"Каталог Модуль процессора МП21". katalog-rek.ru. 2024-12-11. Retrieved 2024-12-14. - The MP21 module based on the Elbrus-2S3 processor is implemented in the Com Express Type 6 Compact form factor (95×95 mm). The module is a "computer on a module" - an embedded industrial module manufactured in accordance with the international standard for use as a mezzanine installed on specialized carrier boards. Recommended retail price RUB 245,700 (without VAT).