Best Memory Cards for Sony a7 IV

The Sony a7 IV is Sony’s newest full frame mirrorless camera released at the end of 2021. Sony a7IV is a professional mirrorless camera for most photographers. In order to max use of this camera, you’d better get a fast memory card. Sony a74 has two memory card slots, one is SD card slot supports UHS-II SD cards, the other is CFexpress Type A card slot, supports CFexpress Type A cards. We have reviewed and tested latest memory cards, and below are top recommended SD and CFexpress Type A cards for Sony a7m4:

Best CFexpress Type A Cards for Sony a7IV:

Currently, only Sony and ProGrade Digital have released CFexpress Type A cards, these cards has max read speed at 800MB/s, and max write speed at 700MB/s.

Card Max. Read Speed Max. Write Speed Check Price
Sony Tough CFexpress Type A 800 MB/s 700 MB/s Amazon/B&H/Adorama
ProGrade Digital CFexpress Type A Cobalt 800 MB/s 700 MB/s Amazon/B&H/Adorama
Best UHS-II SD Cards for Sony a7IV:

Since the CFexpress Type A cards are very expensive, you may also consider UHS-II SD memory cards, these cards are also top recommended cards for Sony a7 IV. 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. You can take a look at recommended UHS-II SD cards for Sony a7 IV below:

Card Max. Read Speed Max. Write Speed Check Price
Sony SF-G Tough UHS-II SDXC 300 MB/s 299 MB/s Amazon/B&H/Adorama
SanDisk Extreme PRO UHS-II SDXC 300 MB/s 260 MB/s Amazon/B&H/Adorama
Lexar Professional 2000x 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 Amazon/B&H/Adorama
ProGrade Digital UHS-II SDXC 300 MB/s 250 MB/s Amazon/B&H
Delkin Devices Power SDXC UHS-II 300 MB/s 250 MB/s Amazon/B&H
Sony SF-M Tough UHS-II SDXC 277 MB/s 150 MB/s Amazon/B&H/Adorama
Lexar Professional 1667x UHS-II SDXC 250 MB/s 90 MB/s Amazon/B&H/Adorama
Best UHS-I SD memory cards for Sony a7IV:

The UHS-I SD memory cards are much cheaper than CFexpress and UHS-II SD cards. Currently the fastest UHS-I SD card is from SanDisk, the SanDisk Extreme PRO UHS-I SDXC card has max read speed at 170MB/s and max write speed at 90MB/s. Take a look at recommended UHS-I SD cards for Sony a7 IV:

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
SanDisk Extreme UHS-I SDXC 150 MB/s 70 MB/s Amazon/B&H/Adorama
Lexar Professional 633x UHS-I SDXC 95 MB/s 45 MB/s Amazon/B&H/Adorama
PNY Elite Performance UHS-1 SDXC 95 MB/s Amazon/B&H/Adorama
Transcend UHS-I SDXC 95 MB/s 60 MB/s Amazon/B&H/Adorama