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SanDisk 4 GB Extreme IV CompactFlash Card ( SDCFX4-4096-901 ) | List Price: $249.99
Discount Price: $59.89
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Brand: SanDisk
Binding: Electronics
Warranty: Limited lifetime warranty
Features: - Large 4GB Capacity
- Read and write performance of 40MB/sec with ESP Technology
- Built to perform in the most extreme environments and temperatures—from -13º F to 185º F
- Durable, reliable and thoroughly tested—temperature tested (heat and cold); shock and vibration tested (industrial-grade RTV included for CompactFlash)
- Priority toll-free technical support
Good card, good price [Posted on 2008-06-30]
I shoot in raw with a Sony A700. File size is 18+ MB at 5 frames a sec. I have had no problems. The card also uploaded over 3 GB in under 3 minutes. I will buy this card or a larger one in the future.
Fast and cost-effective [Posted on 2008-08-03]
Best bang for your buck as far as writing speed and memory are concerned,especially while the rebates last.
My 4GB San Disk [Posted on 2008-08-17]
So far, so good. I have just started using it and already have seen the difference. I put it in my mega bucks camera (which I stopped using) and voila!The San Disk 4 GB, made it all happed. The camera started performing like a camera should. Not so with the other memory chips.
Thank you
The Best [Posted on 2008-08-25]
When I first went to digital I tried several different cards, after about a year Every card besides SanDisk had errored. I have the Cannon EOS family of cameras that shoots between 8 and 21 megapixels, and have used the cards in all conditions from sand to extreme cold and have never had a problem. But they may all blow up tomorrow.SanDisk 4 GB Extreme IV CompactFlash Card ( SDCFX4-4096-901 )
Fast Card but Worth the Extra Cost? [Posted on 2008-09-01]
I purchased this card in the hope that it would allow more shots to be taken in burst mode. I set up a Nikon D300 to shoot continuous mode, raw format, 12 bit depth, 1/500 second, f4 with auto ISO off, manual focus and made shots with Extreme IV, Extreme II 8 GB and Ultra II 4 GB cards. I made shots until the camera buffer filled and the shot rate paused. The Extreme IV allowed 19 shots, the Extreme III 18 and the Ultra II 16. I repeated the test 5 times with each card and got the same results. The only thing I found that affected the number of shots was file size. Dark subjects can be compressed more and as a consequence the buffer can hold more shots before the shot rate slows.
I used a SanDisk imagemate card reader to upload 200 shots to my computer from each of the cards. The Ultra II took 5 minutes 20 sec, the Extreme II took 4 minutes 5 seconds and the Extreme IV took 3 minutes 50 seconds. My card reader may not be fast enough to take full advantage of the Extreme IV read rate.
For me the additional one shot in continuous mode is not worth the price differential between Extreme III and IV. For ordinary shooting that doesn't involve continuous shooting in RAW mode, the Ultra II is good enough for me.
I have never had a problem with SanDisk cards the Extreme IV does come with recovery software. In my opinion it comes down to a question of whether or not the extra performance is worth the price differential.
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