SD Card (V60) | 250 MB/s | 90 MB/s |
Best UHS-I SD Cards for Sony a7 III
The second card slot supports the UHS-I SD cards. The new Lexar Professional 1066x UHS-I SD Card (V30, U3) is the fastest UHS-I SD card on the market, offering maximum read speeds of up to 160 MB/s and maximum write speeds of up to 120 MB/s. This card has also been designed with the V30 Video Speed Class rating, which guarantees minimum write speeds of at least 30 MB/s – the top choice for you.
Besides, the SanDisk Extreme PRO UHS-I SD Card and the Kingston Canvas Go! Plus UHS-I SD Card are another two of the fastest UHS-I SD cards and the most popular cards out there and is almost always two of my top recommended UHS-I SD cards. Offering the same up to 170 MB/s read speeds and up to 90 MB/s write speeds, these two cards are ideal for shooting 4K UHD video and burst-mode photography, and they supports the V30 speed class, which guarantees minimum write speeds of 30 MB/s.
If you need some budget choice, you can also consider the SanDisk Extreme UHS-I SD Card (V30, U3). Below are the top recommended UHS-I SD cards for Sony a7 III based on the speed and price, just get the one you like!
| UHS-I SD Cards | Max. Read Speed | Max. Write Speed |
| Lexar Professional 1066x UHS-I SD Card (V30, U3) | 160 MB/s | 120 MB/s |
| SanDisk Extreme PRO UHS-I SD Card (V30, U3) | 170 MB/s | 90 MB/s |
| Kingston Canvas Go! Plus UHS-I SD Card (V30, U3) | 170 MB/s | 90 MB/s |
| SanDisk Extreme UHS-I SD Card (V30, U3) | 150 MB/s | 70 MB/s |
| Samsung PRO Plus UHS-I SD Card (V30, U3) | 100 MB/s | 85 MB/s |
| Kingston Canvas Select Plus UHS-I SD Card (V30, U3) | 100 MB/s | 85 MB/s |
Don’t own the Sony a7 III yet? Just get it at Amazon, B&H, Adorama.
Read more: Best Lenses for Sony a7 III.