RTL9303-CG - Realtek

Description: Hardware Interface  160Gbps switch capacity  Flexible interfaces for internal or external CPU; either one can be enabled  Port 28 SGMII interface or Port 27 10G-R/ USXGMII/ HISGMII/ 1000BASE-X/SGMII interface for external CPU  Supports SPI interface for external CPU to access internal register  Maximum 64 Mbyte SPI NOR Flash or 512MB SPI NAND Flash and maximum 1GB DDR3 SDRAMs for internal MIPS-34Kc