SanDisk Extreme CompactFlash up to 60MB/sec read/write speeds and UDMA enabled. Extreme technology with SanDisk's Power Core Controller and Enhanced Super-Parallel Processing "ESP" were invented by SanDisk to increase the card's performance level. These cards are designed to deliver top performance in CompactFlash cameras.
| 30 of 30 people found the following review helpful:  Superb, even works with the Canon 20D, By Amazon Verified Purchase Short story: the card is superb. If you are thinking of buying it, don't hesitate. Long story: Capacity is just shy of 30GB due to overhead. It it is v e r y fast; your camera will be the bottleneck, not this card! I tested in in 2 cameras: a newer Canon and an older Canon 20D. To my surprise, the large capacity works well with older cameras! Used with new cameras, there's nothing to know other than it is fast and works as expected. Thus, the remainder of this review will be from the standpoint of the older Canon 20D. I had been using an 4 year old Lexar Pro 8GB 133x WA (back then, fast and high tech & costly). The performance of the 20D has actually been greatly improved using this card. To the point, I would recommend upgrading to any brand of 400x card even if you don't need the storage. There are no negative surprises but a few caveats to know for large cards in older cameras... If you use large cards in older cameras, follow one simple... Read more 20 of 20 people found the following review helpful: Good price point if you need a fast 8gb CF card., By Amazon Verified Purchase I'm using this CF card with my Canon 40D. Previously I was using 4gb Lexar 300x cards, (equivalent to about 45mb/sec) which also work just fine, but they're only 4gb each. I found myself wanting more memory and a 3rd card to go between my two camera bodies (other is a rebel xti). There's nothing at all wrong with this CF card, it works just perfectly. Not even a hiccup. So that's good. I was hoping to be able to take much longer continuous sequences of photos on the 40D at 6.5 frames/sec. With the Lexar 300x cards I was able to get 15 consecutive images at full resolution raw+jpg before the camera's image buffer filled up. With this card I was disappointed to find that number only rose to 17. I later looked up the stats on the 40D and found that 17 consecutive full res images was the maximum the camera can do anyway, so I know the card is faster than the camera. If I was to get a faster card it wouldn't help me at all. So, unless you really... Read more 10 of 10 people found the following review helpful: Save your money if you don't have a Canon 7D or 1D IV, By David Alexander (Atlanta, GA) - See all my reviews SanDisk Extreme 60 MB/s 16GB (400X) 17 RAW, 17 seconds to clear SanDisk Extreme III 30 MB/s 8GB (200X) 18 RAW, 17 seconds to clear Lexar 133X Pro 1GB 20 RAW, 16 seconds to clear Kingston Ultimate 133X 4 GB 19 RAW, 21 seconds to clear Kingston High Speed 1024 MB 18 RAW, 37 seconds to clear For this circa-2008 DSLR, no card over 133X improves write speeds. No benefit was expected; cameras of this vintage max out at about 12 MB/s. All but two of the current crop of Canon and Nikon DSLRs perform at near full speed with a 200X (30 MB/s) card. These cameras reach 35 MB/s at best, so a 400X (60 MB/s) card offers only slight improvements, if any. Canon's 7D and 1D IV, both capable of 60 MB/s or more, will clear the buffer as much as twice as fast with a 400X card... Read more |
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