Sandisk 4GB Extreme III Compact Flash Card

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I used the card with my Canon Rebel xti, at 4GB, it was possible for me to shoot about 1500 pictures at the highest format. Stores quickly, no delay at all. I am very satisfied with the overall performance.

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I use the uncompressed RAW digital format, rather than the compressed JPEG format, for storing digital images on the CF card in my Canon 40D digital camera. This gives me much more control over all the image adjustments when I edit the images, as opposed to the JPEG format where the camera makes many image adjustments prior to compressing the file. The downside to this is that images in RAW format are about 2 to 3 times larger than the same image in JPEG format. Which, of course, means that I need a lot of in-camera storage space for my digital images. However, I don't like to use CF cards larger than 4 GB, because if I lose or damage a CF card I will lose a lot more images with the larger size cards. So, I carry a number of 4 GB cards with me when I'm shooting. And, it's not like you have to stop all that often to change CF cards ... even a 4 GB card holds a lot of images. Also, there is the cost factor. Buying larger cards usually ends up being more expensive (sometimes a great deal more expensive) than buying a number of smaller capacity cards which, in total, equal the capacity of the one larger card. Also, you will find significant price differences for the same brand and same capacity cards depending on their specified write speed. For instance, a 4 GB SanDisk Extreme III CF card, with a specified 30 MB/s write speed, is about half the cost of a 4 GB SanDisk Extreme IV card with a specified write speed of 40 MB/s. "Specified" is the key word, because, the actual write speed depends on the particular camera that the card is used in, and it is almost always much less than the specified write speed. So, is the faster speed of an Extreme IV card worth the extra cost compared to an Extreme III card? Not in my opinion. And the real kicker is that either card, when installed in my Canon 40D, will write data at approximately the same speed. According to published test results, the Extreme III 30 MB/s card is a mere 2% slower than the Extreme IV 40 MB/s card when writing RAW format files in a Canon 40D digital camera. All of this is a very long-winded way of saying that I think the SanDisk Extreme III 30 MB/s 4 GB card is a terrific value!

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This card works fast enough when combined with the buffer in my D700 to avoid any gap in shooting. You can buy faster but you are throwing away your money with the latest Nikon built in technology.

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Once again SanDisk delivers the ease and reliability I've come to expect of them. These CF cards worked flawlessly on my safari trip to South Africa.

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Using in Canon EOS 50 d

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The cards always work, I even had a thumb drive that went through the lawnmower and hid in the grass for a year. After the snow melted in the spring, I found it on the yard. It still works.

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This card is a good size for most uses and it reads/writes fast. I have not had any problems so far! This price was amazing too!

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Fast loading of images taken, never fails.

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I am using this card with my Canon camera.

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I use with 5dm2 and it was plenty big enough where I didn't have to change cards mid-session. Plus you can't beat at this price. Best I found after price shopping.

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I find the 4 gig SanDisk Extremm III holds about the number of pictures that I like to store on one disk and I always have more if needed. The SanDisk cards that I have purchased in the past have been very durable and fast.

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Excellent capacity.

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This is my second 4GB Extreme III CF card. My first one works so well and is so reliable that I bought a second. My Canon 40D can shoot 6.5 frame per second in servo mode and this SanDisk CF card is more than fast enough to capture every image. This card has been very reliable and I've never lost a single shot. I wouldn't consider anything else.

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I got 3 of these cards for my D700 and I am more than happy with them. Even though they're not much on each card if I have my camera sets to the maximum performance, but I like it that way. In case something goes wrong I only loose that "not much" from 1 card. Planning to get me few more since I have to use my back up camera from my last job.

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The distinctive label (faceplate) color scheme/design and easily read lettering makes it easy for me to choose from my stock of San Disk CF cards whenever I go to use one, not to mention that the distinctive faceplate holds a propective new user/buyer's attention at stores and other sales outlets. Really good marketing for a really good product.