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Old 08-22-2006, 11:21 AM   #1 (permalink)
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Default SD cautionary tale

I thought I was a pretty savvy e-consumer, but I'm in the embarassing position of posting this warning:

We all (should) know about the abundance of defective, bootleg SD cards out there. The advice to only buy from a reputable e-merchant is all over these and other forums. So I did. I bought a SanDisk Ultra II 2GB card about 3 months ago. Paradoxically, the problem was that it worked.

The reason that turned out to be a problem is that I only recently tried to use the card to write an audio stream, and my write rate was well below spec. I used CardSpeed (a read/write tester that comes bundled with Audacity) and it turns out that the data transmission rates were from 1/4th to 1/20th what the card should've been! I called SanDisk and, sure enough, the serial # confirmed that it wasn't one of theirs. Fortunately American Express is taking care of me.

SO... if you buy an SD card don't just see if it works; check the data transfer rates right away. Malicious e-merchants are probably counting on you not discovering the fraud until much later. According to SanDisk, even well-reviewed e-merchants can end up with knockoff media stock. My solution: I bought from B&H, a discount e-merchant with an established physical store in New York.

-K

"Fool me once, shame on you. Fool me twice, shame on me."
- Chinese proverb

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Old 08-22-2006, 11:38 AM   #2 (permalink)
 
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Exclamation shit

Damn, how can I check that? I just bought a new 2Gig SanDisk card from Antonline.com through Amazon and a SanDisk Card Reader ImageMate yesterday. The price that I got it [SD Card] at seemed like a steal too, enough that now I'm supicious after reading this.

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Old 08-22-2006, 11:56 AM   #3 (permalink)
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Quote:
Originally Posted by TrippleOptics View Post
Damn, how chan I check that?
You can download the card speed testing utility separately (free) and simply tap the "Test" button. It'll rate the card performance. When interpreting the numbers, don't forget: 8 bits per byte and 1,000,000 bytes per megabyte.

-K
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Old 08-22-2006, 12:01 PM   #4 (permalink)
 
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Great, Thanks, I'm on it. Hopefully everything is all good!
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Old 08-22-2006, 01:27 PM   #5 (permalink)
 
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I ran it on the 128MB SD card I have & it passed with the following message Card Speed is Good Avoid 22KHz ADPCM
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Old 08-22-2006, 07:50 PM   #6 (permalink)
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Sounds fine. Test the 2GB card when it arrives.

-The Rube
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Old 08-23-2006, 02:44 PM   #7 (permalink)
 
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fo sho !
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Old 08-24-2006, 05:21 AM   #8 (permalink)
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Appreciate the good warning kabeyun. For what its worth, I read the other day about a lady who writes articles for a large newspaper about internet scams, and how not to get scammed. She got caught up in a phishing scheme herself!! Talk about embarrassing!!

I picked up a 2 gig ultra sandisk for my camera @ CircuitCity last Friday for $80 with two $20 rebates! $40.00 after rebates put a big ole smile on my face!!
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Old 08-24-2006, 09:11 AM   #9 (permalink)
 
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Well... last night I received my 2GB SD SanDisk card, I checked it and the test result is EXCELLENT, I love it! I got it from Amazon for 40.96 shipped... thanks again!
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Old 08-24-2006, 10:32 AM   #10 (permalink)
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Quote:
Originally Posted by TrippleOptics View Post
Well... last night I received my 2GB SD SanDisk card, I checked it and the test result is EXCELLENT, I love it! I got it from Amazon for 40.96 shipped... thanks again!
Good deal. Is it an Ultra or one of the plain blue SD cards?
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