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Memory cards keep getting faster, higher capacity, and less expensive. The latest generation from Sandisk are theExtreme IVseries, along with matching high-speed Extreme card reader. Extreme IV CF cards are available in 2GB, 4GB and 8GB sizes, and the new high speed reader is available in Firewire 400/800, and USB 2 configurations.
I was curious to know whether or not these cards were indeed faster than the Extreme III cards that I regularly use, and also if the new reader would show a marked speed increase. My testing included all three sizes of the new IV series cards, and a 4Gb Extreme III series was my point of comparison. The card reader which I have been using for the past couple of years, a Microtech Firewire 400 device, was my reference. The new high speed reader was tested on both Firewire 400 and 800.
My test directory contained 85 raw files totaling 2.2GB.
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Type III Cards Vs: Type IV Cards using the Extr...

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Michael Reichmann is the founder of the Luminous Landscape. Michael passed away in May 2016. Since its inception in 1999 LuLa has become the world's largest site devoted to the art, craft, and technology of photography. Each month more than one million people from every country on the globe visit LuLa.
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