More Alphabet Soup – SDXC The Latest In Memory Cards
The SD Card Association has announced the latest generation of SD standards – SDXC, for Secure Digital eXtended Capacity. This takes SD beyond SDHC (High Capacity) to two terabytes (2TB) and read-write speeds of up to 104 megabytes per second, with growth planned to 300 megabytes per second. This is a capacity and interface specification, which is a layer on top of the physical specifications. So we had SD, miniSD, and microSD, and then with SDHC came SDHC, miniSDHC, and microSDHC, so now I fully expect we’ll have SDXC, miniSDXC, and microSDXC. Oh, and of course SDIO is still around for device connections, which will also benefit from SDXC’s higher interface speeds.
Clear as mud?
Short version – the cards will hold more and respond quicker. Of course, you’ll need new devices with SDXC support to take advantage of the new capabilities.
I do have to stop for a moment and just hold one of my SD cards and stare at it and think of something like that holding 2TB – and how my first hard drive was huge and held 40MB, 80MB with Stacker! (Hands up if you remember Stacker.)
Press release:
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