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From: Jaimie Vandenbergh on 19 Feb 2010 12:58
On Fri, 19 Feb 2010 16:46:47 GMT, bok118(a)zonnet.nl (Gerard Bok) wrote:

>On Fri, 19 Feb 2010 11:36:15 GMT, Sain So <invalid(a)nospaml.com>
>wrote:
>
>>I am thinking of using an SD card with a USB adapter (instead of a USB
>>memory stick) as way of having portable data.
>>
>>(Q1) Is there any significant difference between the two in terms of
>>function or performance?
>
>Yes. (Almost) all SD cards have a write protect switch.
>Write protect switches on USB sticks are rare, to say the least
>:-)

Does anything honour that? It's a software setting rather than
hardware, and most of the kit I use seems to completely ignore it.

Cheers - Jaimie
--
Happiness, n.: An agreeable sensation arising from contemplating the
misery of another. - Ambrose Bierce, The Devil's Dictionary
From: kony on 19 Feb 2010 17:16
On Fri, 19 Feb 2010 17:58:11 +0000, Jaimie Vandenbergh
<jaimie(a)sometimes.sessile.org> wrote:

>On Fri, 19 Feb 2010 16:46:47 GMT, bok118(a)zonnet.nl (Gerard Bok) wrote:
>
>>On Fri, 19 Feb 2010 11:36:15 GMT, Sain So <invalid(a)nospaml.com>
>>wrote:
>>
>>>I am thinking of using an SD card with a USB adapter (instead of a USB
>>>memory stick) as way of having portable data.
>>>
>>>(Q1) Is there any significant difference between the two in terms of
>>>function or performance?
>>
>>Yes. (Almost) all SD cards have a write protect switch.
>>Write protect switches on USB sticks are rare, to say the least
>>:-)
>
>Does anything honour that? It's a software setting rather than
>hardware, and most of the kit I use seems to completely ignore it.
>
> Cheers - Jaimie

Any properly designed reader honors it, if anything you have
doesn't, the equipment is defective.
From: mike on 21 Feb 2010 09:38
Sain So wrote:
> I am thinking of using an SD card with a USB adapter (instead of a USB
> memory stick) as way of having portable data.
>
> (Q1) Is there any significant difference between the two in terms of
> function or performance?
>
> (Q2) Could a micro-SD card (with a "size" adapter) always be used in place
> of a regular sized SD card?

An adapter for a standard SD card is often bigger than a USB stick.

The weak link in a USB is the USB connector itself. Lots of leverage
when you bend on the stick can fracture internal connections. If you
break it, the reader is cheaper to
replace than the dedicated USB stick.

SD card can plug into your pda or mp3 player. USB stick has less
versatility.

Adapter has more connections to go dirty/bad/intermittent.
QUALITY adapters aren't cheap. Cheap adapters aren't QUALITY.

USB sticks are often cheaper than SD cards in the larger sizes...
especially high-speed cards.

From: Jaimie Vandenbergh on 21 Feb 2010 11:23
On Sun, 21 Feb 2010 06:38:58 -0800, mike <spamme0(a)go.com> wrote:

>Sain So wrote:
>> I am thinking of using an SD card with a USB adapter (instead of a USB
>> memory stick) as way of having portable data.
>>
>> (Q1) Is there any significant difference between the two in terms of
>> function or performance?
>>
>> (Q2) Could a micro-SD card (with a "size" adapter) always be used in place
>> of a regular sized SD card?
>
>An adapter for a standard SD card is often bigger than a USB stick.
>
>The weak link in a USB is the USB connector itself. Lots of leverage
>when you bend on the stick can fracture internal connections. If you
>break it, the reader is cheaper to
>replace than the dedicated USB stick.

Micro-SD readers can be *much* better than SD cards. One of the
reasons I've switched.

http://www.dealextreme.com/details.dx/sku.9391

Cheers - Jaimie
--
"I do not like the feel of the middle way; and I do not like the smell of
the left hand way" -- J R R Tolkien
From: Mickel on 22 Feb 2010 21:47
"Sain So" <invalid(a)nospaml.com> wrote in message
news:Xns9D24760BC6B665D4AM2(a)unknown.sj.astraweb.com...
>I am thinking of using an SD card with a USB adapter (instead of a USB
> memory stick) as way of having portable data.
>
> (Q1) Is there any significant difference between the two in terms of
> function or performance?
>
> (Q2) Could a micro-SD card (with a "size" adapter) always be used in place
> of a regular sized SD card?

This will all work quite well, the only issue is the more connectors you add
the less reliability you get. I have a sandisk SD card which actually has a
USB port on the flip side. It works very well but I don't think they came in
anything over 2GB.

http://pan.fotovista.com/dev/3/8/32200083/l_32200083.jpg


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