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Mini SD Cards
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Feb 5, 2018 12:04:50   #
lautenk2
 
James Slick wrote:
It may or may NOT be called microSD as microSD and miniSD are two different form factors. Both have adapters for standard (ful size) SD slots. microSD and standard SD cards are the most common, but there are also MiniSD cards.

As to the question of using "sub sized" SD cards in their adapters: I never had any issues using them.

Performance is based on the class rating not the physical size of the card. Small physical size is useful in phones, However some compact P&S cameras use microSD without adapters (I have a Samsung P&S that does). No performance issues with it. I have recorded HD video with it.
It may or may NOT be called microSD as microSD and... (show quote)


The other thing about mini-SD cards is that I haven't seen one in about ten years. I own a couple of micro-SD card to mini-SD card adapters because they were included in the package with a micro-SD card along with a micro-SD card to SD-card adapter (that I have used quite often, they work just fine). Mini-SD cards are about twice the size of micro-SD cards, and SD-cards are larger again. If you do spot an actual mini-SD-card, you will no doubt find that it is 1. old, 2. slow, and 3. small capacity like 2Gb or less.

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Feb 5, 2018 12:24:07   #
James Slick Loc: Pittsburgh,PA
 
lautenk2 wrote:
The other thing about mini-SD cards is that I haven't seen one in about ten years. I own a couple of micro-SD card to mini-SD card adapters because they were included in the package with a micro-SD card along with a micro-SD card to SD-card adapter (that I have used quite often, they work just fine). Mini-SD cards are about twice the size of micro-SD cards, and SD-cards are larger again. If you do spot an actual mini-SD-card, you will no doubt find that it is 1. old, 2. slow, and 3. small capacity like 2Gb or less.
The other thing about mini-SD cards is that I have... (show quote)


That doesn't mean they don't exist.

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Feb 5, 2018 12:25:16   #
James Slick Loc: Pittsburgh,PA
 
royb_36-cox.net wrote:
There are only two sizes of SD card, Micro and Full size. There is one adapter for micro SD cards which is the size of a full size SD card. There are many stores which call the Micro SD cards Mini SD including Amazon and Staples. When you look at the listing for a specific Mini SD card they are almost always are called a Micro SD card. https://www.staples.com/mini+sd+card/directory_mini+sd+card . The electronics inside a Micro SD card is the same as is in the Full sized SD card so speed options are the same for both.
There are only two sizes of SD card, Micro and Ful... (show quote)


Google is your friend. MiniSD & MicroSD are not the same thing.



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Feb 5, 2018 13:03:27   #
billgdyoung Loc: Big Bear City, CA
 
Differences? The same memory chip is used in both physical formats... but it's cheaper to make the micro size.

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Feb 5, 2018 13:13:33   #
James Slick Loc: Pittsburgh,PA
 
billgdyoung wrote:
Differences? The same memory chip is used in both physical formats... but it's cheaper to make the micro size.


IDK how much cheaper it is when they usually include the adapter, OTOH, Micro SD is vital for phones today. I had two Palm Treo phones (in the Pre iPhone/Galaxy days...) that actually used full sized SD cards! Not a problem then as the battery alone for a Treo 650 is twice as thick as an entire Galaxy S7! 😉

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Feb 5, 2018 14:43:00   #
lsimpkins Loc: SE Pennsylvania
 
From a reliability standpoint introducing an additional set of electrical contacts, as between a microSD and its adapter, could theoretically reduce the overall reliability of the system. However, if the microSD (or miniSD for that matter) card is kept in an adapter, the chance of having an issue is exceedingly small.

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Feb 5, 2018 14:44:22   #
lautenk2
 
James Slick wrote:
That doesn't mean they don't exist.
Oh yes, they do exist and your previous post with the photo of all three sizes was excellent. The point is that "mini" and "micro" SD cards are not the same thing, and I get the sense from other posts that many people are no longer aware of the difference. The other point is, even if you actually find one in the flesh so to speak, which you probably won't, the "mini" form factor cards are long past being desirable.

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Feb 5, 2018 15:26:16   #
mas24 Loc: Southern CA
 
James Slick wrote:
Google is your friend. MiniSD & MicroSD are not the same thing.


I just learned something today. The mini vs the micro SD card. I have a few SD and micro memory cards. I've never seen one (mini), nor desire to own one..

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Feb 5, 2018 17:18:34   #
TheShoe Loc: Lacey, WA
 
mr spock wrote:
This may be a dumb question but what is the advantage of using a mini card?
Size?
Cost?
Performance?
Thank you

I can think of two advantages of using them:
1. It is easier to lose those itty bitty things.
2. If you have dexterity problems, handling them can produce many comic moments.

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Feb 5, 2018 17:23:52   #
amfoto1 Loc: San Jose, Calif. USA
 
I have never used the miniSD or microSD in my cameras (have had them in phones).

In fact, I dislike the small size of standard SD cards, though I do grudgingly use them. For handling I prefer the the larger size of Compact Flash (and now the newer XQD and CFast that are similar size).

Remove the card from the camera to download it, if at all possible. There are several reasons. One is that your camera battery has to be charged up to download from it. If the power level drops too low during a download, the camera might shut off before the download completes, which can corrupt images. There's also risk of someone accidentally turning the camera off or detaching the cable mid-download, which also would likely corrupt images.

Another reason is that the contacts are pretty durable (especially what are used for SD cards... versus the many tiny "pins and sockets" that Compact Flash use).

In fact, I'd rather damage a card's contacts (easily and inexpensively replaced)... or the memory card socket in the camera (more expensive repair, but a sub-module in the camera that's not too pricey)....

The USB socket in most cameras is used with a cable for downloading without removing the card (WiFi is probably too slow and may be more prone to interruptions). BUT, the USB socket in most cameras is quite possibly more easily damaged than the memory card socket... AND, if it ever needs replacement, most camera's USB socket is on the main circuit board and more expensive to repair... both parts and labor... because much more disassembly will be necessary.

So, I recommend simply removing the card and using a card reader. I've done it hundreds of times with almost no problems. In a dozen years shooting digital... as much as 50,000 images a year... the only memory card-related problems I've ever had have been:

1. Connectivity issue when using an external card reader that I'd connected to my computer using a USB hub. As soon as I reconnected it directly, eliminating the hub, problem solved. But since then I've bought a computer with built-in card readers that are even faster and have been utterly reliable.

2. Pulled a memory card from a camera too quickly once (sometimes I use 5, 10 or more memory cards for a day's shoot)... while the camera was still writing to the card. Ended up corrupting some images on the card and had to use recovery software to retrieve about 2/3 of what was on the card. That as an older, slower camera, though. Newer that I use now finish writing almost immediately.

3. Twice I've had memory cards "go bad"... but that happened right from new. One didn't work at all. The other worked once, but after download it locked up for some reason and was unrecoverable.

I've probably used upwards of 100 different memory cards over the years, never damaged a camera or card or had and problems other than above.

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Feb 5, 2018 23:53:48   #
aellman Loc: Boston MA
 
royb_36-cox.net wrote:
e same for both.

Deleted, bad information. see the next post for a correct response.


Yes, the is a "mini" and a "micro," but the zeal with which you declare the previous answer "bad" shows that
you are one of the way-too-many purported "experts" on UHH, desperate to prove that he is more expert than all the other
would-be experts. (Even the experts have experts.) How so many brilliant people can all reside in a
single virtual place is a mystery to me, but it's super-impressive. >Alan

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Feb 6, 2018 15:44:02   #
royb_36-cox.net Loc: Phoenix
 
aellman wrote:
Yes, there is a "mini" and a "micro," but the zeal with which you declare the previous answer "bad" shows that
you are one of the way-too-many purported "experts" on UHH, desperate to prove that he is more expert than all the other
would-be experts. (Even the experts have experts.) How so many brilliant people can all reside in a
single virtual place is a mystery to me, but it's super-impressive. >Alan


Whatever. I had never heard of a Mini SD Card. I noted that many sources are now calling the Micro SD Card a Mini SD in their search engines. However the next post pointed out that a decade ago the Mini SD Card was released and existed for a short time. My post stated that there was no such thing as a Mini SD Card based on incomplete knowledge and research on my part. The right thing to do is delete the bad information in such a post. Since nothing else in the post was useful to the discussion I deleted the whole post. Glad my post gave you an opportunity to VENT!

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Feb 7, 2018 12:28:52   #
DI Seller Loc: Knoxville, TN
 
In a pinch I want used the MicroSD card with an adapter and it work just great

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