Best Memory Cards for Sony a7S II

Searching for the best SD memory cards for Sony a7S II mirrorless camera? Here are our top recommended & fastest SD cards for Sony Alpha a7S II.

Making strides in the video arena, the Sony a7S II mirrorless camera offers ultra-high sensitivity and wide dynamic range across the entire ISO range plus 5-axis image stabilization – the Sony a7S II (Amazon, B&H, Adorama) is geared primarily towards video shooters who love the full frame look, as well as people who need amazing low-light performance. Revolving around a full-frame 12.2MP Exmor CMOS sensor, the Sony a7S II is capable of internal UHD 4K recording at 30 fps with full pixel readout as well as 1080p recording at up to 120 fps, all in the XAVC S format. For both stills and video recording, the BIONZ X image processor also pairs with the sensor to enable expanded sensitivity to ISO 409600, continuous shooting to 5 fps, and fast intelligent autofocus with low-light sensitivity to -4 EV. Simply put, the Sony a7S II is a great option if you love 4K video and low light shooting.

The Sony a7S II features a single SD card slot that fully supports UHS-I SD cards, and the UHS-II cards can be used in Sony a7S II in UHS-I mode at the fastest UHS-I write speed. Although you can’t get extra write speed from using UHS-II cards, you can take advantage of the read speed of UHS-II memory cards (up to 300 MB/s with a USB 3.0 memory card reader), especially when transferring photos from the card to a computer. So, for Sony a7S II users, if you like shooting quite large Raw still images and UHD 4K videos, some quality and reliable 64GB, 128GB and 256GB U3 capable SD cards will be your best choices.

Below are our top recommended SD cards for Sony a7S II based on the speed and price, you can choose the one you like.

Recommended SD Memory Cards for Sony a7S II

If you just want to cut to the chase, here are some quick recommendations.

1. SanDisk Extreme UHS-I SDXC Card (V30, U3) – Best Value

2. SanDisk Extreme PRO UHS-I 95 MB/s (V30, U3) – Fastest UHS-I SD Card

3. Sony SF-G Series UHS-II – Fastest UHS-II SD Card

4. Lexar Professional 2000x UHS-II

Best SD Memory Cards for Sony a7S II

1. SanDisk Extreme UHS-I SDXC Card (V30, U3)

We know Sony decides to stick with USB 2.0 interface, which means the write speeds on Sony a7S II is pretty limited (about 32MB/s). So you can’t get extra write speed from using UHS-II cards. With extremely fast read speeds of up to 150MB/s (for fast transfer) and write speeds of up to 70MB/s, the SanDisk Extreme UHS-I SDXC Cards (V30, U3) are the best value for Sony a7S II users and it is ideal for raw and burst photography, as well as 4K Ultra HD and Full HD video – available in 64GB, 128GB, 256GB sizes. With extremely fast read speeds of up to 150MB/s, this memory card lets you transfer high-resolution images or 4K Ultra HD videos from your DSLR or camcorder to your computer without a long wait.

Buy SanDisk Extreme UHS-I SDXC Card (V30, U3): at AmazonB&HAdorama.

2. SanDisk Extreme PRO UHS-I 95 MB/s (V30, U3) 

The fastest UHS-I SD cards for Sony a7S II are SanDisk Extreme Pro 95MB/s UHS-I cards (with affordable price). The SanDisk Extreme PRO UHS-I (V30, U3) is our favorite card with excellent performance and affordable price: Read speeds are supported up to 95 MB/s and write speeds max out at 90 MB/s. Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as RAW and burst photography, SanDisk Extreme PRO UHS-I (V30, U3) is ideal for professionals recording extreme sports and other fast-action activities.

Buy SanDisk Extreme PRO UHS-I 95 MB/s (V30, U3) at AmazonB&HAdorama.

Although there is a newer model of this item: SanDisk Extreme PRO UHS-I 170 MB/s (V30, U3) – But, you can only get the claimed 170MB/s read speed with a Sandisk UHS-1 USB SD Card Reader as it utilizes proprietary technology to go above UHS-1 speeds.

3. Sony SF-G Series UHS-II – The Fastest SD Cards

With up to 300MB/s read speed and 299MB/s write speed, the Sony SF-G UHS-II Card is the world’s fastest SD card for Sony a7S II and it provides super fast buffer clearing time between burst shooting and efficient workflow when transferring content to computer. Especially good for 4K or full HD continuous shooting and burst shooting. So, if you are seeking the highest write speed as well as extremely high 250-300MB/s read speeds for transferring photos from the card to a computer, this is the recommended card for you.

Buy Sony SF-G Series UHS-II SDXC Cards: at AmazonB&HAdorama.

4. Lexar Professional 2000x UHS-II

Excellent UHS-II SD Card with super fast speed! This Lexar Professional 2000x UHS-II features UHS Speed Class 3 (U3) compatibility ensuring a minimum data write speed of 30 MB/s along with a maximum read speed of up to 300 MB/s (2000x) – It has the super fast speeds for both writing and reading files. In addition, it comes with a free Lexar SD UHS-II Reader for high-speed file transfer from card to computer, dramatically accelerating workflow. The only downside is the UHS-II cards are a little pricy compared to the UHS-I cards.

Buy Lexar Professional 2000x UHS-II Cards: at AmazonB&HAdorama.

Read more: Best Lenses for Sony a7S II.