Wednesday, June 9, 2021

New NVMe spec brings new support for hard drives

The new NVM Express 2.0 has been released and with it a surprise: The non-volatile memory express protocol—best known for handling SSD speeds—is now offering full-blown support for traditional hard-disk drives.

This is quite unexpected because SSDs are orders of magnitude faster than traditional HDDs.

The first flash-based SSDs used SATA/SAS physical interfaces borrowed from existing hard drive-based enterprise server/ storage systems. However, none of these interfaces and protocols were designed for high-speed storage media and the SATA/SAS bus became a bottleneck for the much faster SSD.

To read this article in full, please click here

Thanks to Andy Patrizio (see source)

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