RAS is the difference between an SD memory card and a CompactFlash memory card?

I want to buy a memory card Canon PowerShot A630.Which should I use? What is the difference between them? I am not a professional and I am new digital photography.Thanks. Happy New Year!

Your device camera uses SD memory card and I recommend a minimum size 1 GB. Using a FAST card is a good idea because it will allow the camera works very well and also movies shooting "is really a fast card. My recommendation would be a 1 GB Sandisk Ultra II or higher memory card Extreme III SD (which are very reliable and are supplied with a lifetime warranty.) And a Happy New Year to you too! PS I love the A630!

AMIGA 600 IDE-COMPACT FLASH CARD TUTORIAL

CompactFlash? PC Card Adapter $118.98 *Read/write to CompactFlash cards via any PCMCIA card slot *68-pin adapter meets PC card interface specifications *Compatible with Ultra CompactFlash *Use your memory card like a removable disk on any computer or notebook with a PCMCIA card slot *1 year warranty…

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256MB CompactFlash Card $22.99 Edge Memory (Peripheral Enhancements) 256MB Premium Compact Flash Card. Non retail packaged….

45x Elite Pro Series 4GB CompactFlash® Card $161.95 45x Elite Pro Series 4GB CompactFlash® Card…

32GB Elite Pro Series High-Performance CompactFlash« Memory Card per mfr: Kingston Designed for advanced amateur/professional photographersData transfer rates up to 20MBps read and up to 25MBps writeAutosleep mode preserves system battery32GB L 4.5000 W 4.0000 H .0500 This item cannot be shipped to APO/FPO addresses.  Please accept our apologies…

Memorex 16 MB CompactFlash Card $19.99 Alkaline Batteries D 2 Pack…

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Kingston 4 GB CompactFlash Memory Card CF/4GB $8.65 Kingston’s standard 4 GB CompactFlash is for everyday use of digital cameras, PDAs, and MP3 players. This standard card is the perfect solution for additional storage on such devices. One of the world’s most popular digital mass-storage devices, CompactFlash memory cards from Kingston bridge the gap between storage requirements and affordability. Users of digital cameras, PDAs, and other digital …

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Transcend TS32GCF600 CompactFlash (CF) Card 32 GB – 600x To meet the photographer Daren and professional players on the growing performance requirements of memory cards, Transcend’s 600X Speed CF memory card launched. The products are amazing 92MB and 87MB per second write speed, so that high-performance digital SLR camera to play to the extreme, and to meet the high-speed continuous shooting with continuous recording of the stringent requirements, the…