Best Memory Cards for Pentax K-3 Mark III

In March 2021, PENTAX K-3 Mark III was officially announced. It is now available for pre-order at Amazon/ B&H/ Adorama.

Pentax K-3  III has Dual SD slots (UHS-II supported), so you’d better get some UHS-II SD cards for it. Below are top recommended memory cards for Pentax K-3 Mark III:

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Pentax K-3 III
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Recommended UHS-II SD memory cards for Canon EOS R6:

Currently,  the best memory cards for your Pentax K-3 Mark III is the fastest & toughest UHS-II SD memory card: Sony’s SF-G UHS-II Tough SD card, which has the fastest read speed of 300 MB/s & write speed of 299 MB/s. The SanDisk Extreme PRO UHS-II SDXC card and Lexar Professional 2000x UHS-II SDXC card also have the max read speed of 300 MB/s and write speed of 260 MB/s.

Cards Max. Read Speed MB/s Max. Write Speed MB/s Check Price
Sony SF-G Tough UHS-II SDXC 300 299 Amazon/ B&H/ Adorama
SanDisk Extreme PRO UHS-II SDXC 300 260 Amazon/ B&H/ Adorama
Lexar Professional 2000x UHS-II SDXC 300 260 Amazon/ B&H/ Adorama
ProGrade Digital UHS-II SDXC 300 250 Amazon/ B&H/ Adorama
Delkin Devices Power SDXC UHS-II 300 250 Amazon/ B&H/ Adorama
Lexar Professional 1667x UHS-II SDXC 250 90 Amazon/ B&H/ Adorama

Best UHS-I SD memory cards for Pentax K-3 Mark III

If you want to buy UHS-I memory cards for your Pentax K-3 Mark III, which are much cheaper than UHS-II SD cards, you could choose the SanDisk Extreme PRO UHS-I SD cards, which has the max read speed of 170MB/s, and max write speed of  90MB/s. Below are top recommended memory cards for Pentax K-3 Mark III.

Cards Max. Read Speed Max. Write Speed Check Price
SanDisk Extreme PRO UHS-I SDXC 170 MB/s 90 MB/s Amazon
SanDisk Extreme UHS-I SDXC 150 MB/s 70 MB/s Amazon
Lexar Professional 633x UHS-I SDXC 95 MB/s 45 MB/s Amazon
PNY Elite Performance UHS-1 SDXC 95 MB/s Amazon
Transcend UHS-I SDXC 95 MB/s 60 MB/s  Amazon