Best Memory Cards for Sony a7 III
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 (Amazon, B&H, Adorama) 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 matters 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 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!
UHS-II SD Cards | UHS-I SD Cards
Best UHS-II SD Cards for Sony a7 III
The Sony a7 III Card Slot 1 supports the ultra-fast UHS-II SD cards, so you’d better pick up a fast and reliable UHS-II SD card to take full advantage of the ultra-fast read speeds and write speeds of the UHS-II SD cards.
Currently, the Kingston Canvas React Plus UHS-II SD Card (V90), PNY X-PRO 90 UHS-II SD Card (V90), Sony SF-G Tough UHS-II SD Card (V90), ProGrade Digital UHS-II SDXC Card (V90), Delkin Devices Power UHS-II SDXC Card (V90) are the top recommended and fastest UHS-II SD cards on the market.
The Kingston Canvas React Plus cards can provide similar performance to the Sony SF-G Tough cards, yet they are 40% cheaper and come in a 256GB size. Another great and affordable UHS-II SD card option is the PNY X-PRO 90 UHS-II SD Card (V90) with impressive performance.
The Sony SF-G Tough UHS-II SD Card (V90) is the ultimate speed machine and the priciest UHS-II SD card out there; you can’t go wrong with it. If you’re looking for a more affordable option that still packs speed and reliability, the ProGrade Digital UHS-II SDXC Card (V90) and the Delkin Devices Power UHS-II SDXC Card (V90) are two highly sought-after cards on the market. These two cards are great options if you don’t want to splurge, yet still want power and dependability.
If you’re looking to save a few pennies, the Sony SF-M Tough UHS-II SD Card (V60) and the ProGrade Digital UHS-II SD Card (V60) are great budget-friendly options.
Best UHS-I SD Cards for Sony a7 III
The Sony a7 III Card Slot 2 is compatible with UHS-I SD cards. Speaking of the UHS-I SD cards, the SanDisk Extreme PRO UHS-I SD Card, Samsung PRO Plus UHS-I SD Card, Lexar Professional 1066x UHS-I SD Card, and Kingston Canvas Go! Plus UHS-I SD Card are the top four choices for you!
| UHS-I SD Cards | Max. Read Speed | Max. Write Speed |
| SanDisk Extreme PRO UHS-I SD Card (V30, U3) | 200 MB/s | 140 MB/s |
| Samsung PRO Plus UHS-I SD Card (V30, U3) | 160 MB/s | 120 MB/s |
| Lexar Professional 1066x UHS-I SD Card (V30, U3) | 160 MB/s | 120 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 |
| Kingston Canvas Select Plus UHS-I SD Card (V30, U3) | 100 MB/s | 85 MB/s |
1. SanDisk Extreme PRO UHS-I SD Card
SanDisk Extreme PRO UHS-I SD Card Key Specifications:
- Bus Speed: UHS-I
- Speed Class: V30 / U3 / Class 10
- Max Read Speed: 200 MB/s
- Max Write Speed: 140 MB/s
- Min Write Speed: 30 MB/s
- Capacities: 64GB, 128GB, 256GB, 512GB, 1T
The SanDisk Extreme Pro UHS-I SD card is one of the top picks when it comes to UHS-I SD cards; it is a perennial favorite and highly recommended. Boasting read speeds of up to 200 MB/s and write speeds of up to 140 MB/s, it is the perfect card for capturing amazing full HD, 3D, and 4K videos, as well as for taking raw and burst photos.
The SanDisk Extreme Pro UHS-I SD card offers unbeatable durability, shielding your data from water, shock, X-rays, and temperatures ranging from -13 to 185°F. Not to mention, it comes with recovery software so any files accidentally deleted can be retrieved, and is available in 32GB, 64GB, 128GB, 256GB, 512GB, and 1TB storage capacities, plus a limited lifetime warranty!
Buy SanDisk Extreme PRO UHS-I SD Card at Amazon, B&H, Adorama.
2. Samsung PRO Plus UHS-I SD Card
Samsung PRO Plus UHS-I SD Card Key Specifications:
- Bus Speed: UHS-I
- Speed Class: V30 / U3 / Class 10
- Max Read Speed: 160 MB/s
- Max Write Speed: 120 MB/s
- Min Write Speed: 30 MB/s
- Capacities: 32GB (SDHC), 64GB, 128GB, 256GB (SDXC)
The Samsung Pro Plus UHS-I SD Card is the ultimate choice for your media needs! Highly recommended and offering excellent value, this card promises to give you fast and reliable read and write speeds of up to 160MB/s and 120MB/s respectively. Capture 4K UHD video and sequential burst mode photography without any worries – this card is built for and tested in harsh conditions, ensuring it is resistant to water, shock, X-rays and temperatures between -13 and 185°F!
Buy Samsung PRO Plus UHS-I SD Card at Amazon, B&H.
3. Lexar Professional 1066x UHS-I SD Card (Silver Series)
Lexar Professional 1066x UHS-I SD Card (SILVER Series) Key Specifications:
- Bus Speed: UHS-I
- Speed Class: V30 / U3 / Class 10
- Max Read Speed: 160 MB/s
- Max Write Speed: 120 MB/s
- Min Write Speed: 30 MB/s
- Capacities: 64GB, 128GB, 256GB, 512GB, 1T
For the ultimate combination of speed and reliability, the Lexar Professional 1066x UHS-I SD Card (SILVER Series) is the perfect choice for capturing and transferring high-quality photos and 4K UHD video. Boasting impressive read speeds of up to 160 MB/s and write speeds of up to 120 MB/s, this is one of the quickest UHS-I SD Cards on the market and is ideal for recording 4K UHD content. On top of that, it’s also water, shock, vibration, x-ray and temperature resistant, so you can count on it in any conditions! Definitely an excellent pick!
Buy Lexar Professional 1066x UHS-I SD Card (Silver Series) at Amazon, B&H, Adorama.
4. Kingston Canvas Go! Plus UHS-I SD Card
Kingston Canvas Go! Plus UHS-I SD Card Key Specifications:
- Bus Speed: UHS-I
- Speed Class: V30 / U3 / Class 10
- Max Read Speed: 170 MB/s
- Max Write Speed: 90 MB/s
- Min Write Speed: 30 MB/s
- Capacities: 64GB, 128GB, 256GB and 512GB
- Limited Lifetime Warranty
Equipped with ultra-fast read speeds of up to 170 MB/s and write speeds of up to 90 MB/s, along with the V30 speed class, the Kingston Canvas Go! Plus UHS-I SD Card is perfect for capturing incredible images and recording UHD 4K videos. Moreover, its waterproof, shockproof, vibration-resistant, X-ray proof and temperature-resistant design makes it an ideal choice for harsh environments. Available in capacities of 64GB, 128GB, 256GB and 512GB, it also comes with a limited lifetime warranty.
Buy Kingston Canvas Go! Plus UHS-I SD Card (V30, U3) at Amazon, B&H, Adorama.
Read more: Best Lenses for Sony a7 III.
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