The best SD memory cards for the Sony Alpha A7 III. This article will help you find the best and quickest SD cards for your Sony a7 III mirrorless camera.
The new Sony a7 III mirrorless camera comes with two SD memory card slots: Card slot 1 supports ultra-fast UHS-II SD memory cards while 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 64GB or 128GB (or larger) SDXC cards for the best video codex.
The fastest UHS-II SD card is recommended. Sony SF-G Tough Series UHS-II Memory Cards are the world’s fastest SD memory cards, with read speeds up to 300 MB/s and write speeds up to 299 MB/s. They are well-suited for 4K and Full HD video recording and extremely rapid continuous shooting. The V90 speed class guarantees minimum write rates of 90 MB/s. If you want the fastest write speed with a V90 rating and 250-300MB/s read rates, this is the card for you.
2. Lexar Professional 2000x UHS-II Card (300 MB/s, V90) – Best Value
Best Value! The Lexar Professional 2000x UHS-II card can read up to 300 MB/s and write up to 260 MB/s, making it ideal for any UHS-II camera that shoots 4K or Full HD video at 8fps+. Faster buffer cleaning implies more shots. Free Lexar SD UHS-II Reader speeds file transmission from card to PC, accelerating workflow. The V90 speed class guarantees minimum write rates of 90 MB/s.
SanDisk Extreme PRO UHS-II SDXC Memory Cards can read 300 MB/s and write 260 MB/s. Amazingly quick! Perfect for continuous filming and 4K video. U3 speed class guarantees minimum write rates of 30 MB/s.
Best UHS-I SD Memory Cards for Sony a7 III
4. SanDisk Extreme PRO UHS-I Card 170 MB/s (V30, U3)
A+! The SanDisk Extreme Pro 170 MB/s UHS-I card is the fastest UHS-I SD card for Sony a7 III and one of my top recommendations for consumer UHS-I cameras. The SanDisk Extreme Pro 170MB/s UHS-I card is suitable for quick burst shooting, 4K video, and full HD video at 120fps. SanDisk Extreme Pro UHS-I cards have a V30 and U3 speed class rating, guaranteeing 30 MB/s write rates. SanDisk Extreme Pro 170 MB/s UHS-I cards are available in 64GB, 128GB, 256GB, and 512GB capacities.
This card is for those on a tight budget who wish to save money. The SanDisk Extreme UHS-I SDXC Card (V30, U3) provides read rates of up to 150MB/s and write speeds of up to 70MB/s, making it perfect for fast-action or continuous burst mode photography, as well as full HD, 3D, and 4K video. A write-protect switch prevents unintentional data loss.
Kingston Canvas React UHS-I SDXC Memory Card supports read rates of up to 100 MB/s and write speeds of up to 80 MB/s. This Canvas React card’s V30 speed class ensures 30 MB/s write rates. Burst-mode images and 4K video are supported.