Best Memory Cards for Sony a7R IV

The new Sony a7R IV (B&H Photo Video/Adorama/Amazon) is the latest full frame mirrorless camera from Sony. It has two SD memory card slots, and both support UHS-II SD memory cards. To max use of a7RIV, for example shooting 4K video with Sony a7R IV, a fast card is a must. Otherwise, you’ll miss most of your shots waiting for the buffer to clear. So the best choice is to use the UHS-II SD memory cards. Currently, Sony, Lexar, Sandisk, Delkin produce UHS-II SD memory cards. Below are a list of top recommended UHS-II SD memory cards for Sony a7R IV full frame mirrorless camera.

Recommended UHS-II SD memory cards for Sony a7RIV:

To max use of a7R IV, you’d better get a UHS-II SD card. Currently the fastest & toughest UHS-II SD memory card is Sony’s best selling SF-G UHS-II Tough SD card, this card has fastest read speed at 300 MB/s & write speed at 299 MB/s. The Sony SF-G UHS-II SDXC cards are also great choice for Sony a7R IV, has same write and read speed, with a much cheaper price. The Lexar Professional 2000x UHS-II SDXC card and SanDisk Extreme PRO UHS-II SDXC card both has the same max read 300 MB/s and write speed 260 MB/s.

Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G Tough UHS-II SDXC 300 MB/s 299 MB/s B&H/Adorama/Amazon
Sony SF-G UHS-II SDXC 300 MB/s 299 MB/s Amazon/B&H/Adorama
Lexar Professional 2000x UHS-II SDXC 300 MB/s 260 MB/s Amazon/B&H/Adorama
SanDisk Extreme PRO UHS-II SDXC 300 MB/s 260 MB/s Amazon/B&H/Adorama
Hoodman Steel 2000x SDXC UHS-II 300 MB/s 260 MB/s B&H/Adorama
Angelbird AV Pro UHS-II SDXC 300 MB/s 260 MB/s Amazon/B&H/Adorama
Delkin Devices Cinema SDXC UHS-II 280 MB/s 250 MB/s Amazon/B&H/Adorama
Sony M Series UHS-II SDXC 260 MB/s 100 MB/s B&H/Adorama
Lexar Professional 1000x UHS-II SDXC 150 MB/s 75 MB/s Amazon/B&H/Adorama
Recommended UHS-I SD memory cards for Sony a7RIV:

You can also use cheap UHS-I SD cards for a7R IV, currently the fastest UHS-I SD memory cards are from SanDisk (Max Read Speed at 170 MB/s) and Sony, both has max. write speed at 90 MB/s.

Card Max. Read Speed Max. Write Speed Check Price
SanDisk Extreme PRO UHS-I SDXC 170 MB/s 90 MB/s Amazon/B&H/Adorama
Sony UHS-I SDXC 95 MB/s 90 MB/s Amazon/B&H/Adorama
Delkin Devices Elite UHS-I SDHC 95 MB/s 80 MB/s Amazon/B&H/Adorama
Sony High Speed UHS-I SDXC 90 MB/s 70 MB/s Amazon/B&H/Adorama
Transcend UHS-1 SDXC 95 MB/s 60 MB/s Amazon/B&H/Adorama