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 |
check price | Amazon/ B&H/ Adorama |
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 |