This is for unit and power supply only.

CPU - Intel® Celeron® Processor J3455 1.50GHz (2M Cache, up to 2.30 GHz)

8GB DDR3L Ram @1866 Mhz

256gb samsung pro ssd ( No Operating system is installed)

reason for sale is because it is not used anymore. 

has a blemish and some normal wear and tear cosmetic flaws being a used item.

Further specs that can be found - https://www.intel.com/content/www/us/en/products/sku/95078/intel-nuc-kit-nuc6cays/specifications.html