SYS-2028R-C1R4_Published 30th January 2016 at dimensions 261 × 222 in Supermicro SuperServer SYS-2028R-C1R4+. https://i0.wp.com/sirpower.com.np/wp-content/uploads/2016/01/SYS-2028R-C1R4_.jpg?fit=261%2C222&ssl=1