USB-hosted readers & 4GB SD cards compatibility

J

Jacques Hulaux

Hello,

I am getting disoriented by all those new, cheap USB-hosted SD card readers
popping out every month with astonishing specs (like 480MB/s) while I can
read so many disappointed testimonials.

I am ready to buy a IOGEAR single-slot reader (ref. GFR202SDW6) but I am
wondering if it works with 4GD SD cards. I asked IOGEAR support folks by
e-mail but they remain silent sofar.
Already tried that combination, anyone ?
Also, if you succeeded using 4GB cards with any other USB-key-like SD
reader, please let me know which brand & model (both card and reader).

And, by the way, if you have any clue about MP3 players that use both SD
cards as storage and USB as a link to a host, I would appreciate getting any
information for those that can handle 4 GB cards too.

I just cannot believe there are so few people looking for accurate specs
like me.
 
R

Rod Speed

Jacques Hulaux
Hello,

I am getting disoriented by all those new, cheap USB-hosted SD card
readers popping out every month with astonishing specs (like 480MB/s)
while I can read so many disappointed testimonials.

I am ready to buy a IOGEAR single-slot reader (ref. GFR202SDW6) but I
am wondering if it works with 4GD SD cards. I asked IOGEAR support
folks by e-mail but they remain silent sofar.
Already tried that combination, anyone ?
Also, if you succeeded using 4GB cards with any other USB-key-like SD
reader, please let me know which brand & model (both card and reader).

And, by the way, if you have any clue about MP3 players that use both
SD cards as storage and USB as a link to a host, I would appreciate
getting any information for those that can handle 4 GB cards too.

I just cannot believe there are so few people looking for accurate
specs like me.

Few use SD cards with MP3 players.

They're mainly used in cameras, try asking in one of those groups.
 
F

Folkert Rienstra

Jacques Hulaux said:
Hello,

I am getting disoriented by all those new, cheap USB-hosted SD card readers
popping out every month with astonishing specs
(like 480MB/s)

More like 480Mb/s.
while I can read so many disappointed testimonials.

I am ready to buy a IOGEAR single-slot reader (ref. GFR202SDW6) but I am
wondering if it works with 4GD SD cards. I asked IOGEAR support folks by
e-mail but they remain silent sofar.
Already tried that combination, anyone ?
Also, if you succeeded using 4GB cards with any other USB-key-like SD
reader, please let me know which brand & model (both card and reader).

And, by the way, if you have any clue about MP3 players that use both SD
cards as storage and USB as a link to a host, I would appreciate getting any
information for those that can handle 4 GB cards too.
I just cannot believe there are so few people looking for accurate specs
like me.

And look what good that does to you.
Can't even get the specs right once you get them.
 
A

Arno Wagner

Previously Jacques Hulaux said:
I am getting disoriented by all those new, cheap USB-hosted SD card readers
popping out every month with astonishing specs (like 480MB/s) while I can
read so many disappointed testimonials.

Hehe, that would be 480Mb/s, not 480MB/s. And that is the maximum
theoretical interface bandwidth of USB2.0. The card will be much slower
and if the card is really, really fast, I would be surprised if you
get much more than 15MB/s (=120Mb/s) from the card. Of course the
reader cannot deliver data faster than the card....
I am ready to buy a IOGEAR single-slot reader (ref. GFR202SDW6) but I am
wondering if it works with 4GD SD cards. I asked IOGEAR support folks by
e-mail but they remain silent sofar.

A good indicator that you should not buy anything from them.
Already tried that combination, anyone ?
Also, if you succeeded using 4GB cards with any other USB-key-like SD
reader, please let me know which brand & model (both card and reader).
And, by the way, if you have any clue about MP3 players that use
both SD cards as storage and USB as a link to a host, I would
appreciate getting any information for those that can handle 4 GB
cards too.
I just cannot believe there are so few people looking for accurate
specs like me.

The problem is rather that people with no knowledge or semi-knowledge
tend to believe what marketing tells them. On the other hand, marketing
tends to put the highest number available on it.

Example: Many people see marketing claimes of 3MB/s for SATA II drives.
First SATAII supports 3Mb/s (thats 12.5% of 3MB/s). Second, that is
what the interface supports, not the drive. In practice you get something
like 60MB/s at the beginning of the drive and 30MB/s at its end.
But if marketing would put these numbers on the drive, people would
buy the "faster ones".

Arno
 

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