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New Contributor
Posts: 1
Registered: ‎04-13-2018

MICRO SD vs 5D MK3???

Hi guys...

i've just bought a  64gb micro sd card with an adapter, but my 5d mklll won't even turn on when i insert the card on it...

is this a common problem??

 

thanks all....

 

Reputable Contributor
Posts: 992
Registered: ‎02-06-2013

Re: MICRO SD vs 5D MK3???

You are supposed to use the regular SD cards.  Actually for the 5D Mark III, you should use the CF card as the transfer rate is a lot higher for the CF card slot than the SD slot.

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Honored Contributor
Posts: 6,128
Registered: ‎08-13-2015

Re: MICRO SD vs 5D MK3???


@morchriscostawrote:

Hi guys...

i've just bought a  64gb micro sd card with an adapter, but my 5d mklll won't even turn on when i insert the card on it...

is this a common problem??

 

thanks all....

 


Yes.  It is not unusual for the adapter to be an impediment.  The micro-SD cards should only be used in devices that use them directly, without the adapter.

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Reputable Contributor
Posts: 673
Registered: ‎11-14-2012

Re: MICRO SD vs 5D MK3???

[ Edited ]

I have used Samsung MicroSD without any issue. But as already written, with 5DIII the SD card will give you a write speed of 21MB/s. If you overclock the memory bus you could get around 50MB/s, but your card may break.
With CF I have seen around 120MB/s with Komputerbay x1066.

 

If I were you I would install SD Formatter,use a card reader and format the card with SD Formatter first.

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