GH3 GH4; 4k SD card requirements?

Does anyone know if the new UHS-1 Class 3 cards will be able to do the 200mbps 1080p recording or will we have to use microP2 to get the highest bitrate?
 
Does anyone know if the new UHS-1 Class 3 cards will be able to do the 200mbps 1080p recording or will we have to use microP2 to get the highest bitrate?

The UHS-I Class 3 card spec guarantees a minimum of 240 Mbps performance, so they should be a great match for the GH4's 200 Mbps mode.
 
Any updates?
Will my SanDisk Extreme SD card work with the GH4 shooting 4k?
If not, what about the SanDisk Extreme Pro?
 
Will my SanDisk Extreme SD card work with the GH4 shooting 4k?

My 64GB 95MB/sec SDXC SanDisk Extreme cards work flawlessly for 4K recording.

The SDXC card has a better memory controller so you may have problems with the smaller SDHC version of this card.
 
Anyone have experience with those cheaper ones? The camera isn't mine, so I won't have a need for the better card unless I decide to play around with ML Raw on my Canon t3i. Would the SanDisk Extreme 45MBps Write speed be good enough for shooting 4k on the GH4?

The 95MBps card is the Extreme Pro version.
 
Which would be even more expensive and I believe requires SSD drives. Not a cheap route at all and completely dwarfs the cost of shooting to the expensive SDHC cards.
SDHC cards expensive ? I paid $35 for a 64GB Transcend SDXC U3 card from B&H so SDHC cards should be even cheaper.
 
I only use SanDisk, as they have less reports of errors and have a higher resale value.
The SanDisk Extreme Pro 95MBps is $100 for 64gb.
 
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