Intel Software Defined Silicon (SDSi). The technology is designed for future Intel Xeon processors and allows you to activate additional features of the processor after it is installed in the server.

The principle of operation of Intel Software Defined Silicon (SDSi) is that after purchasing a Xeon processor of a certain model, the user will have the opportunity in the future, if necessary, to unlock more advanced features, usually inherent in higher-class chips, for an additional fee.

At the moment, there are no details about SDSi. However, the mechanism can be as much about unlocking hardware features, such as increasing the amount of processor cache, increasing the frequency of operation, the number of active cores, or the amount of memory supported, as well as software features, such as activating special acceleration algorithms designed for new workloads, or connecting additional sets of instructions.

It is assumed that the first Intel processors to receive support for the Software Defined Silicon mechanism will be the upcoming server Xeon Scalable 4th generation (Sapphire Rapids).

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