Deep space is still running on early-2000s silicon.
ICE is the reference design of a general-purpose on-board computer built on the Microchip PIC64-HPSC, a 64-bit multicore RISC-V high-performance spaceflight processor, in a 6U form factor, running GeminiX-OS-Space. An ESA GSTP activity.
NEAT / ICE / PRELIMINARY ARCHITECTURE