ASUS RS700-E9 Series4-2320. Serial General Purpose Input/Output connector (6-1 pin SSGPIO1)The SSGPIO 1 connector is used for the Intel Rapid Storage Technology EnterpriseSGPIO interface that controls the LED pattern generation, device information, andgeneral purpose data.19. VROC_KEY connector (4-pin VROC_KEY)This connector allows you to connect a KEY module to support Intel VMD RAIDfunction.