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Grady Clay
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Join Date: Dec 2003
Location: Arapahoe County, Colorado, USA
Posts: 9,032
What do I need to know about SD cards but never ask?

I searched Pelican and only came up with this:
http://forums.pelicanparts.com/off-topic-discussions/383688-computer-guys-need-help-sd-card.html

An overwhelming amount of info is here:
Secure Digital - Wikipedia, the free encyclopedia

My question is how to best organize and preserve my SD info.
My cameras use the standard 2GB or 4GB cards.
I have my 8M camera set to 1200x1600, more than adequate for my current use.
They are so inexpensive ($2) that I simply use a new card when one gets full.
All the images are downloaded to both my laptop and desktop (which has a backup external drive.)

Do I need to periodically ‘refresh’ or transfer the data from/to cards to maintain the integrity of the data?
Is there a program that helps check/correct data errors?

Is it useful to format my new cards? http://www.sdcard.org/consumers/formatter_3/ from sdcard.org.

I don’t even know what kind of card is in my cell.
I want to try a HD video recorder.

At what point do cards with ∞ high-TB capacity, SDXC and Class 10+ come into play?
It appears that standard SD, miniSD and microSD differ only in physical size but are data-interchangeable.
Clearly some devices (HD TV @ 120HZ) should require a high data transfer rate.
The Class 10 (66x) seems to be 10 MB/sec while a (600x) 90 MB/sec version is listed.

Is there a brand difference when considering the high-end cards?
I see a wide range of $/GB on Amazon, not necessarily related to capacity.


With electronics, I’m very much a “somewhere above mid-point but not at the extreme of the technology” type buyer.
My intent is to have long useful life while not pushing the limits of current technology or price.

So … let the SD card discussion begin.

Best,
Grady

hp RPN uber alles.
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Old 10-17-2011, 09:08 AM
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