Syba SY-PEX40016 5 Port SATA II Port Multiplier RAID 0/1 / 3/5 / 1+0 Card Components Green JMB393 is a self-contained storage processor chip which completely frees up the main CPU loading External Dip Switch for Easy RAID Configuration Provides SATA Port Expansion, Data Protection and Performance Supports 5-port 3.0 Gbps SATA II Interface Supports SATA II Gen2i and Gen2m