NX 2206 Series.
Processors without SSSE3 are NOT SUPPORTED!

Siemens NX is a leading CAD/CAM/CAE system built on the best technologies designed to create products of any complexity. The main objective of the system is ultimately to reduce the cost of creating a product, improve its quality and reduce the time to market. This enables companies to quickly return the investment spent on the purchase and implementation of Unigraphics. Unigraphics has a strong position in Russia due to the wide possibilities of using the system in various industries (aerospace, engine building, automotive, mechanical engineering, etc.) and the use of modern technologies that provide the user with advanced MCAD solutions at all stages of product creation.

https://www.plm.automation.siemens.com/global/en/