The new size for the little ones
Many owners of mobile devices to wait for a cheap 16-gigabyte SD memory cards or hope to models with 32 gigabytes, the recent Maxium. But already a new standard in sight, favors all had gone before them.
The SD Association, the guardian of standards for the smallest memory cards, presented at the CES electronics show, the new key data for SD, miniSD and microSD media. SDXC is the new interface and it will offer two things: more speed and more memory.
Up to 2 terabytes, or about 2000 gigabytes, should start to be possible, the smallest representatives at 64 gigabytes. As far as capacity needs a fast data transfer. This is to go with pace, which is about those of modern hard drives with very fast AnschlüssenIn figures this means: The first 64-gigabyte media create theoretical 105 megabytes per second, then it should be up to 300 megabytes per second. The latter corresponds to the standard of modern SATAII hard drives and eSATA connection. This is, however, gross, in practice due to technical limitations far less speed is reached. By comparison, USB 2.0 Media currently provide 20 to 30 megabytes per second - no matter whether a USB stick or external hard drive. equivalent.
All this is according to information provided by the IT magazine heise achieve in 2009 the retail start, really, but it is only in 2010. The prices there are still no information, but can be a rejection for the owners of current devices with SD memory slot: Old equipment may not be upgradeable to the new standard.
Whether and how quickly reach the hitherto possible 32 gigabytes or in conventional SD memory devices on the market is uncertain. Currently, just achieve maps with 16 gigabytes a certain distribution and affordable regions. For a corresponding SD card, currently around € 20 will be due, microSD cards start at around € 45. Representatives for the faster (faster than Class 2) must be taken deeper into their pockets - if they are available then.
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