![]() They were first introduced by Sandisk in 1994 and were widely used, but now they are usually only found in the most advanced DSLRs. CompactFlash (CF) Memory Cards:ĬompactFlash (CF) cards offer very high storage capacities and fast processing times. Currently Linux, Windows 7, Mac OSX (Snow Leopard) and some earlier versions of Microsoft Windows are compatible. Computers also need to be able to read the exFAT filesystem to be compatible with SDXC. Similar to SDHC, in that an SDXC fits in a normal SD slot – but your camera may not be able to recognise this newer technology, so always check in advance. These have a maximum capacity of 2TB (Terabytes). These are SD cards but with a much higher capacity and faster processing speeds. SDXC (Secure Digital ‘Xtra Capacity’) Memory Cards: Though your camera may fit a SDHC, be careful because if the camera was made before SDHC came along it may not recognise it. They are identical in shape and size, but they are different media types. Original SD cards only went up to 2GB, so SDHC was invented with a maximum capacity of 32GB. These are SD memory cards but with a higher capacity. SDHC (Secure Digital High Capacity) Memory Cards: They are compatible with the majority of digital cameras. SD cards are by far the most common type of memory card. ![]() Types of Memory Cards: SD (Secure Digital) Memory Cards: The difference, however, is that the cheaper card may do it much more slowly, be less reliable, have fewer backup measures, different components, and, in terms of memory card data recovery, may not be such a wise choice if things go wrong and your images go missing. The memory card market does sometimes seem overcomplicated, but if there’s one thing you need to remember from this article then it’s this: image quality is completely unaffected by your choice of memory card.Ī £5 SD card from a supermarket will give you the same results as using the latest generation of card from Lexar, SanDisk or Samsung. Not sure what the difference is between a £50 Class 2 SD and a £450 Class 10 SDHC memory card? We’ve split them up into their categories and broken down the speed jargon by translating it into real speed ratings so you can decide if a certain memory card is worth the extra money. ![]()
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