The MCST R2000, (e90), () is a 64-bit microprocessor developed by Moscow Center of SPARC Technologies (MCST) and fabricated by TSMC.

MCST R2000 Highlights implements the SPARC V9 instruction set architecture (ISA) octa-core core specifications: out-of-order, dual-issue superscalar two integer units one floating-point unit integrated memory controller integrated ccNUMA controller 2 GHz clock rate 28 nm process ~500 million transistors

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