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 SanDisk Extreme III CompactFlash 40 GB Memory Card GENUINE  US $19.71
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 SanDisk SDCFX3 1024 901 1 GB Extreme III CompactFlash Card US $5.50
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 Sandisk 4GB Extreme III CompactFlash CF Card US $9.50
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 Sandisk 16GB Extreme III 30MB s CompactFlash CF Card US $33.99
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 San Disk Extreme III 512MB Compact Flash Card US $2.01
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 SANDISK EXTREME III COMPACTFLASH CARD 4GB US $19.95
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 SanDisk Extreme III 20GB CompactFlash Pre Owned US $4.25
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 SanDisk Extreme III 8GB 30MB s Compact Flash CF US $16.55
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 ONE Sandisk Extreme III 2GB CF Card Compact flash US $16.99
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 SanDisk Extreme III Compact Flash 2GB US $4.25
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 4GB Sandisk Compact Flash CF Memory Card Extreme III US $34.50
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 4GB Sandisk Compact Flash CF Memory Card Extreme III US $.99
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Genuine or Fake Compact Flash Card?
I want to buy a Sandisk 4GB Extreme III Compactflash Card. On ebay and a few places on google they are around 100 pounds, but jessops are selling for twice that. I have read that there are many places selling fake CF cards, taking slow, budget 4GB cards and putting these expensive Scandisk lables on them. How do i tell if i have a fake card, and hence tell my credit card or paypall to give me my money back? Is there some software that interrogates the chip in the card and tells you exactly what it is, and hence a genuine card? Thanks for any helpful advice...
Hmm... thats kind of a tough one. If you already have the card and have not done anything with it yet, check what kind of software it may or may not have already installed on it. Some of these cards come with software on them. If not put it in your camera. If you have a digital SLR, set it on continuous shooting mode, and set the image quality to raw or raw plus jpg if you have that option and snap off as many shots as you can repetitively until it stops taking pictures. This means that the buffer is full. This should also be a times operation. When the camera stops taking pictures stop the time.
Later you will be able to load all the pictured on to your computer and see how much memory was taken up by the files.
Then a little simple math and you can figure how many megabytes were taken per second.
That card should be able to write at 20 mb/ps.
See if what it is capable of matches the amount of pictures it can take before the buffer is over run.
Cheaper cards will generally have a slower write speed and you will overrun the buffer much sooner than if it was a genuine card. It will help if you have some cheaper cards to test this against.
Thats one thought however you may also want to check with a local camera store such as (Rits, Kits, Wolf camera), B&H if there is one near by.
Professional 8GB Extreme III Compact Flash CF Card non-oem from Dinodirect.com
