In store only, save another $30 with motherboard purchase.
http://www.microcenter.com/product/486088/Core_i7-8700K_Coffee_Lake_37_GHz_LGA_1151_Boxed_Processor
http://www.microcenter.com/product/486088/Core_i7-8700K_Coffee_Lake_37_GHz_LGA_1151_Boxed_Processor