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11-16-2011, 04:42 PM   #1
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Memory card speed

SDSDXP1-008G-A75 SanDisk 8GB, ExtremePRO Secure Digital High Capacity (SDHC) UHS-1 Memory Card, - 45MBS
SDSDRX3016GA21 SanDisk 16GB, Extreme Secure Digital High Capacity (SDHC) Memory Card.

I use K-5. I have two decision 8 or 16 gb but 45m/b and 30m/b
is this speed affect the K-5?
how musch time 45m/b is faster than 30m/b?

11-16-2011, 05:36 PM   #2
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I suspect the the difference between 30 and 45 Mb/s will only be relevant for long Hi continuous shooting bursts. Otherwise I doubt that you will see any difference, incl. for short bursts and HD video.
11-16-2011, 08:33 PM   #3
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Pentax cameras support usage of 45mbps cards, but they don't support the speed, so you won't notice any speed improvement between the 45mbps and 30mbps cards

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