How many megabytes in a ronnabyte? Discover the 4 new prefixes of the international system!

At home, all this is hardly useful, but in the data centers of the largest IT companies, even the yottabyte (1024) is no longer sufficient. The prefix was put in place in 1991 and it was probably not thought that 30 years later it would be almost outdated.

On November 18, representatives from different countries around the world met at the General Conference on Weights and Measures (CGPM), which was held not far from Paris. The votes of these representatives led to the standardization of new prefixes and to the shelving of the informal hellaoctet and brontooctet, which never took root.

Beyond yottaoctet, it is therefore now possible to speak of ronnaoctet (1027) and quetabyte (1030). To try to figure out what this last prefix means, imagine that an SSD with 1 quetabyte of data can store 1 billion billion terabytes… Yeah, not sure that really means more!

The CGPM does not only look at these monstrously large prefixes and alongside the standardization of ronna and queta, there has also been talk of the infinitely small. So fronto (10-27) and quecto (10-30) have come to complete a range whose previous update also dates back to 1991.

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