ST-Lab 4 port PCIe SATA 1.0a Card. 2x External Ports & 2x Internal Ports - A-331
Supports SATA I and SATA II hard drives. A-330/A-340 Connectors: 2 x int SATA connectors, 2 x ext SATA connectors. A-331/A-341 Connectors: 2 x int SATA connectors, 2 x ext eSATA connectors. Supports two independent Serial ATA channels.