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12-30-2014, 12:12 AM   #1
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Mapleleaf-Mick's Avatar

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Memory Card

What is the largest and fastest memory card I can use in my K3 and my K5.

Thanks for reading my post.

Michael J.

12-30-2014, 12:19 AM   #2
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The K-3 supports the UHS-I standard, and the fastest cards within that spec have a read/write speed of 90-95 Mb/s. Get ready to spend some big bucks if you want the largest available size (512Gb), though!

SanDisk 32GB SDHC Memory Card Extreme Pro Class SDSDXP-032G-A46
SanDisk 64GB SDXC Memory Card Extreme Pro Class SDSDXP-064G-A46
SanDisk 128GB Extreme Pro UHS-I U3 SDXC Memory SDSDXP-128G-A46
SanDisk 256GB Extreme Pro UHS-I U3 SDXC Memory SDSDXP-256G-A46
SanDisk 512GB Extreme Pro UHS-I U3 SDXC Memory SDSDXP-512G-A46

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12-30-2014, 05:36 AM   #3
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I believe the K-5 supports the same range. The K-5 is a lot slower than the K-3, though, so cards faster than about 45 Mbps is a bit of a waste.
12-30-2014, 07:46 AM   #4
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I bought this 64 GB card for my Pentax K-3 and it is plenty fast. Check out my review to see R/W speeds. Video also shot on my K-3 with Sigma 50 f.1 4 DG EX HSM


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