Sandisk 4GB Extreme IV CompactFlash Memory Card
Sandisk
- SDCFX4-4096-901
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4gb
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Reviews
(7)
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With fast shooting high mega pixel DSLR cameras, the CF card can be a major performance factor. Write speeds, capacity, and power consumption all have an impact. This card also has a wider temperature range, is impact resistant, and includes recovery software. Why purchase an expensive digital camera only to use a card that cannot keep up?
The Extreme IV cards read/write with a 40 MB/sec sequential read/write speed. These fast write speeds are desirable with large image files especially when uploading to a computer. DSLR cameras often have a buffer which holds images while writing to the card during continuous shots. At some point the card cannot write fast enough, preventing the camera from shooting until the buffer clears enough room for another image. In these cases the camera cannot write as fast as the card, the quick speeds may only be noticeable while uploading images to your computer.
As CF cards continue to decrease in price, they increase capacity. 1GB cards are inexpensive
The Extreme IV cards read/write with a 40 MB/sec sequential read/write speed. These fast write speeds are desirable with large image files especially when uploading to a computer. DSLR cameras often have a buffer which holds images while writing to the card during continuous shots. At some point the card cannot write fast enough, preventing the camera from shooting until the buffer clears enough room for another image. In these cases the camera cannot write as fast as the card, the quick speeds may only be noticeable while uploading images to your computer.
As CF cards continue to decrease in price, they increase capacity. 1GB cards are inexpensive
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the extreme IV on a d300 with the battery grip is perhaps too fast of a combination. it makes the camera spit out captures like a cobra. if you don't need this level of performance, have a camera with a lower frame rate and a smaller buffer, an extreme IV is overkill. other than that it's a great card, very reliable so far. 4 stars since it's still a bit pricey. no real difference between this and lexar's UDMA 300x, so get whichever one's cheaper.
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"Data Error" on my DSLR is not something which I like to see when I take photos. I bought the 4GB card almost 6 months back and might have taken 1000 or more pics. I get this error now and the acrd is not accessible.
I am learning my lesson now. Do not buy cheap cards if you are a serious user.
I am learning my lesson now. Do not buy cheap cards if you are a serious user.
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This thing is awsome! With my 40D I have shot at 6.5 fps 170 frames in a row! The card is increadibly fast! No complaints.SanDisk 4 GB Extreme IV CompactFlash Card ( SDCFX4-4096-901 )
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I have used many cards with my D200; mostly the 2GB Extreme III version of this card. These are my first Extreme IV series cards in 4GB. My expectations for this card ran something like, same performance as my 2GB cards, maybe a little faster on computer downloads. I was not disapointed.
One interesting little bonus has shown up with these cards and my D200. While shooting on a long trip across Glacier National Park I averaged 700 shots per battery when using these cards. While using the older and slower cards I averaged 400 shots per card. I have shot thousands and thousands of pictures with my 2GB cards and I average between 400 and 500 per battery charge consistantly. This is the first time I have seen 700+ from a single charge on my D200. More shoots are required to establish the actual performance difference but so far there has been a noticable reduction in battery use with this card and the D200.
One interesting little bonus has shown up with these cards and my D200. While shooting on a long trip across Glacier National Park I averaged 700 shots per battery when using these cards. While using the older and slower cards I averaged 400 shots per card. I have shot thousands and thousands of pictures with my 2GB cards and I average between 400 and 500 per battery charge consistantly. This is the first time I have seen 700+ from a single charge on my D200. More shoots are required to establish the actual performance difference but so far there has been a noticable reduction in battery use with this card and the D200.
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Twice as fast as the Extreme III.... you'll need the fast, firewire reader from Sandisk to achieve that, though... these robust cards last many years, get the fastest so they will work in your future cameras! It comes with a CD containing RECOVERY software should you screw up. What a great price! Holds 247 RAW images from the Nikon D200 or THOUSANDS in .JPEG form.
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This product met all my expectations and more. The fireware reader is necessary though. The reader increases read speed by at least 5 times. Amazing speed with this card.
